Briefly describe the types of antiwear agents

The organic chloride has a small friction coefficient under extreme pressure conditions, and the extreme pressure performance of the grease is better than that of anti-wear, but the extreme pressure performance will decrease at high temperature and in the presence of water. And cause metal corrosion and rust.
Organosulfur compounds can resist loads more effectively than chlorides, and the film formed by sulfurized animal oil still does not fail at a high temperature of 700 °C, and has good hydrolytic stability, but a large friction coefficient.

antiwear agent Wholesale Price

Phosphorus-containing compounds can improve the anti-wear properties of grease. Although the acid phosphate ester has a stronger load-carrying capacity than neutral phosphate ester, the acid phosphate ester has strong chemical activity and is easy to cause metal corrosion, so it is rarely used.
Organic molybdenum salts, antimony salts and lead salts can not only effectively improve the extreme pressure and anti-wear properties of grease, but also improve the oxidation stability and rust resistance of grease. However, the oil solubility is slightly poor, and such additives are often uniformly dispersed in the grease by means of the grease dispersion process.
The ability of borate to resist extreme pressure is much greater than that of sulfur-phosphorus and lead-chloride additives, and it is a new type of extreme pressure additive for lubricating grease. An oily dispersion formed by dispersing amorphous microspherical borate in lubricating oil. Odorless and non-toxic. Has good extreme pressure wear resistance and thermal stability, no corrosion to copper. Slightly soluble in water, it can be used in gear oils and greases that do not come into contact with water.

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