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["Gelprängle für防腐,请使用什么油漆和涂料?

2019-05-22View Original

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"["目前我公司的火炬塔架采用热浸镀锌工艺,担心寿命短,计划镀锌后再最外层加防腐,请使用什么油漆和涂料?
Reply #22019-05-22
"["听说过有用环氧树脂和聚氨酯的
Reply #32019-05-23
"["也有刷银粉和氟碳漆的,只是听说,不知道效果怎样
Reply #42019-05-23
"["建议你们还是还是不要刷油漆的好,油漆的寿命肯定不如热浸锌,如果有担心,你们就规定这个热浸锌的锌层厚度。到时候3年后有油漆脱落什么的,你们是补还是不补?最好还是大修的时候检查一下塔架,然后热浸锌不好的地方,局部补一下油漆。
Reply #52019-05-23
"["建议买成品防腐管材,镀锌管加具有抗紫外线功能的环氧粉末喷涂或聚氨酯。美国镀锌防腐协会研究结果可以让镀锌管防腐寿命延长1.5倍-倍的的时限。
Reply #62019-05-27
"["防腐涂料、聚氨酯系列都考虑了
Reply #72019-05-28
"增加锌层厚度还是靠谱,热镀锌挺个三五十年没问题。刷漆感觉没什么意义。
Reply #82019-05-29
"""都已经镀锌了,为何还要刷油漆?镀锌比油漆的防腐效果好很多倍吧!
Reply #92019-05-29
"""如果追求实用就用环氧,防腐
Reply #102019-09-09
"""热镀锌后再刷油漆其实是不正确的做法了,因为刷漆要做表面处理,热镀锌如果做表面处理的话就会破坏原有镀锌层。不做表面处理的话,刷漆就是白费力气。如果担心安全,设计的时候可以把安全余量做大一些,腐蚀余量也大一些就好了。

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