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On June 20, 2014 Stoner Inc. acquired the Specialty Products Co. brand. Stoner Inc. is an established mold release manufacturer and supplier to the injection molding, rotational molding, rubber, tire, investment casting, polyurethane, and composites markets. Stoner mold release agent brands include Stoner, Nix Stix, Releaseomers, Zip, TraSys, and now SPC.

The SPC line of products encompasses mold release agents, polishing compounds, and Styrid®, a vapor suppressant additive for polyester resin. We specialize in providing release products for all aspects of the composites industry that utilize thermoset resins including polyester, epoxy, and phenolic, either in a liquid or a pre-preg state. Our products are designed for use in open molding, closed molding as well as elevated temperature molding environments.

Our BuffAway compounds are quality, cost effective products that will remove sanding scratches and leave a smooth high gloss finish on tool surfaces and finished parts.


Mold Release Products

Mold Release Products

Styrene Suppression

Specialty Greases and Oils

Compounds and Polishes