OKS 4220 – Grasime pentru rulmenți la temperaturi extreme
Extreme-temperature grease on the basis of perfluorinated polyether oils (PFPE) for use in food processing technology at maximum loads and temperatures.
Grease lubrication of friction and rolling bearings in the high-temperature range
Application, for example at tunnel kiln cars, baking, burn-in and drying furnaces, hot gas units, reaction vessels, boiler plants, roller and conveyor rollers in continuous furnaces, etc.
Use at bearing points under influence of chemicals/fuel
Advantages and benefits
Maximum water and steam resistance
Extraordinary resistance to chemicals, for example to solvents, for example benzene, benzol, acetone, trichloroethylene and against inorganic acids, such as sulphuric acid, hydrochloric acid and nitric acid as well as stearic acids, alcohols and halogens
Excellent plastic and elastomer compatibility
For long-term lubrication of lubrication points subjected to high pressure up to 300°C
Operating temperature:-40 °C → +280 °C
NLGI grade:2
DN factor (dm x n):500,000 mm/min
Base oil viscosity (40 °C):390 mm²/s
Four-ball test rig (welding load):> 10,000 N