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镀锌产品防腐施工有什么不同你知道吗?

来源:http://www.jnxxjm.com

【 发布于:2019-12-19 18:45:44 】


  我们普通钢材产品和镀锌钢材产品的区别之一就是普通钢材容易腐蚀生锈。而镀锌产品经过镀锌处理后,能有效发挥防腐作用。但不能保证经过多年不生锈,镀锌防锈只是短暂的时间,所以一定要刷上油漆,保证十几年后也不生锈。

  One of the differences between our ordinary steel products and galvanized steel products is that ordinary steel products are easy to corrode and rust. After galvanizing treatment, galvanized products can effectively play the role of anti-corrosion. But it can't be guaranteed that it will not rust after many years. Galvanizing is only a short time, so it must be painted to ensure that it will not rust after more than ten years.

  但镀锌与镀锌钢管的防腐涂料基材与钢材有很大的区别,镀锌钢板过于光滑,一般涂料难以附着在表面,即使干燥后也容易脱落,不能达到防腐的作用。因此,涂料的选择一般是底漆加面漆,底漆选用附着力强的双组份环氧锌黄底漆或环氧富锌底漆,面漆选用硬度较高的丙烯酸聚氨酯面漆或氟碳面漆。镀锌防腐漆施工方法如下:

济南镀锌管

  But the base material of anticorrosive coating of galvanized and galvanized steel pipe is very different from that of steel. The galvanized steel plate is too smooth, and the coating is difficult to adhere to the surface, even after it is dry, it is easy to fall off, so it can not achieve the effect of anticorrosion. Therefore, the choice of coating is generally Primer Plus finish. The primer is two-component epoxy zinc yellow primer or epoxy zinc rich primer with strong adhesion, and the top coat is acrylic polyurethane finish or fluorocarbon finish with high hardness. The construction method of galvanized anticorrosive paint is as follows:

  首先是基材处理:镀锌板表面很光滑,也要用磨光处理,使表面有一定的粗糙度更有利于油漆附着力。

  First, substrate treatment: the surface of galvanized sheet is very smooth, but also to be polished, so that the surface has a certain roughness is more conducive to paint adhesion.

  第二,底漆涂层:a和b组环氧锌黄底漆在5:1的比例,混合添加了适量的环氧稀释剂,充分搅拌和均匀喷2次,每次间隔超过6小时和24小时的实际工作。

  Second, primer coating: A and B groups of epoxy zinc yellow primer in the ratio of 5:1, mixed with a proper amount of epoxy diluent, fully stirred and evenly sprayed twice, each time interval more than 6 hours and 24 hours of actual work.

  再进行面漆:将丙烯酸聚氨酯面漆a组和b组按5:1的比例混合,加入丙烯酸稀释剂,搅拌均匀,喷涂2次,每次间隔6小时以上,干燥24小时。

  Then finish coat: mix group A and group B of acrylic polyurethane finish coat in the proportion of 5:1, add acrylic diluent, mix evenly, spray twice, every time interval is more than 6 hours, dry for 24 hours.

  施工验收:施工完毕,漆膜平整,颜色均匀。这时油漆中还有残留的溶剂没有挥发,需要7天左右时间才能彻底干燥,达到理想的效果。

  Construction acceptance: after construction, the paint film shall be flat and uniform in color. At this time, there is still residual solvent in the paint that is not volatilized, and it will take about 7 days for the paint to be completely dried to achieve the desired effect.

  以上是济南镀锌管厂家为大家介绍的相关内容,想要了解更多内容,欢迎访问网站:http://www.jnxxjm.comThe above is the relevant content introduced by Jinan galvanized pipe manufacturer. For more information, please visit the website: http://www.jnxxjm.com



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