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

And more…