the features of the transparent powder coating: ItemTypical measured valuesSieve residue (125um),%0, or otherwise specified.Cured propertiesAppearance of cured membraneHigh smoothness, low color deviation, minimum surface defects.Hardness, ≥2HGloss (60°), ≥86Adhesion (1mm, 6x6), ≤0Bending test, mm ≤2Impact resistance, cm ≥40Acid resistance (3% HCl, 24Ohrs)No surface change observedAlkali resistance (5% NaOH, 168hrs)Minor surface change observed, recoverable within 2hrs.Salt fog resistance (400hrs),≤1Damp heat resistancee (500hrs), ≤1as per the corresponding standards approved by the former Ministry of Chemical Industry on Jan. 1, 1995.