Another kind is thermoplastic polystyrene foamed plastic thermosetting and rigid polyurethane foams primarily organic heat preservation material, usually identified as combustible materials.
2
聚氨酯材料是国际上性能最好的保温材料。
Pu material is the international performance of the best heat preservation material.
Organic kind of heat preservation material mainly comes from oil byproducts, including EPS (EPS), extruded polystyrene (XPS), polyurethane coating (SPU) and polystyrene particle etc.