Thank u so much for getting right to the point without blah blahing a books worth of your life story and nonsense like almost every other video on this topic!
Thanks, Randy. This was a really useful tip from my scrap yard. I also just recently learned that you can use bleach to confirm for silver! I guess I should have paid more attention in chemistry class!! LOL!!! Thanks for watching.
This is so helpful. Thank you. So many videos that supposedly explain this are not clear. Thanks for also telling how to get the spray, a thing very often left out of most videos.
Good tips in this video! .35 cent for die cast a lb & .18 -.28 cents for cast alum (depending on the yard 6/4/20. Thanks. Looking forward to seeing more! .
Hey buddy, great video!! By far the best technique I've seen for telling these metals apart!! Wish I found this video a couple years ago!! God only knows how much money I gave to the scrapyard by mixing metals... Thank you for sharing the knowledge!!
You are welcome. Anytime we can make more money or make our jobs easier, it's info worth sharing!! Thanks for watching. Merry Christmas and a Prosperous New Year to you!!
Oh dear! your button was red! I fixed that now 😋 this is very good info, I was aware of the vinegar trick. I think it is the Zinc in the alloy that reacts with the chemicals. Zinc also makes the alloy heavier, and lowers the melting point (I melt most of the metals I find into ingots) magnesium is somewhat dangerous to heat up so I definitely keep that separate. I'll be watching more of your stuff 👍👊
I appreciate that, Ralph! 👍 I also thought I was subbed to you, fixed that as well. Loved the owls you did! ❤️ Still learning this whole TH-cam experience. Got a special vid coming up next weekend!! 👍
I've been scrapping most of my life, and I even get fooled from time to time. Soon I will update this video with the reaction to magnesium, too. Thanks for watching! 👍
that is a good way to tell I need to get me a few new spray bottles, I have the zep from a few years back I was making copper electroformed rings and things. a lot of scrappers don't know that
Glad you found it helpful. Generally, fan motor ends are cast aluminum, but as I stated in the video, I still get fooled occasionally after 30 years!! This will also give you good leverage if the yard tries to downgrade you. 👍
Thank buddy . I think think this was a hold back for me doing my own die castings . I was having some reservations for telling the metals apart. Done lots of lost foam with alu but zink would be fun and easy ( with a few safty precautions )
I wish I had seen this a week ago. I did my best identifying but this is simple and accurate. I dont scrap all of the time. It usually takes me a year or two to get a good load of cast/ diecast. Now I dont have to guess. Thank you.
Hey Roger, thanks for putting this up.👍🏻 It's hard to believe that kids nowadays under 30, have things like the internet and TH-cam, to help them figure out things like this... I know that, well for me anyway, the things I had to figure out by trial & error, or any other way....ouff, it hurts the head 😂 I've spent a lot of time in scrapyards for someone who doesn't own one myself, it must be nice, eh? Thanks again Bud🙏🏻
Appreciate that! Yes, I will work on some more basic videos. It will be a lot easier now with the Go Pro! Feel free to offer any suggestions that you are looking for! Thanks for watching.
I took a big pile of die cast to the scrap yard a while back and said i got some die cast and the guy at the scale said no you got cast aluminum . Never argue with the scale man!!!!!!!!!!!!!!!!!!!
Very true. Some yards take it as cast aluminum. Sometimes the guy doing the grading just doesn't know what he is doing. Several years back, one of my yards was buying die cast and calling it yellow brass!!! 😳🤑
Many thanks my friend, I currently have two barrels of what I thought was cast, but I did not know why some bits are heavy, guess I will have to go through both barrels prior to selling, oh well if I get it right now I may be better of at the yard, so thanks again from Ken in Australia.
You are welcome, Ken! I've been at this for over 30 years now and I still get fooled occasionally! I really need to update this video now that I have some magnesium and show the bubbling reaction it has with the solution! Thanks for watching from down under, mate!
Hi. I have been following you for a little while and enjoy your vids. I have a question that you may help me with. On your vid (How to tell the difference between cast aluminum, die cast, and magnesium.) Are you saying that if it turns black it is Zinc? And if it doesen't, it is alum. Thank you And I would like any info on this or where I can find it. Keep up the vids. Excellent! Gene.
Yes, the chemical reacts with the zinc to turn it black. If it stays silver, it is cast aluminum. Also, I need to update this video, if it is magnesium, it will bubble. My scrap yard taught me this trick. What I use is a septic root killer called Zep. You should be able to get it at any hardware store, usually in the plumbing section. The active ingredient that makes the change happen is copper sulfate. I hope this helps and thank you for watching!!
First off thank you for this great informative video. Yesterday I found a 4th reaction. I was scrapping the ends of those hoses that you find on the underside of a sink. They were non-magnetic, and when grinding a spot they did not produce Sparks nor any discernible color change. However when I added the solution the ground spot turned dandy-lion yellow. My question is do you know what this indicates, I thought I'd come to you first before doing any more research.
Yes, that would be brass. With the other metals, it tends to highlight their colors, i.e., yellow for brass, red for copper, etc. Not sure why, but supposed to give a pinkish hue for stainless. Trying to get caught up and update this video for the magnesium reaction, now that I have some. I'll try to show some of these other highlights as well. Thanks for watching! 👍
Thanks for the sub! The most common magnesium the average scrapper will come across is lawnmower decks or concrete floats. Most of the rest is usually very specialized industrial uses. If it is lightweight and looks like it has a galvanized coating on it, rather than an aluminum finish, it is likely magnesium.
great tip but i can usually tell by the weight to size ratio if it is Die cast or Cast Aluminum also to save time I use a file instead of a grinder to tell if something is copper or brass etc.
Perhaps what makes the aluminum turn black is that the ZEP (Copper Sulfate Pentahydrate) erodes tiny pores in the aluminum surface, making a bunch of "black-body cavities" which absorb light. Anodizing aluminum is similar, but uses acids and electrical currents to form the pores. Perhaps it would do the same on die-cast aluminum parts, but I expect you are referring to die-cast zinc.
Thanks, Jason. A copper color usually indicates nickel. They don't make impact guns from nickel, but it is used in the plating process. Scratch it deep and see what happens. If it is quality, it should be cast aluminum...cheaper may be die cast. Good luck. 👍
Yes and no. Die cast is a zinc/aluminum alloy. Pure zinc is very hard to come by except in specialty industrial applications. Scrap yards use the terms die cast and zinc interchangeably. Zinc is added to cast aluminum to increase it's strength and make it less brittle.
I agree with you, but that is what my yards call it. It is a zinc/aluminum alloy. Kind of the same as yards calling sheet steel/shred as "tin". It is not in fact tin. You know the old saying..."When in Rome..." 😂👍
@@cuscrapping Things are a lot different here than what I am used to. Back home we had #1 and #2 prepared, unprepared, car bodies, aluminum (dirty and clean) copper #1 and #2 (dirty and clean) Brass, lead. If I had a piece of page wire in a load, it would be rejected. here it doesn't matter.
Anytime. It amazed me how simple that was! Appreciate you watching. Been very negligent in posting lately, but got some stuff in the works very soon!! 😊👍♻️
Different aluminium alloys are used for different methods of fabrication. Die cast is injection molding under high pressures and it uses Al alloys that are very flowy (high fluidity) when molten and don't shrink as much as others. Because die cast method is used for precise and complexe pieces. Those alloys contain a lot of Copper. green sand or permanent mold casting aluminium use other types of alloys that can be stronger , those methods do not require a very flowy alloy (relatively speaking). The different alloying mix is why the copper sulfate pentahydrate (the main ingredient of ZEP) creates a reaction or not (it reacts with copper ) . Has nothing to do with the process of molding of course
I am aware of the process itself. All I am pointing out is the industry standard. Sometimes the industry standard makes absolutely NO sense at all. For example, paying more for extruded aluminum over, say MLC or sheet. Extrusion is a PROCESS of aluminum, not a GRADE. It could be a variety of grades...6061, 6063, etc., It all boils down to what does YOUR yard call it and how much do they pay.
Depends on your yard. My yards, and most yards from my TH-cam friends, cast aluminum pays a nickel to a dime more. I have heard of some yards paying more for die cast, but they're rare. Thanks for watching!!
I found some other root killer it has copper sulphate I believe in it. That was what a guy on Facebook said the root killer needed to have in it to be able to work. I was wondering if it is still the same measurement of root killer to water.
I believe so. It doesn't take much. It is just suspending the solution in the water that matters. If I haven't used mine in a while, I shake the bottle a bit to get the solution stirred up. That ratio should be good. Test it on known samples just to make sure. Thanks for watching and have a Very Happy and Prosperous New Year!! 👊🎉🎉🎉
@@cuscrapping I love scrapping and enjoy watching. Not to mention I love learning and anything I can learn on scrapping, that I don't already know, I'll jump on that in a second 👍
Does this have something do with the copper sulphate being so dilute because due to the reactivity series of metals Al, Mg and Zn are more reactive than copper and should precipitate copper, interesting 🤔
@@cuscrapping "Sulfuric acid does not react well with Al or Mg unless it's hot. It's the acid that causes the difference" - is what the guy who teaches me precious metal recovery and refining said when I asked him
Magnesium, if you scrape some fillings is flammable aluminum is not so it will act like a sparkler if you put a match to it, just wait for the sulfate burn off the match
Not sure why I wasn't alerted to your comment, Joe. Yes, I do remember that from high school chemistry class, and I have almost caught a lawnmower deck or two ablaze from grinding off bolts!! DO NOT throw water on a magnesium fire, either!!! Thanks for watching!!
"Cast aluminum" is also die cast, I gather by "die cast" you mean any other die cast metal, of which there are many. Do they all react to this solution, or only ferrous metals?
"Die Cast" is a generic term used in the scrapping/recycling industry for aluminum/zinc alloys. The solution reacts with the zinc content to turn black. Some yards will take die cast in with cast aluminum, but it will contaminate your aluminum content at the mill.
No. Muriatic acid is completely different, will put off toxic fumes and everything bubbles with muriatic acid. Muriatic acid is better left for precious metal recovery. 👍
@@cuscrapping Adding zinc to diecast aluminium makes the alloy a eutectic metal meaning a lower melting point which aids in the moulding process with lower costs.
Die cast is an alloy of aluminum and zinc. My yard pays less for it, but I have seen some other yards pay more. Die cast is cheaper and some say stronger than cast aluminum. Hope that helps. 👍
@cuscrapping It does but since others have said that zinc fumes would kill you, I guess I can cross that off my list for remelting and repurposing it. Thank you for clearing that up and giving us a great way to check this stuff. Some one told me the kids at the schools only collect the pull tabs of can as it is superior aluminum, Make sense as it shouldn't great under extreme stress of popping it. Would you know if that is true ? I want to do some casting and of course use premium feedstock.
I had "zinc poisoning" about 25 years ago cutting galvanized pipe in a commercial basement with a torch. Drinking milk is a good "remedy". Check out Ralph Mourik on TH-cam. He does a lot of zinc melting. Not sure what precautions he uses. Not sure of the purity of pop tabs. If you want pure feedstock for melting, aluminum wire is your best source! The larger power wire, not the wire from motors or transformers. I've heard it usually runs 99% pure aluminum. 👍
How red?? It tends to enhance the metal's color, so could possibly be copper? Not sure why, but stainless tends to get a slight rosy pink color from the reaction with the nickel. Only speculating, but I'll ask Darrell at my yard and see if he has run across that reaction. 👍
@@cuscrapping thanks! One more question if I may trouble you then, I dabble in home casting and I wonder which would be the stronger metal to use for a part, the cast AL or the die cast if it is only AL in with the zinc?
@@codelicious6590 No trouble at all. I'm no expert, but I believe cast aluminum is stronger. Die cast is used in a lot of the same applications, but is cheaper. I've seen several instances where a die cast part failed where a cast aluminum part wouldn't. Specifically, the exterior door handles on my old 99 Chevy truck.
I was on a job where I was cutting out a LOT of galvanized pipe with a cutting torch. Zinc poisioning is NO joke!!! I was still young, stupid and invincible back then!!
![ลองสุ่มไอโฟน 990 โกงมั้ย? [ โกงมั้ยครับ ep.101 ] | DOM](http://i.ytimg.com/vi/bfsWe0j492k/mqdefault.jpg)
Thank u so much for getting right to the point without blah blahing a books worth of your life story and nonsense like almost every other video on this topic!
Hell of a video. Really glad I saw this one. You're a wealth of knowledge sir, thank you for sharing.
Thank you!! Just passing on the knowledge. 👍 My scrap yard was the one that taught me that. 👊
Great Tip Roger. You're 30 years full of knowledge, in my eyes, that's the best way to learn is hands on. Thanks for sharing Roger!
What a great tip on checking those metals. I never knew there was so much mettalergy involved in scrapping...
Thanks, Randy. This was a really useful tip from my scrap yard. I also just recently learned that you can use bleach to confirm for silver! I guess I should have paid more attention in chemistry class!! LOL!!! Thanks for watching.
you into scrapping Randy?
Thank you for your quick response. Your comment just saved me some headaches and problems. Thank you again & keep up your great vids.
This is so helpful. Thank you. So many videos that supposedly explain this are not clear. Thanks for also telling how to get the spray, a thing very often left out of most videos.
Good tips in this video! .35 cent for die cast a lb & .18 -.28 cents for cast alum (depending on the yard 6/4/20. Thanks. Looking forward to seeing more! .
Thanks for watching! Every little extra penny helps! 😊👍
By far the most helpful video I’ve found on this topic. Thank you!!
You are welcome. It is always good to share the knowledge. 👍
Hey buddy, great video!! By far the best technique I've seen for telling these metals apart!! Wish I found this video a couple years ago!! God only knows how much money I gave to the scrapyard by mixing metals... Thank you for sharing the knowledge!!
You are welcome. Anytime we can make more money or make our jobs easier, it's info worth sharing!! Thanks for watching. Merry Christmas and a Prosperous New Year to you!!
Woke up and this one was playing. I remember seeing this when I started scrapping. Pretty cool to be able to check so cheaply and easily.
This is still my #1 viewed video with over 16,000 views. My next closest is 1,200 views!!! 😳👍
@@cuscrapping Awesome! Most people like education.
Oh dear! your button was red! I fixed that now 😋 this is very good info, I was aware of the vinegar trick. I think it is the Zinc in the alloy that reacts with the chemicals.
Zinc also makes the alloy heavier, and lowers the melting point (I melt most of the metals I find into ingots) magnesium is somewhat dangerous to heat up so I definitely keep that separate.
I'll be watching more of your stuff 👍👊
I appreciate that, Ralph! 👍 I also thought I was subbed to you, fixed that as well. Loved the owls you did! ❤️ Still learning this whole TH-cam experience. Got a special vid coming up next weekend!! 👍
Awesome! This will make sorting so much faster. Thanks for sharing!
I've been scrapping most of my life, and I even get fooled from time to time. Soon I will update this video with the reaction to magnesium, too. Thanks for watching! 👍
That is great CU, this will definitely help out. No more yard taking as breakage once you know exactly. BIG 👍
Glad I was able to help. Thanks for watching, Jerry!
that is a good way to tell I need to get me a few new spray bottles, I have the zep from a few years back I was making copper electroformed rings and things. a lot of scrappers don't know that
That's an excellent trick or tool. I made up a bottle of it and used it successfully. Thank you.
You are welcome. I need to update the video to show how it bubbles with magnesium. Thanks for watching!!
Thanks for spreading the info. That is an easy and cheap way to separate. 👍🏻👍🏻
Thank you for the video. i have fan motor ends that I have been wanting to identify, this will help tremendously.
Glad you found it helpful. Generally, fan motor ends are cast aluminum, but as I stated in the video, I still get fooled occasionally after 30 years!! This will also give you good leverage if the yard tries to downgrade you. 👍
Thank buddy . I think think this was a hold back for me doing my own die castings . I was having some reservations for telling the metals apart. Done lots of lost foam with alu but zink would be fun and easy ( with a few safty precautions )
I wish I had seen this a week ago. I did my best identifying but this is simple and accurate. I dont scrap all of the time. It usually takes me a year or two to get a good load of cast/ diecast. Now I dont have to guess. Thank you.
Thank you for watching. My scrap yard actually taught me this. I have been Scrapping for 30 years, and I still get fooled from time to time. 👍
WOw....awesome vid...you made this so easy even a 5 year can learn easily from this.
Thank you!! 👍👊
Thanks roger! That really does get right to the point. Very good information.
You are welcome. Thank you for watching! 👍
Great video I learned something new from the old scrapper!
Glad to pass on the knowledge. I actually learned it from my scrap yard.
Great video. I learned something. I see in one of your comments magnesium works with vinegar thank you for that comment also Matthews
@HHRecycling sent me over here. Thanks for the lead and awesome video and excellent info. I've been a subscriber for a while
Welcome aboard! Chris is a great guy!
Hey Roger, thanks for putting this up.👍🏻
It's hard to believe that kids nowadays under 30, have things like the internet and TH-cam, to help them figure out things like this...
I know that, well for me anyway, the things I had to figure out by trial & error, or any other way....ouff, it hurts the head 😂
I've spent a lot of time in scrapyards for someone who doesn't own one myself, it must be nice, eh?
Thanks again Bud🙏🏻
Good info. Would you do more videos on identifying metals and where a person could commonly find the metal.
Appreciate that! Yes, I will work on some more basic videos. It will be a lot easier now with the Go Pro! Feel free to offer any suggestions that you are looking for! Thanks for watching.
Yes, definitely.. I'm so ignorant to metal.. I need to be schooled.
I just found this video and it is very interesting to see how that works. Thanks for the education.
You're welcome, Kevin. I need to update it and include the magnesium reaction as well. 👍👊
I took a big pile of die cast to the scrap yard a while back and said i got some die cast and the guy at the scale said no you got cast aluminum . Never argue with the scale man!!!!!!!!!!!!!!!!!!!
Very true. Some yards take it as cast aluminum. Sometimes the guy doing the grading just doesn't know what he is doing. Several years back, one of my yards was buying die cast and calling it yellow brass!!! 😳🤑
That is good information ! What is the difference in price between the two down there?
Getting $.10 for clean cast and $.06 for diecast!! 😱😢😡
@@cuscrapping 05/26/2020 GETTING .20 FOR DIE CAST, .15 FOR CAST ALUM GREENSBORO, NC
@@MRJOHNSON16 I've seen other places get more for die cast than cast aluminum, too. Wish that was the case here!
Great tip thanks Roger!
Many thanks my friend, I currently have two barrels of what I thought was cast, but I did not know why some bits are heavy, guess I will have to go through both barrels prior to selling, oh well if I get it right now I may be better of at the yard, so thanks again from Ken in Australia.
You are welcome, Ken! I've been at this for over 30 years now and I still get fooled occasionally! I really need to update this video now that I have some magnesium and show the bubbling reaction it has with the solution! Thanks for watching from down under, mate!
nicely done, concise and what i was looking for.
Thank you. Got to give my scrap yard credit for teaching me that. 👍
That awesome to know! Thank you for the informational video brother!!
Anytime, Adam!! Knowledge is power!! 👍👊
Amen to that !!
That's handy to know. My yard doesn't care, it all goes in the aluminum bin.
Hi. I have been following you for a little while and enjoy your vids. I have a question that you may help me with.
On your vid (How to tell the difference between cast aluminum, die cast, and magnesium.)
Are you saying that if it turns black it is Zinc? And if it doesen't, it is alum. Thank you And I would like any info on this or where I can find it.
Keep up the vids. Excellent! Gene.
Yes, the chemical reacts with the zinc to turn it black. If it stays silver, it is cast aluminum. Also, I need to update this video, if it is magnesium, it will bubble. My scrap yard taught me this trick. What I use is a septic root killer called Zep. You should be able to get it at any hardware store, usually in the plumbing section. The active ingredient that makes the change happen is copper sulfate. I hope this helps and thank you for watching!!
Nice information buddy. I didn't know that trike..
Good info my guy at the scrap yard taught me. I can usually tell by sight and feel, but I still get fooled every now and then.
Great video. Awesome tip.
Sorry for the late like on your comment. I didn't get notified on it! 🙁 Thanks for watching! 👍👊
Just subbed you. GREAT information!
Thanks. Enjoy your videos, as well. 👍😊♻️
First off thank you for this great informative video. Yesterday I found a 4th reaction. I was scrapping the ends of those hoses that you find on the underside of a sink. They were non-magnetic, and when grinding a spot they did not produce Sparks nor any discernible color change. However when I added the solution the ground spot turned dandy-lion yellow. My question is do you know what this indicates, I thought I'd come to you first before doing any more research.
Yes, that would be brass. With the other metals, it tends to highlight their colors, i.e., yellow for brass, red for copper, etc. Not sure why, but supposed to give a pinkish hue for stainless. Trying to get caught up and update this video for the magnesium reaction, now that I have some. I'll try to show some of these other highlights as well. Thanks for watching! 👍
Chineseuim
Thanks for sharing Roger
Thank you for your support, Judy! ☺️👍
Good info! I sub'd. Q-where are we likely to find magnesium in our scrap?
Thanks for the sub! The most common magnesium the average scrapper will come across is lawnmower decks or concrete floats. Most of the rest is usually very specialized industrial uses. If it is lightweight and looks like it has a galvanized coating on it, rather than an aluminum finish, it is likely magnesium.
great tip but i can usually tell by the weight to size ratio if it is Die cast or Cast Aluminum
also to save time I use a file instead of a grinder to tell if something is copper or brass etc.
I can usually tell too by weight and size. Also by application (what it is used for). But I have been fooled! Thanks for watching.
I just scrape the item on concrete and hope to see some yellow or orange.
Perhaps what makes the aluminum turn black is that the ZEP (Copper Sulfate Pentahydrate) erodes tiny pores in the aluminum surface, making a bunch of "black-body cavities" which absorb light. Anodizing aluminum is similar, but uses acids and electrical currents to form the pores. Perhaps it would do the same on die-cast aluminum parts, but I expect you are referring to die-cast zinc.
Yes, Die cast zinc. It also reacts to magnesium, and I hope to have a video soon of that reaction!
Love the video thanks quick question I did this test on a impact gun and a copper color started to appear please advise
Thanks, Jason. A copper color usually indicates nickel. They don't make impact guns from nickel, but it is used in the plating process. Scratch it deep and see what happens. If it is quality, it should be cast aluminum...cheaper may be die cast. Good luck. 👍
Thanks for the info! So die cast and zinc are one and the same?
Yes and no. Die cast is a zinc/aluminum alloy. Pure zinc is very hard to come by except in specialty industrial applications. Scrap yards use the terms die cast and zinc interchangeably. Zinc is added to cast aluminum to increase it's strength and make it less brittle.
Thank you I am going to save this vid.. Great Job
Great video!!!
Thank you, Alan!
Very informative
I don't like terms like "die cast". Aluminum, zinc, copper brass, lead, pewter...etc. Are you talking about zinc?
I agree with you, but that is what my yards call it. It is a zinc/aluminum alloy. Kind of the same as yards calling sheet steel/shred as "tin". It is not in fact tin. You know the old saying..."When in Rome..." 😂👍
@@cuscrapping Things are a lot different here than what I am used to. Back home we had #1 and #2 prepared, unprepared, car bodies, aluminum (dirty and clean) copper #1 and #2 (dirty and clean) Brass, lead.
If I had a piece of page wire in a load, it would be rejected. here it doesn't matter.
Apartment Scrapper sent me over, Vinegar works just as well on testing for Magnesium.
Good to know. Thanks, Ian! Enjoy your channel as well! Working on more videos, but my smart phone is giving me fits! 😡😜
Die cast is a process nit a metal. You can die-cast aluminum, zink, brass, copper, magnesium.
Thanks for the video. Most informative.
Thank you, John. Thank you for watching!!
Thanks for sharing, great info!!
Thanks, Claudette. This is by far my most popular video with over 16K views!!! My next video is only 1.4K! 😳 Glad you liked it. 👍
@@cuscrapping Congrats Roger, that is kickass views~~wow. Good for you!!😉
That is really good info bro 👊🏻
Appreciate that. I got fooled by a piece today. Had the weight and look of die cast, hit it with the grinder and the juice...nope, cast aluminum! 👍👊
@@cuscrapping at least you know brother 👊🏻and like GI joe said knowing is half the battle 👊🏻
Awesome! finally an easy answer.. thanks man
Anytime. It amazed me how simple that was! Appreciate you watching. Been very negligent in posting lately, but got some stuff in the works very soon!! 😊👍♻️
Different aluminium alloys are used for different methods of fabrication. Die cast is injection molding under high pressures and it uses Al alloys that are very flowy (high fluidity) when molten and don't shrink as much as others. Because die cast method is used for precise and complexe pieces. Those alloys contain a lot of Copper.
green sand or permanent mold casting aluminium use other types of alloys that can be stronger , those methods do not require a very flowy alloy (relatively speaking).
The different alloying mix is why the copper sulfate pentahydrate (the main ingredient of ZEP) creates a reaction or not (it reacts with copper ) . Has nothing to do with the process of molding of course
I am aware of the process itself. All I am pointing out is the industry standard. Sometimes the industry standard makes absolutely NO sense at all. For example, paying more for extruded aluminum over, say MLC or sheet. Extrusion is a PROCESS of aluminum, not a GRADE. It could be a variety of grades...6061, 6063, etc., It all boils down to what does YOUR yard call it and how much do they pay.
@@cuscrapping oh yes, I'm merely posting information on why your test shows different results 👍
@@TheOneAndOnlySame Gotcha. 👍
Great video!
Thank you for watching. 😊👍
RAN PLAYLIST~~~18K VIEWS👏👏
Great video 🤝 I thought I had already subscribed before. I am now.
No worries, Red. Glad you're here. I'm about 700 watch hours away from monetization!! 🤞😊
@cuscrapping Cool. I enjoyed the video, very helpful. I'm going to be picking up some of that Root Kill when I get a chance. Awesome, I'll be around 😎
Awesome tip!!!
Thank you!
Question - why does the Diecast go black , is there a certain material only diecast has that reacts with the spray to turn black?
@@boris9331 Zinc is what it is reacting to. Die cast is an alloy of aluminum and zinc.
Thanks for the information😃😃😃 GREAT VIDEO
Thank you for watching!
burners of any knid would not be zinc because zinc melts a little bit hotter than lead al takes a lot of heat to melt
Great, but what's the difference between cast and die cast?
Die Cast is an alloy of aluminum and zinc. It is the zinc that turns the solution black.
Witch pays more sir? Cast aluminum? Or die cast? Thx
Depends on your yard. My yards, and most yards from my TH-cam friends, cast aluminum pays a nickel to a dime more. I have heard of some yards paying more for die cast, but they're rare. Thanks for watching!!
I found some other root killer it has copper sulphate I believe in it. That was what a guy on Facebook said the root killer needed to have in it to be able to work. I was wondering if it is still the same measurement of root killer to water.
I believe so. It doesn't take much. It is just suspending the solution in the water that matters. If I haven't used mine in a while, I shake the bottle a bit to get the solution stirred up. That ratio should be good. Test it on known samples just to make sure. Thanks for watching and have a Very Happy and Prosperous New Year!! 👊🎉🎉🎉
you can make your own with muriatic acid and copper ,look it up , makes some really cool crystal formations too
Very helpful, thank you! Cheers! 👍✌
Thank you Renn. With prices where they are now, could be a 20 cent difference in price! Thanks for watching! 👍
And thanks for the information
RAN PLAYLIST👍
Great tip, thanks👍👍
Appreciate you watching, Lenny!
@@cuscrapping I love scrapping and enjoy watching. Not to mention I love learning and anything I can learn on scrapping, that I don't already know, I'll jump on that in a second 👍
Vinegar tells you of it's alum or magnesium, alum doesn't react, magnesium does some!
Does this have something do with the copper sulphate being so dilute because due to the reactivity series of metals Al, Mg and Zn are more reactive than copper and should precipitate copper, interesting 🤔
Not sure about the chemistry. That is above my pay grade!! 😜😂 Just a trick my scrap yard showed me that works 100% of the time. 👍
@@cuscrapping "Sulfuric acid does not react well with Al or Mg unless it's hot. It's the acid that causes the difference" - is what the guy who teaches me precious metal recovery and refining said when I asked him
Just found you and that’s a great tip. 5:58
Welcome aboard, William!! My scrap yard was the one who showed me that tip and thought I'd pass it along. Hope you like my other videos as well. 👍
good tip, good video. thanks
Thanks for watching, Randy!
Magnesium, if you scrape some fillings is flammable aluminum is not so it will act like a sparkler if you put a match to it, just wait for the sulfate burn off the match
Not sure why I wasn't alerted to your comment, Joe. Yes, I do remember that from high school chemistry class, and I have almost caught a lawnmower deck or two ablaze from grinding off bolts!! DO NOT throw water on a magnesium fire, either!!! Thanks for watching!!
Thank you very much!!!
You are welcome. Thank you for watching! 👍
*Good stuff. Thanks boss!*
Thanks for watching.
Heck Yea!
Does the root killer have to be blue? Cuz i have some but it's white.
Color isn't important. It's the active ingredient...copper sulfate. If it has copper sulfate, you're good.
very helpfull , thanks for the info
Thank you. Very simple method. Thanks for watching! 👍
Are these die-cast objects Zink?
Yes, they are. Either pure zinc or a zinc/aluminum alloy.
"Cast aluminum" is also die cast, I gather by "die cast" you mean any other die cast metal, of which there are many. Do they all react to this solution, or only ferrous metals?
"Die Cast" is a generic term used in the scrapping/recycling industry for aluminum/zinc alloys. The solution reacts with the zinc content to turn black. Some yards will take die cast in with cast aluminum, but it will contaminate your aluminum content at the mill.
Awesome!! Amazing!
Can I use muratic acid instead of zep root killer
No. Muriatic acid is completely different, will put off toxic fumes and everything bubbles with muriatic acid. Muriatic acid is better left for precious metal recovery. 👍
Diecast aluminium is often alloyed with zinc.
Zinc and other metals usually, but zinc is the main additive. Supposed to add strength and durability.
@@cuscrapping Adding zinc to diecast aluminium makes the alloy a eutectic metal meaning a lower melting point which aids in the moulding process with lower costs.
Great!
What is the actual chemical ( that blue crystal) ????
Copper sulp[hate.
Wonder if something like draino would work
draino is mostly sodium hydroxide which dissolves grease. The blue solution in the spray bottle is copper sulfate, a completely different chemical.
What is the significance between diecast and cast aluminum ? Is one inferior ?
Die cast is an alloy of aluminum and zinc. My yard pays less for it, but I have seen some other yards pay more. Die cast is cheaper and some say stronger than cast aluminum. Hope that helps. 👍
@cuscrapping It does but since others have said that zinc fumes would kill you, I guess I can cross that off my list for remelting and repurposing it. Thank you for clearing that up and giving us a great way to check this stuff. Some one told me the kids at the schools only collect the pull tabs of can as it is superior aluminum, Make sense as it shouldn't great under extreme stress of popping it. Would you know if that is true ? I want to do some casting and of course use premium feedstock.
I had "zinc poisoning" about 25 years ago cutting galvanized pipe in a commercial basement with a torch. Drinking milk is a good "remedy". Check out Ralph Mourik on TH-cam. He does a lot of zinc melting. Not sure what precautions he uses. Not sure of the purity of pop tabs. If you want pure feedstock for melting, aluminum wire is your best source! The larger power wire, not the wire from motors or transformers. I've heard it usually runs 99% pure aluminum. 👍
Does anyone know if this works with liquid root kill. I’m looking to buy root kill but my local hardware store only has liquid options.
It should as long as the active ingredient is copper sulphate. 👍
good info
Thanks, Bill! Hope you are keeping cool in this weather lately!! ☀️👍
@@cuscrapping i got the truck fixed again today going to work on a load tomarrow
What if it turns reddish after you spray it?
How red?? It tends to enhance the metal's color, so could possibly be copper? Not sure why, but stainless tends to get a slight rosy pink color from the reaction with the nickel. Only speculating, but I'll ask Darrell at my yard and see if he has run across that reaction. 👍
@@cuscrapping Give me some time, I'll send a picture. The item is a valve body for propane/natural gas.
@@jimhardy7235 Sounds good. I'll look at the picture when I get it, but sounds like it could be red brass. 👍
My local scrapyard buys all cast as the same, all nonmagnetic cast is the same.
Some of them do. It depends on how the mills buy from them. 👍
So I assume that, "die cast" is not aluminum then at all? It is zinc or an alloy or what?
Correct. "Die cast" can be zinc or any of a variety of zinc/aluminum alloys. Zinc is what is reacting to the chemical. 👍
@@cuscrapping thanks! One more question if I may trouble you then, I dabble in home casting and I wonder which would be the stronger metal to use for a part, the cast AL or the die cast if it is only AL in with the zinc?
@@codelicious6590 No trouble at all. I'm no expert, but I believe cast aluminum is stronger. Die cast is used in a lot of the same applications, but is cheaper. I've seen several instances where a die cast part failed where a cast aluminum part wouldn't. Specifically, the exterior door handles on my old 99 Chevy truck.
Die cast is usually twice as heavy as cast aluminum.i smelled aluminum for years.and die cast is a lot of zinc.dont breed in the same of it.
I was on a job where I was cutting out a LOT of galvanized pipe with a cutting torch. Zinc poisioning is NO joke!!! I was still young, stupid and invincible back then!!
Only one comment even mentions price. Weird for scrappers
My buyer takes it all as cast alloy..so why bother..alloy pays better..and diecast weighs more...win win
It's about giving your buyer what they want. If your buyer takes them as the same...great.
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zinc call it zinc zamak
Hello😚😚😚
but WTF is die cast!?
Basically zinc or a zinc/aluminum alloy.