BECHEM BERULUB FK 60
Lubricant for electrical contacts
Examples of Application
· Anti noise grease for car switches (Reduced of propagation of acoustic waves)
· Small gears
· Fine mechanical instruments
· Circuit breakers in medium voltage plants particularly in the presence of SF6 quencher gas
Material combinations
· Copper / copper
· Plastic / plastic
· Copper / silver
Properties
· Protects against impurity layers and spark formation
· No drop point
· Very good low temperature properties
· Water repellent
· Good corrosion protection
· Good adhesion
· Resistant to oxidation
· Noise damping
· Resistant to cold and hot water, water steam as well as aqueous alkaline, acid disinfecting and cleaning agents
Characteristic data
· Service temperature : -50 °C to +160 °C
· Appearance : beige
· NLGI grade : 2
· Denomination acc. to DIN 51502 : MHC 2 P-50
Thickener |
Polyurea | ||
Worked penetration |
1/10 mm | 265 – 295 | DIN ISO 2137 |
Drop point |
°C | ≥ 240 | IP 396 |
Copper corrosion test (24 h/100 °C) |
degree of corrosion | 1 | DIN 51811 |
Water resistance |
evaluation grade | 0 – 90 |
DIN 51807-1 |
Flow pressure at -35 °C | mbar | ≤ 600 |
DIN 51805 |
Base oil |
Poly alpha olefin |
||
Kin. viscosity at 40 °C | mm2/s | approx. 30 |
DIN 51562 |
Kin. viscosity at 100 °C | mm2/s | approx. 6 |
DIN 51562 |
Instructions for use
· Prior to serial production compatibility tests are recommended