... polyurethane (The density can reach 40kg/m3). Polyurethane panel:Focus on researching and manufacturing of various polyurethane color ... standard width of the cold storage panel is 0.985m.* PU color steel cold storage panel systems (PU cold storage Panel) 1. Fire Rating. ... Range: -200+150 Specs Factory, warehouse, large-span roof panel, temporary houses, shopping mall, info booth, prefabricated houses, ...