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Poly 75-79 Liquid Rubber

Poly 75-79 Liquid Rubber


Poly 75-79 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a yellow, Shore A80 rubber. This is a pourable rubber, but it can be easily thickened with PolyFiber II Thickener for brush-on application.

View all Poly 75-Series Liquid Mold Rubbers

WARNING: This product can expose you to chemicals including 4,4'-Methylene bis(2-chloroaniline) (MOCA) and Toluene diisocyanate (TDI), which are known to the State of California to cause cancer. For more information, go to


This 120-lb kit includes:
80 lb of Poly 75-Series Part A (~10 gallons)
40 lb of Poly 75-79 Part B (~5 gallons)

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