Klüber ISOFLEX TOPAS NB 5051
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Klüber ISOFLEX TOPAS NB 5051
Synthetic long-term grease
Application Klüber ISOFLEX TOPAS NB 5051
ISOFLEX TOPAS NB 5051 is used for plain and rolling bearings (e.g. in automotive engineering) and for gas meters. It is also used in small gears, where it reduces the noise produced by the gear wheels. ISOFLEX TOPAS NB 5051 is also suitable for the lubrication of tooth flanks in precision gears (e.g. bevel gears in milling machines, electromechanical actuators for valves). Its good adhesion on smooth surfaces makes it ideal for the running-in lubrication (assembly) of plastic and composite bearings.
Performance, Features & Benefits of Klüber ISOFLEX TOPAS NB 5051 are:
- Synthetic long-term lubricating grease for a wide service temperature range
- Low starting and running torque
- Good wear protection
- Good corrosion protection
- Resistant to oxidation and ageing
If you have any questions, please contact OlieOnline Technical Helpdesk
Product Description Klüber ISOFLEX TOPAS NB 5051
ISOFLEX TOPAS NB 5051 is a beige-colored, homogeneous, short-fibred long-term grease for a wide service temperature range. It is a dynamically light grease consisting of synthetic hydrocarbon oil and barium complex soap. The barium complex soap used is not classified as harmful under the EU Directives on dangerous substances. ISOFLEX TOPAS NB 5051 ensures low starting and running torques. In addition, it is resistant to oxidation and ageing, and protects reliably against corrosion.
Typical Characteristics
| Product specifications | Method |
Klüber ISOFLEX TOPAS NB 5051 |
|
| Article number | 004128 | ||
| Chemical composition, type of oil | synthetic hydrocarbon oil | ||
| Chemical composition, thickener | barium complex soap | ||
| Lower service temperature | -60 °C / -76 °F | ||
| Upper service temperature | 130 °C / 266 °F | ||
| Colour space | beige | ||
| Texture | short-fibred | ||
| Texture | homogeneous | ||
| Density | 20°C | approx. 0,91 g/cm³ | |
| Worked penetration, lower limit value | 25°C | DIN ISO 2137 | 385 x 0,1 mm |
| Worked penetration, upper limit value | 25°C | DIN ISO 2137 | 415 x 0,1 mm |
| Kinematic viscosity of the base oil | 40°C | DIN 51562 pt.01/ASTM D-445/ASTM D 7042 | approx. 30 mm²/s |
| Kinematic viscosity of the base oil | 100°C | DIN 51562 pt.01/ASTM D-445/ASTM D 7042 | approx. 5,9 mm²/s |
| Shear viscosity, shear rate 300 s-1, equipment: rotational viscometer, lower limit value | 25°C | 700 mPas | |
| Shear viscosity, shear rate 300 s-1, equipment:rotational viscometer, upper limit value | 25°C | 1 500 mPas | |
| Corrosion inhibiting properties of lubricating greases, (SKF-EMCOR), test duration: 1 week, distilled water |
DIN 51802 | <= 1 corrosion degree | |
| Flow pressure of lubricating greases | test temperature: -60°C | DIN 51805-2 | <= 1 400 mbar |
| Drop point | >= 170 °C | DIN ISO 2176, IP 396 | |
| Minimum shelf life from the date of manufacture - in a dry, frost-free place and in the unopened original container, approx. |
36 months |
Application notes
The lubricant is applied by brush or conventional metering systems. Gears are dip-feed lubricated. Owing to the different compositions of elastomers and plastic materials, compatibility tests are indispensable before series application.
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