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Specifications Raw material Al-plate: finished products thickness: 1.1 2.0mm , raw material Al plate thickness: 1.4 2.5mm Structure Double side rollbond evaporator, single side rollbond evaporator, part single side rollbond evaporator Key process Prepare the material, Cleaning, roughing surface, Printing, Riveting, Rolling, Annealing, Blow up, Punching, Folding and shaping, Capillary connecting, Assembly welding, Leakage Test, Cleaning and drying, Coating, Curing, Inspection, Packing Technical Standards 1) Size: width 590 mm (max), length 2050 mm (max) 2) Can produce according to the drawing or sample supplied by clients, also can help the clients design and produce different models of roll bond evaporator. Performance 1) Surface treated with powder painting to prevent the corrosion 2) Inner cleanness can meet the requirement of R 134a & CFC cooling system. 3) Can satisfy the cooling capability requirements. Performance 3.5 million sets per year (10000 sets per day) R 134a Cooling System Tube Inside standards Residual moisture ≤5mg / 100cm 3 Residual impurity ≤1 mg/ 100cm 3 Residual mineral oil ≤100 mg/ 100cm 3 Residual chlorine ≤5vloppm Residual paraffin ≤3mg /m2 Biggest single impurity ≤ 0.5mm Specification of coating Coating thickness thickness of coating40 90 μ m Hardness of coating ≥2H Impact of coating 50cm ?kg/cm impact, no crack Adhesion of coating ≥two grade Flexibility of coating Around R=3D bend 180?, no crack or no fall off Color tolerance of powder painting E ≤1.5