Poly 74-30 Urethane Mold Material

Product Details


Poly 74-30 is a 1A:1B mix, A~30 hardness, polyurethane liquid rubber that cures in 16-24 hours and is designed for making high-performance rubber molds for casting materials such as plaster, wax, and resins (polyurethane, polyester, epoxy - with proper release agents). Poly 74-30 molds can be poured as supplied or brushed-on by mixing in Poly Fiber II thickener or fumed silica. Poly 74-30 liquid rubber is an excellent multi-purpose, economical mold material that will provide long mold life, durability and consistent performance under repeated casting.
Poly 74-30 Urethane Mold Material

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