I understand metal low finish paint

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I understand metal low surface treatment paint. Low surface treatment paint must first be distinguished from rust paint. The main function of rust paint is to coat the surface of residual rusted steel. Low surface treatment paint can not only be painted with rust, but also can be applied to other types of old coating surfaces. It is also called surface tolerant paint. We* It is often called low surface treatment paint. Rusty construction does not mean painting the surface rust products with paint without any treatment. What kind of conditions can be tolerated by low surface treatment on the surface of the substrate, such as oxide scale, rust, various old coatings, water, oil, salt, etc., and the construction environment may have high or low temperatures, high humidity, etc. These must be considered comprehensively. Secondly, the use of low surface treatment coatings is adopted when it is impossible to fully achieve sandblasting Sa2.5 and at the same time meet high-level anti-corrosion requirements. At the same time, low surface treatment coatings are required to be able to be coated on different types of old coatings without causing compatibility problems. Therefore, low surface treatment coatings are compatible with St2~3 surfaces treated by hand or power tools, old coating surfaces and high-pressure water rust removal surfaces, and the coatings must be better able to adapt to various climates and unconventional working conditions than other products. The coating must have the following characteristics: good penetration and adhesion, good corrosion inhibition, less impact on the old coating, sufficient flexibility (tolerating the expansion of the old coating), and tolerant to poor climate conditions (having low-temperature construction performance, and a certain humidity or even trace amounts of water on the substrate).