Many times, due to the weather or the geographical environment, the walls of the house will be moldy for a long time. In order to prevent this from happening, there has been a kind of anti-corrosion paint on the market. In order to meet the different needs of consumers, there are more and more anti-corrosion paints. So, what are the anti-corrosion paints? What is the role of anti-corrosion paints? Here's a small one for everyone to explain it!
What are the anti-corrosion paint
1. What are the anti-corrosion paints? In order to meet the different needs of different customers, many businesses have developed different types of anti-corrosion paints. According to the composition of anti-corrosion paint can be divided into: polyurethane anti-corrosion paint, inorganic anti-corrosion paint, epoxy anti-corrosion paint, acrylic anti-corrosion paint, chlorinated rubber anti-corrosion paint, vinyl chloride anti-corrosion paint, high-chlorinated polyethylene anti-corrosion paint, etc. .
2. What are the anti-corrosion paints? If they are classified according to the purpose of anti-corrosion paints, they can be divided into: anti-corrosion paints for ships, anti-corrosion paints for furniture, anti-corrosion paints for pipelines, anti-corrosion paints for metals, anti-corrosion paints for rubber and anti-corrosion paints for automobiles. Wait.
3. What are the anti-corrosion paints? If the anti-corrosion paints are classified according to the solvents, they can be divided into: oil-based anti-corrosion paints, water-based anti-corrosion paints, etc.
What is the role of anti-corrosion paint
1. The anti-corrosion paint has a shielding effect, it can prevent the corrosive medium from contacting the surface of the material well, and at the same time can block the passage of the corroded battery, so that the resistance can be increased. Such as: epoxy glass scales anti-corrosion paint, epoxy coal asphalt paint, chlorosulfonated polyethylene paint, polyurea, acrylic polyurethane paint, etc. have this effect. In addition, anti-corrosion paint flake pigments can block the penetration of corrosive factors such as water, oxygen, and ions. The coating formed by pigments and resins in anticorrosion paints can prolong the penetration of corrosive media, which can improve the corrosion resistance of coatings. . For example: epoxy zinc phosphate primer, phosphate primer, galvanized chrome paint, etc. can play a role in corrosion inhibition and passivation of metals.
2. Anti-corrosion paint has cathodic protection. Its paint film electrode potential is lower than that of the substrate metal, so it is "sacrificed" as an anode in the corrosion battery, so that the substrate metal (cathode) can be protected. For example: inorganic zinc-rich, zinc-rich epoxy, zinc coating film, aluminum spray, zinc spray and so on. Anti-corrosion paints can maintain direct contact between the zinc powder particles and between the substrate and the zinc powder. If moisture enters the coating, the anti-corrosion paint forms a battery consisting of zinc powder and a substrate steel plate so that current flows from the zinc to the iron and the substrate is cathodically protected.
Article Summary: The above is small series for which antiseptic paint and anti-corrosion paint related explain what role, everyone in the purchase of anti-corrosion paint, anti-corrosion paint to be selected according to the corresponding object in need of protection, so as to maximize The role of anti-corrosion paint.
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