Lubricating oils / Gear oils, circulating oils
Berusynth EP 680
SKU Nr. 10000444 / 9590119
Synthetic EP gear and circulating oil
Berusynth EP 680 is a polyglycol-based EP gear and circulating oil for highly loaded spur, bevel, planetary and worm gears with a very high viscosity index. Berusynth EP 680 provides excellent wear protection, even in applications subject to high pressure loads, shock loads or vibrations.
High loads
High temperatures
Roller bearings
Closed gears
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Product description
Industries
Cement industry, Food industry, Mining, Paper industry
Examples of application
- Heavily loaded spur, bevel and worm gears in rolling mills, crushers, mills, calenders, cranes, conveyor systems and heavy machinery used in open pit mining
- Oil lubricated roller bearings of vertical roller mills and roller presses
- Gear boxes and bearings exposed to continuous operating temperatures above 100 °C
- Gear units with higher oil sump temperatures or requirements regarding extended oil change intervals
Properties
- Excellent wear protection
- Very high ageing resistance
- High load carrying capacity
- Excellent oxidation and shear resistance
- Extended oil changing intervals
- Reduces friction losses in the gear during operation and can thus reduce the oil sump temperature in the gearbox
- Very high viscosity index
Typical Characteristics
Base oil
Polyglycol
Kinematic viscosity at 40 °C
680.0 mm²/s
Kinematic viscosity at 100 °C
103.0 mm²/s
Working temperature range
-25 – 180 °C
Flash point
≥ 250.0 °C
Color/Appearance
clear, colorless to yellowish
Viscosity index
245
Pourpoint
-30 °C
Density at 20 °C
1.000 g/cm³