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Post by Dave on Nov 8, 2017 14:58:23 GMT -5
Will high strength silicone 2 adhere to cured high strength silicone 2 If you didn’t have enough to finish the mold
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Post by notoes on Nov 9, 2017 7:42:35 GMT -5
Yes it will. Silicon of any kind will stick to any other silicon unless you use a mold release of some sort. I've got molds of three different kinds of silicon that I've poured/added at different times that all stick together as one except the spots I put mold release on. I've use High Strength 3 where I ran out on one pour and added more later on that stuck to the previous pour with no problem.
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Post by carol - Alumilite Corp on Nov 9, 2017 7:59:43 GMT -5
Absolutely right Notoes. Silicone wants to and will stick/bond to itself unless some kind of rubber to rubber mold release is applied. Make sure there has not been an over spray of release or anything oil on the cured silicone to prevent adhesion. The resin (polyurethanes) bond to everything but silicone, that is why they work so well together as molds and casting medium.
Have a wonderful day.
Carol
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