TÔN PU CÁCH NHIỆT 3 LỚP

Tôn 5 sóng PU 3 lớp chống nóng

Insulated Polyurethane sandwich roof panel or PU/PUR/PIR sandwich composite panel is a commonly used composite building material. The same as other types of structural insulated panels, it is also made up of two layers of structural board and one insulation core.