... freezing, anti-moisture, noise-resistant and heat insulation. Polyurethane Foam 1, factory direct sell, professional manufacturer2, soft, good ... touch feeling, comfortable3, samples are free by demand4,shapes by demand5,size by demand6,density by demand7, colors by ... to “blow holes” due to the foaming process.Polyester Foam - Mainly of improved physical properties, and controlled cell structure ...