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表面处理

酸洗后表面发花,是不是钝化液浓度问题

孙孙表面·11/2/2026, 1:34:59 AM👁 273

316L 焊接件酸洗钝化后表面有花斑,客户不接受。钝化液用了两个月没换,是不是浓度衰减导致的?

#酸洗#钝化#表面
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Replies (1)

赵
赵标准11/2/2026

先测游离酸和氧化剂浓度,两个月不换基本衰减了。另外检查酸洗前表面是否除油干净。