BECHEM BERUCOAT AF 438
Inorganic dry film lubricant MoS2 / graphite
Examples of Application
· Plain bearings
· Precision mechanisms in precision mechanics
· For the pre treatment of contacts exposed to high specific surface pressure, such as gears, cam shafts, splined shafts, plain bearings and bushings
· For dry cutting or cold forming of metals in deep drawing processes
Material combinations
· Metal / metal
Properties
· Fast drying
· Pressure resistant
· Prevents stick slip
· Contains pulverised solid lubricants
· Good adhesion on smooth surfaces
· Dust and dirt repellent
· Good radiation resistance
· Minimal evaporation in high vacuum
· Very beneficial to mechanisms subjected to oscillating movements and intermittent service
· Improved running in process
Characteristic data
· Service temperature : -180 °C to +450 °C
· Appearance: black grey
Composition
· MoS2 / graphite
· Inorganic binder
· Organic solvent
|
Density at 25 °C |
g/cm3 | 1.05 – 1.06 |
AA_003-9 acc. to DIN 51757 |
|
Kin. viscosity at 25 °C nozzle 4 |
s | 10.5 – 11.5 |
AA_003-121 acc. to DIN EN ISO 2431 |
|
Solid content |
% | 29 – 31 |
AA_003-120 |
Also available
· Berucoat AF 438 Spray (Product no : 5302419)
Instructions for application
· Parts must be cleaned and degreased thoroughly prior to coating
· Improved adhesion on the surface by : sandblasting and/or phosphatizing
· Anti friction coating must be stirred well before use
· Application by spraying, dipping or tumbling
· Curing time at 23 °C : about 10 minutes (depending on layer thickness)
· Formation of max. hardness : approx. 15 minutes after application
· Optimal thickness of coating : approx. 15 – 20 μm
Shelf life
· At least 24 months from date of production when stored at ambient temperatures (approx. 20 °C) in the original sealed container