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ComposiMold Bubble Buster, 4 oz.

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ComposiMold Bubble Buster, 4 oz. Bubble Buster is a PVA mixture that reduces bubble formation when making molds. It reduces surface tension, allowing the bubbles to rise up and away from the master part so that the critical contact surfaces of the mold retain their smoothness and detail. Using it is easy: simply spray your original part with Bubble Buster after applying a mold release (#50805, sold separately), then pour ComposiMold over your original part to make the mold.

Only $7.99 at Rockler.com

Where to Buy ComposiMold Bubble Buster, 4 oz.
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