Bubble Buster is a PVA mixture to reduce bubble formation when making your mold.
Bubble Buster is a PVA mixture to reduce bubble formation when making your mold. Comes in a 6oz and 16 oz spray bottle To use: spray a generous amount of bubble buster on your original part after applying a mold release. Pour Composi-Mold over your original part to make your mold. Bubble Buster works by reducing the surface tension so bubbles do not stick to your master.
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