... concave-convex notch and crank lock,easy assemblePU foam panel for cold roomThe insulation panel, made of polyurethane, covered by SII, PVC ... varieties and different specifications for your special needs and select. 2. Surface material: Stainless steel plate, pattered aluminum plate, colored steel ... mm,0.65 mm7. Panel Max. length:8800 mm8. width:1000 mm,980 mm,960 mm Supply PU foam panel for cold room