... 5.Max Thick: 200mm Polyurethane (PU) panel ( insulated panel),the sandwich board rigid polyurethane (PU) foam high pressure, both inside ... , stainless steel plate and galvanized steel and other materials,PU cold storage is generally modular cold storage, from polyurethane ... combination, separation, or increased, reduced based on user’s require.PU Panel thickness 75mm ,80mm ,100mm ,120mm ,150mm ,200mm ...