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MoS2 Friction Modifier Molybdenum Disulfide
mos2 dry film lubricant is a VOC-free, water-based molybdenum disulfide dispersion that exhibits excellent adhesion to most substrates. It has a low coefficient of friction, high load carrying capacity, and long-term durability. It is designed to provide a smooth, uniform coating that reduces friction, wear, and seizure on metal-metal contacts.
The main ingredient of the mos2 dry film lubricant coating is molybdenum disulfide (MoS2), which occurs naturally in thin solid veins within granite and is mined and refined to achieve purity suitable for lubricants. The hexagonal crystalline structure of the molybdenum disulfide allows easy shear between molybdenum atoms and sulphur atoms at the interface, which is responsible for the low friction and wear properties.
MoS2 can also be combined with various binders and resins to provide additional performance benefits, such as corrosion resistance, abrasion resistance, and anti-friction properties [6,7]. Its low coefficient of friction makes it an ideal lubricant for reducing the loss of energy, wear and tear, and weakened performance of machine components.
Several tests were conducted to study the behaviour of MoS2 coating under different moisture conditions, including ambient air and vacuum. The results of the tests clearly indicated that moisture present in the air caused the coating to perform poorly.
A series of tensile tests were carried out on a cylinder-on-flat contact geometry with a range of normal loads and amplitudes. It was found that the average CoF increased with increasing load and amplitude, but not significantly.