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Mix Ratio: 1A:2B Shore Hardness: A20 Pour Time: 20 min. Demold Time: 16 hr. Cured Color: Yellow Poly 74-20 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a yellow, Shore A20 rubber. 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.
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🇺🇸 Ship from USA · On Agora since 2025
$868.00