Technical knowledge of steel structure spraying

Category： Industry News

Time：2020-07-08

In the construction of Sichuan steel structure, painting is also an indispensable link. So what problems do you need to pay attention to when using the spraying machine?

1: Need to pay more attention to the fact that we must first polish the surface of the steel structure for rust removal, in general, in addition to impurities such as rust, oxide scale and so on. Of course, more attention should be paid to the quality control of its surface treatment should reach the Sa2.5 level specified in the "steel surface rust grade and rust removal grade before painting" standard stipulated in GB8923, and the surface roughness is 35-75um, and the sand and dust will be removed after grinding.

2: Basically, the polished Chengdu steel structure is best able to complete the first paint coating within 4 hours. And many times, during use, we also need to focus on the use of ET-98 inorganic phosphate long-term zinc-rich coating as a primer, in most cases, is to remove oil, rust removal can be, can not grinder, but with wire brush, sander or steel sandpaper treatment.

3: If you encounter welded parts, it is recommended that you should not paint within 72 hours after candle welding.

4: Under normal circumstances, we in the galvanized layer is best to use the sweeping grade grinding method to remove the ash layer and its oil and other impurities, of course, in the later use process, we also need to pay attention to its coating 70-H epoxy iron red anti-corrosion paint.

The little knowledge about steel structure spray painting is first introduced to you here. Friends who need to build a steel structure, you can contact us! Yongshun will create a safe, green and environmentally friendly steel structure building for you.

Keywords： Technical knowledge of steel structure spraying

Related Information

Company News

Industry News

SAF Coolest v1.3 设置面板UUBSX-ZFNJ-EEAVE-ASZ

营业执照及SEO链接： License

无数据提示

Sorry, there is no content in the current column!

You can view other columns or return Home

SVG图标库请自行添加图标，用div包起来，并命名使用