The steel structure warehouse has a long service life, so it needs to be painted to carry out anti-corrosion and anti-rust work to improve the service life of the plant. The anti-corrosion construction and paint selection of warehouses with different building materials are different, such as concrete workshops and steel workshops, and steel workshops have requirements for anti-corrosion.
Corrosion-resistant paints for steel structure workshops generally use supporting schemes such as epoxy zinc-rich primer, epoxy intermediate paint, acrylic topcoat or epoxy iron red primer, epoxy cloud iron intermediate paint, polyurethane topcoat, etc. Select the topcoat according to the age requirement.
The construction steps of plant anti-corrosion paint are divided into: base surface treatment, spray primer, spray top paint
1. Surface treatment: firstly remove the rust on the steel structure, sandblasting, pickling and other methods can be used. At the same time, the welding place should be polished. The metal surface is smooth. After the rust treatment is completed, the dust and the surface of the steel structure must be clear. Oil stains, etc., improve the adhesion of paint.
2. Spray primer: The primer is usually zinc-rich primer, red lead anti-rust paint or iron red anti-rust paint. The paint should be configured according to the requirements to control the paint viscosity. Move evenly from left to right when spraying to prevent the paint layer from being too thick;
3. Spraying topcoat: The topcoat can be sprayed only after the primer is dry. Roller coating, spraying, and brushing can be used. The paint should be evenly applied, and the layers should be crisscrossed to avoid missing brushes.
The specific construction process should also be determined according to the purpose of the steel structure plant and the paint selected.
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