... made of melamine resin foam flexible, open porosity up to 99% of the soft thermosetting green foam. Three- ... was light, sound absorption, thermal insulation, fire retardant, stability, good low temperature flexibility, good air permeability, strong abrasion resistance ... ℃; withstand the high temperature of 240 ℃without the deformation during short-term), etc., Due to excellent performance, widely used ...