Polyurethane Powder Coating

The weather resistance,appearance,physicomechanical characteristic and anticorrosion of polyurethane powder coating is good.So it is especially suitable for outdoor workpiece.NOTesting ItemTesting MethodTesting Result1Appearance(visual)Homogeneous color,Without any agglomrateHomogeneous color,Without any agglomrate2Pinhole Test(GB/T5135.20-2010)Without electric-sparkPass3Adhesion(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 pass12Weather resistanceUvioresistant is up to GB5237.4Pass
Polyurethane Powder Coating