In the process of metal surface treatment, the most basic degreasing treatment is often influenced by various factors, including the properties of the degreasing agent, temperature, time, and mechanical force.
1.Alkaline degreasing agents mainly rely on alkaline saponification reaction and emulsification of active agents to achieve degreasing. Therefore, the selection and concentration of alkaline agents, as well as the type and concentration of active agents, are important factors affecting the degreasing effect in alkaline degreasing agents.
2.Acidic degreasing agents mainly rely on the emulsification effect of active agents and the reaction between acidic substances and the surface of the workpiece, releasing hydrogen, which causes the oil and workpiece to peel off and play a degreasing role.
3.An appropriate increase in temperature can promote the emulsification, saponification, or stripping reactions of the degreasing agent, thereby aiding in degreasing.
4.Extending the degreasing time can ensure complete emulsification, saponification, and peeling of oil.
5.Mechanical force is also a commonly used auxiliary method for oil removal; For example, spraying, ultrasonic, air blowing, and stirring circulation.
So, if you encounter problems that are difficult to solve during the metal pre-treatment process; You can also contact us directly Hanwang Chemical (Vietnam) Company. Limited
Post time: Oct-08-2023