Poly 81-90 Liquid Rubber

poly-81-90Poly 81-90 is a firm A90 polyurethane liquid rubber most often used for making molds, mold facings, stamping tools, industrial parts, rollers, gaskets, bumpers, pads and more. This rubber is very tough, durable, abrasion-resistant and offers low moisture sensitivity.



Mix Ratio Shore Hardness Pour Time Cured Color Mixed Viscosity Specific Volume Demold Time
100A:40B A90 23 min. Varies 2,000 cP 26.6 in³/lb ~16 hr.
Accessories: 74/75 Part C Softener, PolyFiber II Thickening Agent, UV Additive, Tietex® Fabric, Poly Purge Aerosol Dry Gas


Product Literature: Technical Bulletin | Safety Data Sheets | Physical Properties Bulletin | Sealer & Release Agent Selection Guide


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