... door , sliding door.. Monoblock refrigeration unit Use 100%polyurethane insulation panel, density about 44~46kg/m3, with gasket, ... Freezing, quick-freezing. Air-conditioning are all available..-- insulation panel: Polyurethane (density is up to 40~46kg/m3 ) Application: ... , dairy, drink), medicine, chemical, electronics, etc.-- materials: Polyurethane and metal sheet. Metal sheet: It is can be with ...