Tungsten disulfide for preparing high temperature bearing grease has the smallest friction coefficient among many lubricating materials. Generally, tungsten disulfide nanopowder is often added as an extreme pressure additive to the production of grease. Wherein, the amount of nano WS2 added varies with the type of grease and applications, and its adding amount is in the range of 1.5-6%.
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While it is the small amount of tungsten disulfide additive that makes high temperature bearing greases have the following advantages:
1. Excellent high temperature resistance, low temperature resistance and oxidation stability, and extremely long high temperature service life.
2. Applicable temperature range: -20 ~ +650 °C, and working limit high temperature reaches 800 °C.
3. Excellent extreme pressure and anti-wear performance, the friction coefficient is extremely low, and the bearing capacity is strong.
4. Excellent mechanical stability, adhesion, water resistance and water washout performance, and high oil film strength.
5. Excellent anti-rust and anti-corrosion performance to prevent the corrosion of metal by water, water vapor and acid.
6. Used for lubricating friction parts and bearings operating under the extremely high temperature, heavy load and humidity, pollution and other harsh working conditions, providing maximum protection against wear, rust and corrosion.
