... salinization steel, and embossed aluminum. 2)Quick-freezing cold storage can reduce the thermal conduction due to temperature difference between ... efficiency. 3) The insulation board of quick-freezing cold storage made of rigid polyurethane and polystyrene composite reperfusion insulation board ... .024Kcal/mhC). 4) The thickness of quick-freezing cold storage specifications: 60,75,100,120,150,180 mm 5, ...