... -resistant CFC-free;refrigerator part;low carbon Specifications(wire tube evaporator)Raw material1) Rolling welded steel pipe: ... (Three-capillary evaporator)Key processStraightening cutting, bending, welding wire, molding, assembly welding, leak testing, pre-treatment, ... cathodic electrophoresis coating 15 ∼ 20 μ m; thickness of wire-tube evaporator powder coating:60 ∼ 300μ mHardness of coating≥ ...