Poly 75-80 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.WARNING This product can expose you to chemicals including 4,4'-Methylene bis(2-chloroaniline) (MOCA) and Toluene diisocyanate (TDI), which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.FOR INDUSTRIAL/PROFESSIONAL USE ONLY.TECHNICAL SPECIFICATIONS Mix Ratio by Weight: 2A:1B Shore Hardness: A80 Pour Time: 45 min. Demold Time: 16 hr. Cured Color: Yellow Mixed Viscosity: 5,000 cP Specific Volume: 26 in³/lb Specific Gravity: 1.07 Elongation: 468 % Tensile Strength: 750 psi Die C Tear Strength: 199 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. Kit Components Poly 75-80 Liquid Rubber Components 6-lb kit includes 4 lb of Poly-75 Series Part A (~1 gallons)2 lb of Poly-75-80 Part B (~1 gallons) 24-lb kit includes 16 lb of Poly-75 Series Part A (~1 gallons)8 lb of Poly-75-80 Part B (~1 gallons) LOOKING FOR LARGER SIZES (E.G., DRUM KITS)? Contact us at 877-935-8906 or [email protected] for help.