Sandwich panel is a light and combined structure consisting of two layers of external coating and middle insulating (foam). The coating is usually made of galvanized, zincalume (aluzinc), and aluminum, or aluminum foil, nylon, craft paper. The insulator core is made of polyurethane, polystyrene, rockwool, and asbestos.
Parsin sandwich panels features
Sandwich panel insulator core of the Parsin Company is made of hard polyurethane foam with a density of 40±2 kg/m3 with the fire resistance class of B2 (slow burner) and the resistance class of B1 (fireproof ).
According to the application of sandwich panels, various compounds are use to coat the sandwich panel core.
The polyurethane sandwich panel with galvanized metal sheets, colored metal sheets, and aluminum sheets are usually used for external covers against moisture and corrosion. While, the polyurethane sandwich panel covered with aluminum foil, nylon, polyethylene, and paper are used for internal applications such as insulation of cold storages floors (under concrete layer), aquatic constructs floors, etc.