Molybdenum Disulfide

Molybdenum Disulfide


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Most custom blends of dry lube contain a portion of this type of lube. Here’s your chance to make your winning blend! Enough to play with to get your experiment down to a reasonable price.

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 moly Molybdenum Disulfide bullet coating




Color: Black
Specific Gravity(1) at 25°C (77°F): 4.8
Particle Size, average/maximum microns: 4.3/62
Molybdenum Disulfide Content percent: 98.7
Coefficient of Friction(2): 0.04
Chemical Stability: Inert in most common solvents; can be dissolved only by strong oxidizing acids
Temperature Range Lubrication characteristics: relatively unchanged from -226 to
399°C (-375 to 750°F)

Radiation Exposure: Undamaged by 5 X 109 roentgens gamma radiation
Oxygen Exposure: Successfully used on bearing surfaces exposed to either liquid or gaseous oxygen under extreme impact conditions
Vacuum Exposure: Effective in a vacuum to 10-9 torr

1Solid material; not bulk density.
2Test Conditions – Faville LeValley,


Size:  1oz


Additional information

Weight0.02 oz


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There are a problem with the BSA Wheels. I have very limited amount of sets left that are machinable that do not wobble.
Matched inner bore will not be available. #15 molds are no longer premium wheels. Please watch this video:

Just to be clear, I do not sell wheels that wobble. I will not sell junk wheels. I rather have no sales, than have my name associated with junk wheels.
The wheels that you see in the video are thrown away. They are not used.

BSA is aware of the problems, I am the second person to file formal complaint. Just remember I buy from same place you do.
I have been instructed by national scoutshop not to place another order for wheels. So at some point I will run out. I have no special inside line for a better product.