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Klüber ISOFLEX TOPAS NB 52
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Klüber ISOFLEX TOPAS NB 52
Synthetic rolling and plain bearing greases
Application Klüber ISOFLEX TOPAS NB 52
ISOFLEX TOPAS NB 52 is a versatile grease for many applications, e.g.
- rolling and plain bearings subject to high speeds and loads, also for low temperatures,
- tooth flanks in precision gears, e.g. bevel gears in milling machines, electromechanical actuators for valves,
- electric contacts and components to reduce insertion forces.
In addition, ISOFLEX TOPAS NB 152 is compatible with many plastics. ISOFLEX TOPAS NB 152 is primarily used for rolling and plain bearings, for example wheel bearings in racing cars, fan bearings, pump bearings. The grease is also suitable for plastic/ plastic or steel/plastic friction points.
Performance, Features & Benefits of Klüber ISOFLEX TOPAS NB 52 are:
- Longer component life when exposed to water or aqueous media due to special thickener
- Many years of successful use in the automotive and machine building industries
If you have any questions, please contact OilOnline Technical Helpdesk
Product Description Klüber ISOFLEX TOPAS NB 52
ISOFLEX TOPAS NB 52 and ISOFLEX TOPAS NB 152 are rolling and plain bearing greases based on a synthetic hydrocarbon oil and a barium complex soap. The special barium-soap thickener used in the ISOFLEX TOPAS NB 52 and 152 greases offers good load-carrying capacity as well as resistance to water and ambient media unlike other soap-based thickeners. Both products show good protection against corrosion as well as oxidation and ageing stability. The Klüber barium complex soap is ELINCS-registered and approved by GASG (Global Automotive Stakeholders Group). ISOFLEX TOPAS NB 152 can be used in a wide service temperature range from -40 °C to 150 °C. ISOFLEX TOPAS NB 52 is suitable for temperatures between -50 °C to 120 °C and short peak temperatures up to 150 °C depending on the application, e.g. enclosed gears, car seat adjustment mechanisms.
Typical Characteristics
| Product specifications : | Klüber ISOFLEX TOPAS NB 52 | |
| Article number | 004131 | |
| Chemical composition, thickener | barium complex soap |
|
| Chemical composition, type of oil | synthetic hydrocarbon oil |
|
| Lower service temperature | -50 °C / -58 °F | |
| Upper service temperature | 120 °C / 248 °F | |
| Colour space | beige | |
| Texture | homogeneous | |
| Texture | short-fibred | |
| Density at 20 °C | approx. 0.96 g/cm³ | |
| Worked penetration, 25 °C, lower limit value | DIN ISO 2137 | 265 x 0.1 mm |
| Worked penetration, 25 °C, upper limit value | DIN ISO 2137 | 295 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 at 25 °C, shear rate 300 s-1, equipment: rotational viscometer, lower limit value |
4 000 mPas | |
| Shear viscosity at 25°C, shear rate 300 s-1, equipment:rotational viscometer, upper limit value |
8 000 mPas | |
| Corrosion inhibiting properties of lubricating greases, (SKF-EMCOR), test duration: 1 week, distilled water | DIN 51802 |
0 corrosion degree |
| Copper corrosion, (lubricating grease), 24h/100°C | DIN 51811 | 1 - 100 corrosion degree |
| Copper corrosion, (lubricating grease), 24h/120 °C | DIN 51811 | |
| Oil separation, after 30 h/100 °C |
ASTM D 6184 [FTMS 791 C 321] | <= 3 % by weight |
| Drop point | DIN ISO 2176, IP 396 | >= 240 °C |
| Oxidation stability of lubricating greases, 100 h/99 °C, pressure drop |
ASTM D942 | <= 0.3 bar |
| Speed factor (n x dm) | approx. 1 000 000 mm/min |
|
| Water resistance, 3 h/90 °C, rating | DIN 51807 pt. 01 | <= 1 - 90 |
| Minimum shelf life from the date of manufacture - in a dry, frostfree place and in the unopened original container, approx. | 36 months |
Application notes
The greases are applied by spatula, brush, grease gun or cartridge. Sprays should not be exposed to direct sunlight and temperatures above 50 °C.
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