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Reduce Bubble Formation by Reducing Surface Tension
Bubble Buster is a PVA mixture that reduces bubble formation when making your mold. It works by reducing the surface tension so the bubbles rise up and away from the mold surface.
To use: Liberally spray your original part with Bubble Buster afterapplying a mold release. Pour ComposiMold over your original part to make your mold. Bubble Buster is not intended for use in your mold for the casting process or for edible casting materials.