... , anti-moisture, noise-resistant and heat insulation. Polyurethane Foam 1, factory direct sell, professional manufacturer2, soft, good ... electronic industry, machinery, pet pads, mattress, cushions, funturers, insoles, etc Polyurethane foam is created in a basic chemical reaction ... to “blow holes” due to the foaming process.Polyester Foam - Mainly of improved physical properties, and controlled cell ...