The quality judgment of fastener electroplating layer - Appearance Inspection
AVRIL XU
BAIDU
2024-06-11 15:59:04
Appearance Inspection
Fastener surface should be smooth, good gloss without leakage plating surface, there shall be no dirt, porosity, pinhole, peeling, burnt plating, gray, peeling, crusting conditions and obvious streaks and pitting, black slag, passivation film loose, cracking, peeling and serious traces of passivation.