发布时间:2025-01-31 18:42:35
镀锌管焊接的防腐:
表面处理后,热喷涂锌。
如果现场不能镀锌,可以按照现场防腐的办法:
刷环氧富锌底漆,环氧云铁中间漆,聚氨酯类面漆。
厚度参照相关标准。
为什么高弹力海绵放时间久了 就会变黄详细的答案最好是这方面的专家给点意见
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