ฝัง
- เผยแพร่เมื่อ 9 มิ.ย. 2024
- In this episode its time to make that magical mud we call slip! Watch as I transform a bag of powdered rock into a liquid pool of ceramic clay. Meet the friendly minerals that make up slip, and learn how they help (and hurt) the process! Warning: I’m no scientist (or ceramics major)
As always, put your questions in the comments and I’ll do my best to answer them. Please like (and subscribe) if you haven’t already, it means a lot to me - thank you so much for watching!
Clay body: Laguna White Stoneware S965 - แนวปฏิบัติและการใช้ชีวิต
![Yoshi Rinrada - 'มาทำไม' [Official MV]](http://i.ytimg.com/vi/r41xbfRLkLs/mqdefault.jpg)
The animation adds a lot to the delivery of the material. Time well spent. Thank you for this.
Thank you! It was fun to put together, but it did add to the production time of this episode 😅
For folks coming to his video later like I did, the Lilly Pond Big Puddle is no longer in production.
If you're looking for a mixer and pump table set up you want would be the "Mid Pumper High-Boy 33 Gal. with Mixer" which runs about 2 grand and is from the same manufacturer.
Happy casting yall and thank you Mr Tiki for all your amazing videos!
Every Tuesday with a triple-T is a great Tuesday.
Thank you!
You are inspiring me to get into ceramics after stumbling on your channel with Tiki related searches. I have watched every one of your videos! Thanks for the high value production in creating them. I'm addicted to TTT.
So glad you found me! Mahalo for watching!
Your video is sooooo clear and truly educational and every student doing ceramics needs to see this. I have been doing ceramics for years and never truly understood how all those elements affect the slip. Thank You.
Thank YOU for watching! Your comment made my day! Please share it with anyone you think would enjoy
I always look forward to your videos and you never disappoint. Loving the animations!
Thank you so much! The clay gang was fun to make
You are great! Your video served me as a great guide and your energy is beautiful and contagious, thank you for teaching me many things that I did not know today.
Thank you so much! I’m happy the video helped!
Thank you so much for the step by step process and the explanations, it is appreciated 😊
Thank YOU for watching!
What a fantastic video! I love your content so much! Even if I never make my own slip I really love knowing how it is made. Brilliant!
Thank you so much!
great tutorial, you're such a amazing man behind the slip
Thank you!
Thanks for sharing this! So interesting!
Thank you for watching!
Thanks for great information. Very educative
Thank you! Please share with any friends who you think would enjoy!
thank you for this very awesome video.
Thank YOU for watching!
That was fan-freaking-tastic! Great episode
Thank you so much!
Great video, thank you! I make my own casting slip with a drill in buckets and it sure is a heck of a lot of work. Here’s to hoping I can get a slip tank someday soon!
I’m amazed you can do it! I killed my drill trying to make slip in a bucket in my old studio
I guess the thing to check would be the "Duty Cycle" if it is listed.
It is essentially what percentage of time it can be used out of the time the job is done/an hour. So a 100% Duty Cycle motor/tool/machine etc can be used at load constantly, but some tools etc may just be rated for "bursts".
Come on now
Everybody's learning how
Come on a lignite safari with me.
You get the ideas. As usual, you make me think I'm smarter than I really am because you increase my understanding. Cheers.
Love this!! Mahalo!
This is such a good video!
I envy tour tank too much 😅😅
Thanks a lot for sharing
Thank you! The tank is a wonderful tool. I was casting for years before I felt I “deserved it” - but once I got it, I realized I should have made the purchase much sooner 😄
Thanks for this video
Cool vid! Loved it!
Lisa
Thank you for watching!
thank you this really helped me 😂👍
Thanks for watching!
Great informative video
Thank you!
Aaaaacckk!!! First time hearing this explanation of pinholes!! This SO explains why some bags of clay pinhole and some bags of clay do not. I think I need to use this emoji🤯🤯🤯
Yaaay! I should say this is one of the many things that can cause the pinholes. Another common culprit is not completely burning out all organic matter in the bisque firing.
Another fantastically well put together video. I really look forward to your videos!
Reading your description I got a video idea. Maybe an interview with a ceramics major or something answering your questions at the same time?
Thanks for watching and good idea!
amazing man, thanks a lot
Thank YOU for watching!
brilliant presentation. Already subbed and liked
Thank you so much for subscribing! It means a lot to me 🤙
Welcome back!
It was a bit of a long break!
omg using the syringe for specific gravity is sosososo smart. thank u.
Sure thing! It’s a huge time saver
I always find myself coming back to this video! Super informative, thank you! I wanted to ask if all dry slip requires additional chemicals to be added? I received terracotta dry slip from Clay king but I’m hesitant in mixing it with water only, now that I’m referring back to your video.
I suspect it will need a deflocculant at the very least. I’d give Clay King a call to be sure! I’d hate for you to mix up a big bucket of mug that settles overnight 😬
A masterclass
Woah! Thanks!
It’s like panning for gold! 😆👍🏻
😂
Your videos are absolutely mesmerizing. The amount of video editing and post production really adds to the whole experience. I feel you could have your own TV show. Can't wait to own one of your pieces!
Thank you so much!
I am so happy I found your channel - the way you explain things and organize your videos really helps!! I have been watching videos on slip casting for a whole week and I’ve learned soooo much from your videos alone!! Thank you!!!! So I bought the Laguna Clay Company slip (Oriental Pearl) - so I don’t need to add any defloccuant?? I just need to mix the slip and start casting? Sorry I just can’t find any helpful info anywhere! 🥹
Aloha! Thank you so much for watching! If you are using a prepared liquid slip from laguna, it should be good to go. You just need to mix it before pouring. I’ve never used the clay body you mention, but I did use prepared liquid S965 in buckets for years before I began mixing the dry laguna slip.
🥹 Thank you so much for replying - I messaged the company and haven’t heard anything - so I really appreciate your help!
Yay! Okay I’m feeling confident now! Thank you! (Love your videos - I’m subscribed and excited for more 👍) Mahalo!
@@cewellartstuff sure thing! Good luck!
Thank you so much for your content. It is so helpful! Approx how long do you let the darvan additions mix in before re-checking the viscosity or adding more darvan?
The deflocculant has an almost instantaneous effect on the viscosity, so if the specific gravity is good and the slip is flowing well, I wait to see how long it takes the slip to gel. When the slip sits for a while, it will gel (think of ketchup in a bottle). The goal is to make sure there is enough deflocculant to prevent gelling before you plan on draining the slip from the molds. If you need 45 minutes of dwell to build up a wall thickness that you like, let the slip you are making sit in the tank/bucket and make sure it hasn’t gelled in 45 minutes. If it has, add a bit more deflocculant to retard gelling A bit more. Hope that helps!
@@vantikistudio yes that does make sense! Working on mixing up slip today!
I really love your videos!!!! I am from Argentina i work with ceramics I make mugs and mate. Would you please be so kind to explain how does the pump that fills the molds works? when you push the botton it starts pouring? it s alwayy pumping? I would like to make one for myself and I really don t have a clue of how it works. Sorry for the long message and my bad english maybe I did not express myself correctly.Cheers!
Aloha! The slip pump is always pumping. It sucks slip from the bottom of the tank, and has a spit outlet that goes to my hand nozzle or back into the tank. When I dont push the hand nozzle trigger the slip is flowing back into the tank, and when I push the trigger the slip comes out of the hand nozzle. Hope that helps!
Great video. Trying to help my wife get full time into ceramics. What slip pouring table do you have? We’d like to make our own slip in the future.
Thanks for watching! I have a Lilly Pond Big Puddle table by Glaser Ceramics
Hey I love your videos!
Can you show us how you would do this on a smaller scale if you were to?
A home slip guide ?
Hooo that’s a tough one! You need a strong motor capable of running for several hours. I tried doing it once in a 5 gallon bucket with a cordless drill mixer and it was a disaster 😅
I have 25 gallons of slip in my tank and over time I have noticed it gels and can even thicken inside of my pump, thus I mix it once a day and pump slip through the nozzle to prevent this. Is that a sign that I need more deflocculant? Does deflocculant lose its fluidity over time to make it so you have to add more months down the road? Thank you so much for all your videos!
Good question!
It is normal for slip to gel after a period of inactivity (the whole thixotropic thing) - it fact, this helps to keep the particles in suspension. Gelling overnight is no biggie - mine does that too. I just mix it for 10 min before pouring. If I’m not casting for a while, I make sure to mix the tank and pump slip twice a week to keep things from going south. Deflocculant can become less effective through time - I know this is the case with sodium silicate - but I haven’t noticed it with Darvan (so far). Far more common is water evaporates from the slip over time - so be sure to check your specific gravity
Oooooh Georgie’s! I love Georgie’s
They are the best!
I’d love to know how you calculate how much barium carbonate and soda ash you’re wanting to add. I’m using much smaller batches and don’t know what formula to use. Off to your other videos!
Aloha! I use Laguna slip, and follow their recipe for 50LB bags of dry mix.
The one time I tried slip casting I took a block of porcelain clay and mixed it with water, haha. I'll order a bucket of premixed slip on this new project :)
I’ve done the same! It seems like it should work, right? 😂
Do you usually keep slip in the tank, or just the approximate amount you'll need to cast a project? Great Video.
I like to keep the slip from going below 12” deep in the tank. I find having any less makes the pump work harder to draw it out of the reservoir. It’s really a personal preference, I know artists who fill their tank to the max, and some who barely have any in the tank. I like to have it about half full
If we have to slipcast a really small bowl like 1.5 cm/half an inch size, because of the small size will just the clay+water work or do we have to mix soda ash and and other stuff
Hmm - if you are doing something for the first time I’d see if you can buy prepared liquid slip. Sometimes you can just buy a pint or a gallon to practice with and learn from.
Can't help but imagine Doc Brown adding deflocculant to the DeLorean 4:44 "1.21 GIGAWATTS!!!"
😂
Alton Brown of pottery. Ty
What kind of pour table is that? Did the mixer come with the table? How much slip gets stuck on the slope, on its way to the tank? Do the dried pieces get sucked up through the pump? Sorry for all the questions😊
Aloha! It comes up quick in the beginning of the video: the table is a Big Puddle slip table by Glaser Ceramics. The mixer did come with the table, and I pour most of the slip down the center so the slope isn’t used too much - in between pours I scrape the slip drips back into the tank. I try to keep dried pieces out of the tank, but if they do get in they quickly re-hydrate, and the mixer breaks them up. Thanks for the questions, I love them!
I have a commercial dry slip, but it is very crumbly after mixed. I have mixed lots of slip and this is the first time it has not had enough placisity (sp?) Any suggestions on how to make it more plastic?
Hmm. You have mixed this same slip before and not had the issues? Does it cast the same as previous batches (meaning does it build up a wall thickness in the same amount of time)?
I’d check the specific gravity to see if it has too much or too little water
@@vantikistudio I have mixed dry slip in the past with no issues, but I can't remermber if it was from the same company. The specific gravity is OK and it builds up as it should. It is only when I try to cast something with a lot of under cuts like a Christmas tree that the problem becomes evident. I have sent messages to the company but have recieved no response. I only have one 50 pound bag left and I can use it for less complicated pours, but I do like to keep dry slip on hand.
Fun video.
Using barium carbonate in the slip means that the castings aren't food-safe before they're glazed, right?
Nope - the barium content of my slip is extremely small - and after the firing and chemical reaction with the salts in the clay the amount of barium present in the clay is well below toxic levels
I'm curious about what I should ask for as I realize there is slip that's used when sculpting or throwing clay and I assume that's different than slipcasting slip. Is there a special name for it other than slipcasting slip?
Slipcasting slip is the perfect thing to call it. Here is the one I use in my studio, pre-mixed and ready to use from laguna:
www.lagunaclay.com/product-page/s965-white-stoneware
If we can not have Darvan811, what kind of deflocculant can we use? Because I am from Portugal and we don't have that kind.
You can also use sodium silicate
I noticed that you didn't mention Sodium Silicate. It's on the Laguna Clay recipe (and I can see it listed in your slip casting book). Do you not use it at all and just use more Darvan?
Correct, I’ve substituted Darvan for the Sodium Silicate. It is much less damaging to the molds.
Do you have any recommendations on where to get the Lily Pond slip tank? I have been searching online and cannot find a place to order one.
I know they are currently out of production, and most folks I know that got one recently found them on eBay, Craigslist, or FB marketplace.
Hi, is there any products that can be a substitute of the originals ? And if I find and buy to use the one you are mentioning, by any chance are they called differently? Thanks in advance.
Aloha! I know some things have substitutes (for example, I use Darvan instead of Sodium Silicate as the deflocculant), but I’m not sure - I just follow the directions for the clay I use. If you are buying a dry clay, I’d talk to the manufacturer about what recipe they suggest to make slip with.
Hello, good videos, I just saw them now, sorry. Can you tell me what is the composition of Darvan811 flocculant?
I don’t know what is in it - but you can substitute sodium silicate
I have one more question. how to make the mould with less air gaps for perfection. I kept on tapping it and shaking it but still it was bubbly
If you are molding something small you can use a soft brush to apply the first layer of plaster, or use a straw to lightly blow on the first layer of plaster to force out bubbles
@@vantikistudio Will try that and thanks so much to replying.
What if you want to use porcelain. Is the process the same?
I’d check with the manufacturer instructions to be safe. I’ve never mixed dry prepared porcelain in the studio (I purchase all my porcelain pre-mixed)
Hi, what kind of pump you are using to pour in mold?
It’s a Big Puddle slip table by Glaser ceramics.
Thank you
So this would be stoneware high fire slip?
The slip I make in this video I fire at cone 6
@@vantikistudio What temperature in celsius
Welina hou (Well that's all I know) I was on the edge of my seat! Man I so couldn't stop my self from giggling at the lignite XD Every time The Ligma joke would pop into my head XD I have been corrupted XD Noooooooo~
Mahalo! 😄
There is something satisfying about watching slip.
couldn't agree more!
Why wouldn’t you run it for an hour to make sure impurities are out?
I could - but I like to monitor the levels of the contamination. 5 minute increments give me a great snapshot of how clean the slip is.
lol
Thixatropic, thixatropic, thixatropic...
😂
Gud morning. Pls dis Austin john from Nigeria, pls i want to ask if you have Darvan 811 Deflocculant for sale and can be shipped to Nigeria?
Because hv been struggling to deflocculate my casting slip with sodium silicate an i can is nt working for me. pls if u hv it let me know or pls if u know someone who has it for sell and can be shipped to Nigeria though Amazon or UPS service pls kindly let me know thank you
Pls don't delete my massage again thank you 🙏
Hello - I don’t know about shipping to Nigeria - you’d have to contact ceramic supply companies and see what they can do do get you some Darvan. I hope you can get some, it is great stuff!
@@vantikistudioi will thank you
I need your bible☝
You can totally make your own! I think it’s the best way to do it. I made mine by scouring the internet for as many articles, discussions, and recipes I could find about slip. I printed out the best ones and they became my bible!
@@vantikistudio yes please can you give as the bible hhh please
After watching over a dozen of your videos (they are awesome)
I don't believe at all that you stopped at only 3 filterings, especially when you were still getting material screened out.
I'm guessing you continued off camera until you got no more in your sieve.
As particular as you are about details and doing things right I don't think you could sleep knowing there are still foreign particles in your slip........
I'd bet I'm right.......
Ha! I did stop there - perfection is the enemy of ever getting things done in a clay studio 😂
!!~~~