I have experienced the paint chipped off at the upper edge of countersink of Alu. enclosure after few times screw & unscrew during installation. The metals were with fine brushing & clear iridite treated before painting process, and the paint was cured at 140 Celsius then fine textured, the final cure at 160 Celsius for 8 min. Great appreciate if any one point out the major factors which cause the paint chip off. Thanks.
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