Molybdenum Disulphide

Specifications

Molybdenum Disulphide (MoS2) is a lubricant grade of molybdenum which is available in four grades: Large Particle, Technical, Technical Fine and Super Fine.

Typical MoS2 content (calculated average) is 98.5%

Specification Large Particle Technical Technical Fine Super Fine
Median Particle Size D50 (Microns 20.0 – 30.0 5.0 – 15.0 3.0 – 6.0 1.3 – 1.5
Acid Insoluble % (max) 0.50 0.50 0.50 0.50
MoO3 % 0.05 0.05 0.05 0.10
Iron % (max) 0.15 0.15 0.15 0.15
Water % (max) 0.05 0.08 0.08 0.15
Oil % (max) 0.05 0.05 0.40 0.4
Carbon % (max) 0.50 0.50 0.50 0.50
Acid Number 0.10 0.10 0.40 2.50

The term Acid Number can be contextually defined as the quantity of potassium hydroxide (measured in mg) required to neutralise 1 gram of Molybdenum Disulphide. It is determined at the time of production. Prolonged storage will result in slight oxidation, which will produce an increase in acid number. The smaller particle size grades are more susceptible to surface oxidation.


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