... (PU) insulation wall panel with camlocks our insulation panel is made of polyurethane from raw materials to foam molding, which standard ... 50mm, 70mm, 100mm, 150mm, 200mm.7.Usage of PU panel: wall, roof for insulation building8.Working temperature: -50'C-- +50'CIII. ... panel: it can be used as wall and roof panels for industrial or residential buildings like cold storage, industrial workshops, ...