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Color steel plate products are popular because of their light texture and easy installation. During the filling process, there are many things that need attention to prevent condensation of water vapor, so there will be no bubbles. What else can cause bubbles on the surface of color steel plate? Now Jinan color steel plate manufacturer will answer for you.
Reasons for bubbles in color steel plate products:
1. Stir the resin mixture without vacuuming;
2. Color steel plate is not subject to secondary vacuum treatment;
3. The proportion of color steel plate is incorrect;
4. The gel speed is too fast, and the bubbles do not have enough time to escape from the surface of color steel products;
5. Do not use wetting dispersant, defoamer and other additives.
For the treatment of the surface of the base course, the mechanical derusting method shall be used for the color steel plate before construction. Corner polishers, steel shovels, wire brushes, files and other tools shall be used to remove all dead corners. The steel surface is not allowed to retain removable rolling skin, and must be free of welding slag, welding scar, dust, oil stain, rust layer, etc. The treatment level shall reach level st3, that is, the treated metal surface is free of visible oil stain, and there is no loose oxide skin Rust and other attachments.
The substrate shall be integrally treated with an electric polishing machine to increase the adhesion of the coating. Wipe off the dust and other attachments on the base course with a clean cloth. After the self inspection and inspection of the factory color steel plate treatment are qualified, Party A's site representative and supervisor shall hand over the painting team immediately after the inspection is qualified. It shall not be affected by moisture, pollution or overnight, and the primer must be applied within 12 hours. Refurbishment and painting construction of color steel plate on plant roof to ensure that the color will not fade for more than five years; No rust for more than five years.
There are many reasons for bubbles on the surface of color steel plate, but the above are only part of the reasons. I hope you can learn more. If you have any questions or needs, please come to our website http://www.jnjgcg.com Ask about it!