Poly 74-55 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to an amber, Shore A55 rubber. This is a pourable rubber, but it can be easily thickened with PolyFiber II Thickener for brush-on application.
Polytek 74-30 Liquid Polyurethane Rubber (16lb Kit)
Poly 74-20 Liquid Rubber Polytek Development Corp.
Polytek 74 Series Polyurethane Mold Rubber
Poly 74-20 Mold Rubber by POLYTEK – Concrete Exchange
Polytek Poly 74-20 Liquid Polyurethane Rubber (6-lb Kit)
Polyurethane Mold Making & Casting Rubbers
Poly 74-55 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to an amber, Shore A55 rubber. This is a pourable rubber, but it
Polytek 74-55 Polyurethane Liquid Mold Rubber-5 lb Kit
Poly 74-45 Liquid Rubber
Polytek Poly 74-20 Liquid Polyurethane Rubber (6-lb Kit)
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