👍👍👍 It's been a while since I've had cause to use JB. When I used it on steel I first cleaned the area with Isopropyl Alcohol, then scored it with a rough file. I don't know if helped the adhesion or not. Thank you Eddie
191 is not nearly enough. But neither is 680 for many typical projects as a substitute for welding. 680 is even more problematic as it would be in a realm of strength where you-think-it-is-good but it will fail under load. This would take less than a minute to actually weld.
Great point, David. For most around-the-house repairs, I am thinking this is sufficient especially for folks who don’t have access to a welding machine. But, for repairs with higher workloads, a weld may be required for a metal repair.
You didn't braze up the surface. You didn't hit it with sandpaper or a wire wheel. I didn't see you clean it with any brake cleaner or degreaser or rubbing alcohol.
Using it on a piece of square tubing and inducing a tear where the flexibility of the tubing is a factor is not a fair measure of the claim. Had you attached the solid piece to another identical solid piece, and used an apparatus that attempts to pull them apart 180 degrees, I'm sure it would have held up to the claim. Your test is unfair and I'm sure no other manufacturer is going to answer your call for this biased test that seems designed to make it "fail the claim".
What adhesives would you like to see tested? Were you surprised by the results?
Hercules now has a drywall screw gun! Are you gonna test it out?
👍👍👍 It's been a while since I've had cause to use JB. When I used it on steel I first cleaned the area with Isopropyl Alcohol, then scored it with a rough file. I don't know if helped the adhesion or not. Thank you Eddie
Great tips. Thanks, Pete!
191 is not nearly enough. But neither is 680 for many typical projects as a substitute for welding. 680 is even more problematic as it would be in a realm of strength where you-think-it-is-good but it will fail under load. This would take less than a minute to actually weld.
Great point, David. For most around-the-house repairs, I am thinking this is sufficient especially for folks who don’t have access to a welding machine. But, for repairs with higher workloads, a weld may be required for a metal repair.
You didn't braze up the surface. You didn't hit it with sandpaper or a wire wheel. I didn't see you clean it with any brake cleaner or degreaser or rubbing alcohol.
@@mgtowlevel5293 good eye. The directions suggest that for best results but not required.
Using it on a piece of square tubing and inducing a tear where the flexibility of the tubing is a factor is not a fair measure of the claim. Had you attached the solid piece to another identical solid piece, and used an apparatus that attempts to pull them apart 180 degrees, I'm sure it would have held up to the claim.
Your test is unfair and I'm sure no other manufacturer is going to answer your call for this biased test that seems designed to make it "fail the claim".
I like the way you think. We are currently devising a true pull test while still utilizing this shear test as that might be helpful info for some.
Easy fix, just bring the support arms much closer together so it doesn’t flex.