Raw material

Copper or Al tube: O.D6 -- O.D10, with wall thickness: 0.6 -- 1.0Al plate: thickness 0.5 -- 0.8

Adhesive membrane thickness = 0.08 -- 0.15

Structure

  Structure: 1) flat evaporator for single refrigeration room; 2) Square evaporator for freezing room

System: 1) evaporator for single temperature control system (single capillary evaporator); 2) evaporator for double temperature control system (double capillary evaporator); 3) evaporator for three ways temperature control (three capillary evaporator)

Key process

Tube bending, Al plate punching, Surface cleaning, Bounding, Weld the suction, Tube assembly, Leakage test, Drying, Surface cleaning, Coating, Inspection, Package

Performance

1) Al plate or (and) pipe with powder painting, or with lacquer painting to prevent the corrosion.2) Inner cleanness can meet the requirement of R134a & CFC cooling system.3) Can satisfy the cooling capability requirements of the designed refrigerator.

Performance

2.2 million sets per year (7500 sets per day)

Residual moisture

≤20mg/m2

Residual impurity

≤30mg/m2

Residual mineral oil

≤7mg/m2

Residual chlorine

≤0.3 mg/m2

Residual paraffin

≤0.2 mg/m2

Coating thickness

Thickness of flat plate or tube powder painting: 30 100um

Hardness of coating

≥2H

Impact of coating

50cmkg/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 powderpainting

E≤1.5