Molybdenum Disulfide Coating Is Used in Automobiles and Plastics Fields

Molybdenum disulfide coating, also known as MoS2 solid lubricating film, is a solid film formed by MoS2 powder and organic binders such as epoxy resin or inorganic binders such as sodium silicate, and then sprayed or brushed on the workpiece. It has good lubricating properties and is widely used in the fields of automobiles, mechanical equipment, and plastics.

From the point of view of performance, the friction coefficient of MoS2 coating is low (dynamic friction coefficient is 0.03, static friction coefficient is 0.07), which helps to avoid carbon accumulation, and is better than graphite and polytetrafluoroethylene. It has excellent high and low temperature resistance, can withstand loads of 10,000 psi, and has an operating temperature range of -460°F to 1200°F; excellent biocompatibility, compatible with most oils and greases, and maintains a hydrodynamic layer; excellent chemical stability, can prevent water, water vapor and acid from corroding metals; non-toxic, environmentally friendly, non-radioactive, etc.

The main reason why the friction coefficient of molybdenum disulfide coating is low is that MoS2 is a layered material with a sandwich structure, and the S-Mo-S unit layer is stacked. The atomic layers of molybdenum are connected by covalent bonds, and the unit layers are connected by van der Waals force.

From the point of view of use, MoS2 coating is mainly used in friction parts of mechanical equipment, which can improve the mechanical properties and service life of mechanical equipment, making it more suitable for use in extreme environments, and reducing maintenance problems and replacing new parts The probability. In addition, MoS2 dry film coating is also convenient to use, does not require heat curing or baking, does not require any chemical agents or adhesives, and can be directly coated or sprayed on parts.

Molybdenum disulfide and tungsten disulfide are used traditionally in greases for bit lubrication. If you have got the purchasing plans for them, please feel free to contact us. 

If you have any inquiry of molybdenum disulfide, please feel free to contact us:
Email: sales@chinatungsten.com/sales@xiamentungsten.com
Tel.: +86 592 5129696/+86 592 5129595

Fax: +86 592 5129797

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Advantages of Molybdenum Disulfide Coating Based on MoS2

Molybdenum is a lustrous silver metal found in the earth's crust at 1.5 ppm. In many cases, it is very similar to tungsten, which is often paired with tungsten in the transition series of the periodic table, but their chemistry often exhibits more pronounced differences than expected.

The metal can withstand extremely high temperatures without significantly changing, expanding or softening. This ability makes its engagement in high temperature situations very useful. Typical applications of molybdenum are various, such as crucibles, evaporation boats, propulsion components, glass melting electrodes, high temperature furnaces, sputtering targets, heat sinks. 

Molybdenum disulfide (MoS2), one of the compounds of molybdenum, is used as a high temperature lubricant. The molybdenum disulfide coating is a solid lubricant based on MoS2 and containing an organic binder. The thickness of the coating is very thin, which does not affect the size and mechanical strength of the parts. Under the action of pressure, the coating is not easy to be squeezed out of the friction contact surface, so the bearing capacity is high. Under various special working conditions such as high temperature, low temperature, high altitude and heavy load, etc., the performance of general grease cannot be adapted, and molybdenum disulfide lubricant can be used for lubrication.

Advantages of molybdenum disulfide coating:

1. Improve the relationship between torque and pressure

It can effectively improve the relationship between torque and pressure of high-end fasteners, so that the fasteners can withstand greater loads and are less likely to loosen.

2. Solve the problem of fastener jamming and occlusion

The surface of the high-end fasteners coated with MoS2 coating is not easy to rust, stick and bite after use.

3. Solve the problem of ultra-high temperature and ultra-low temperature lubrication

At temperatures between -255°C and 300°C, the coating applied to high-end fasteners does not become embrittled and still has lubricating properties.

4. Solve the problem of wear resistance and self-lubrication

Based on the excellent wear resistance and self-lubricating properties of the coating, high-end fasteners can be repeatedly loosened and locked repeatedly without damage to the wire teeth.

5. Solve the problem of anti-rust and anti-corrosion

The MoS2 coating will form a dense and firm lubricating film on the surface of high-end fasteners, which will cut off the contact between the metal substrate and the air, making it less prone to corrosion.

If you have any inquiry of MoS2, please feel free to contact us:

Email: sales@chinatungsten.com/sales@xiamentungsten.com

Tel.: +86 592 5129696/+86 592 5129595

Fax: +86 592 5129797

Scan QR code of Chinatungsten Wechat platform to follow up the daily latest price and market of tungsten, molybdenum and rare earth.