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Surface cleaning: The appropriate method must be selected according to the nature of the surface of the anti-rust object and the conditions at that time. Commonly used are solvent cleaning method, chemical treatment cleaning method and mechanical cleaning method.
After the surface is dry and cleaned, it can be blown dry with filtered dry compressed air, or dried with a dryer at 120~170℃, or wiped dry with clean gauze.
Method of applying anti-rust oil
Immersion method: Some small objects are immersed in anti-rust grease, and the surface is adhered with a layer of anti-rust grease. The thickness of the oil film can be achieved by controlling the temperature or viscosity of the anti-rust grease.
The brushing method is used for outdoor construction equipment or products with special shapes that are not suitable for immersion or spraying. When brushing, it is necessary to pay attention not to build up, but also to prevent missing coating.
Spray method Some large rust-proof materials can not be oiled by immersion method. Generally, filtered compressed air with a pressure of about 0.7Mpa is sprayed in a clean air place. The spray method is suitable for solvent-diluted anti-rust oil or thin-layer anti-rust oil, but must adopt perfect fire prevention and labor protection measures.