ComposiMold's Bubble Buster 4oz
Bubble Buster is a PVA mixture to reduce bubble formation when making your mold. Comes in a 4oz spray bottleTo 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.