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Epoxy polyester powder coating have double advantages of epoxy powder coating and polyester powder coating,So it is widely used,such as home appliance, instrument,light industry and PCM steel plate etc.NOTesting ItemTesting MethodTesting Result1Appearance(visual)Homogeneous color,Without any agglomrateHomogeneous color,Without any agglomrate2Pinhole Test (GB/T5135.20-2010) Without electric-spark Pass3Adhesion(GB/T5135.20-2010)1~3 Class1 class pass4Bending Test (GB/T5135.20-2010)Coating is not peeling, breakingPass5Flattening Test (GB/T5135.20-2010)Coating is not peeling, breakingPass6Impact Resistance(GB/T5135.20-2010)Coating is not peeling, breakingPass7Vacuum Resistance (GB/T5135.20-2010)Coating is not peeling, breakingPass8High Temperature Resistance (GB/T5135.20-2010)Coating is not peeling, breakingPass9Low Temperature Resistance (GB/T5135.20-2010)Coating is not peeling, breaking. Adhesion pass 1~3 class1 class pass10Pressure Cycle (GB/T5135.20-2010)Coating is not peeling, breaking. Adhesion pass 1~3 class1 class pass11Temperature Cycle (GB/T5135.20-2010)Coating is not peeling, breaking. Adhesion pass 1~3 class1 class pass12Warm water ageing resistance (GB/T5135.20-2010)Coating is not peeling, breakingPass
