evaporator It is made of copper coated tube and steel wire, coated with electrophoresis and macromolecule material, It has good corrosive resistance (while test at sealed box with seam of saltwater for 1000 hours, free of rust ),Ideas for the cooling system of freezer ,refrigerator. Comprssion Resistance >=4MPa Dryness <=50mg/square meter Cleanness <=50mg/square meter The rigidity of coat >=2H Coat Cling Ability 1 Coat Flexibility <=4mm Impact Resistance of coat >=490N.cm Coat Salinity Resistance >=1000H