... , salinization steel, and embossed aluminum.2)Quick-freezing cold storage can reduce the thermal conduction due to temperature difference ... perfect efficiency.3) The insulation board of quick-freezing cold storage made of rigid polyurethane and polystyrene composite reperfusion insulation ... <=0.024Kcal/mhC).4) The thickness of quick-freezing cold storage specifications: 60,75,100,120,150,180 mm 5, ...