OEK1128 Features: * Medium-viscosity urethane fills voids completely * Faithfully reproduces mold detail, and cures to semi-rigid rubber * Mixes and pours easily * Ten-hour demolding time * Vol.: 26.5 lb/in3 * Tensile Strength: 2100 psi * Viscosity: 10000.0 cP * Hardness: 87.0 Shore A * Temp. Range: 120.0 F, 180.0 F [Max] * Chemical Compound: Polyurethane * Applications: Semi-Rigid Casting * Applicable Materials: Concrete, Fiberglass, Most Metals, Rubber, Wood * Testing and approvals: * Dielectric strength tested according to ASTM D149. * Tensile strength tested according to ASTM D412. Color/Finish: * Color: Black Specifications: * Dielectric Strength: 350.0 V/mil