Poly 74-45 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a yellow, Shore A45 rubber. This 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 to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Mix Ratio by Weight:1A:1B
Shore Hardness:A45
Pour Time:30 min.
Demold Time:16 hr.
Cured Color:Yellow
Mixed Viscosity:2,000 cP
Specific Volume:27.5 in³/lb
Specific Gravity:1.02
Elongation:1,135 %
Tensile Strength:408 psi
Die C Tear Strength:82 pli
Notes:The color of polyurethane Part Bs may change in color from batch to batch or may darken with age, but product performance is not affected.
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