Summary:The spraying process of antirust paint usually needs two times to ensure that the metal surface is fully protected.
The step 1 spraying can effective......
The spraying process of antirust paint usually needs two times to ensure that the metal surface is fully protected.
The step 1 spraying can effectively seal the metal surface and prevent water and oxygen from directly contacting the metal, thus delaying the corrosion process.
The second spraying is to form a complete protective film and enhance the antirust effect. Although spraying twice can provide better protection, sometimes it is difficult to detect the difference with the naked eye.
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