 Bubble Buster is a PVA mixture to reduce bubble formation when making your mold. Comes in a 4oz spray bottle
To use: spray your original part with Bubble Buster after applying a mold release. Pour ComposiMold over your original part to make your mold.
Bubble Buster works by reducing the surface tension so bubbles do not stick to your master. $6.99 |  Mold release for Urethane Casting Materials and ComposiMold. This silicone mold release is designed specifically for use with urethane casting materials such as ComposiCast.
Comes in a 10.5 oz spray can.
Due to the flammability, the mold release must be shipped ground, typically UPS and cannot be shipped Internationally. $16.75 |