Heat insulation extruded polystyrene XPS sandwich panel 1, light weight, high strength, 2, flat surface & high performance Heat insulation extruded polystyrene(XPS) sandwich panelsimple introduction:The product use XPS as the main material, both sides are covered with the interface agent, surface mortar and alkali-resistant fiberglass mesh. Structure:Structure: 2 layer polymer mortar plate+1 ...