Poly 74-20 Liquid Rubber Size:24 lb. kit long lasting and matte

long lasting and matte

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Poly 74-20 Liquid Rubber Size:24 lb. kit long lasting and mattePoly 74 20 Liquid Rubber is a two part, liquid polyurethane system that cures (RTV) to a yellow, Shore A20 rubber, mixed at a ratio of 2: 1 by weight. This is the softest rubber in the Poly 74 Series line of polyurethane mold rubbers. Poly 74 20 is a pourable rubber, but it can be easily thickened with PolyFiber II Thickener for brush on application. WARNING: This product can expose you to chemicals including Toluene diisocyanate (TDI), which is known