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Shrinkage |
① coating line environment has been polluted.
② was coated surface of water, oil, all kinds of acid, alkali and other impurities.
③ coating is too smooth.
④ was coated workpiece or when the temperature at the end of construction.
⑤ compressed air compressor, water or oil |
① checked and ruled out painting lines within the scope of pollution sources. Tu
② removal of the surface of all the impurities.
③ coating attention to polishing treatment, Zaitu surface coating.
④ construction of temperature can not be less than 1 O ℃.
⑤ compressed air filter air compressor and timely drainage. |
