1.soft and good elasticity 2.heatproof,soundproof,shockproof 3.widely used in many areas 1. Material :PU2. Color:white,gray, and as your ... , chemical industry, thermal insulation, sound insulation, heat insulation, shock absorption and noise, vibration, sound absorption, damping, sealing areas , the product has ... , is the ideal material to replace imported products. Polyurethane Rubber foam sponge