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Klüber BARRIERTA KM 192
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BARRIERTA KM 192
High-temperature and long-term lubricants with good resistance to low temperatures
Application BARRIERTA KM 192
Rolling bearings and guideways BARRIERTA K greases are highly suitable for the long-term lubrication of rolling and plain bearings, where only low driving power is available and where long-term stability is required under changing environmental loads. Even at extremely low temperatures, BARRIERTA K greases are soft enough so as not to overload low-power drive units, while on the other hand they withstand temperatures as high as 200°C and beyond. BARRIERTA K greases are used for a wide range of applications as for-life lubricants in automotive, electrical and precision engineering. Valves and seals The BARRIERTA K greases good temperature resistance and their compatibility with plastics and elastomers – which is typical of PFPE lubricants – make them highly suitable for the lubrication of engine valves and seals as are found in hydraulic cylinders. BARRIERTA K greases enable long runtimes with low noise generation and low friction coefficients. The resistance of BARRIERTA KM 192 against brake fluids, type DOT 3, 4, 5 and 5.1, has been confirmed in an individual test. Compatibility with elastomers and plastics BARRIERTA K grease stand out for their neutral behaviour towards elastomers and plastics. Owing to the many different varieties of elastomers and plastics and varying operating conditions, we recommend checking their compatibility with the component material prior to series application.
Performance, Features & Benefits of BARRIERTA KM 192 are:
- Long component life over a wide service temperature range
- Long component life when exposed to aggressive chemical agents
- Long component life due to a long calculated grease life
- Improved component performance due to low starting torques even at low temperatures
- Improved component performance due to resistance to high speeds
- Improved component performance due to friction values being largely independent of temperature
If you have any questions, please contact OilOnline Technical Helpdesk
Product Description BARRIERTA KM 192
BARRIERTA is Europe's oldest high-quality brand of hightemperature lubricants based on perfluorinated polyether oil (PFPE). Today the name of BARRIERTA is widely regarded as synonymous with long-term stability and thermal resistance. BARRIERTA greases are the first choice of lubrication experts in many sectors worldwide. BARRIERTA K greases enable long-term use under high temperatures and influence of media, while at the same time requiring low running torques at low temperatures. This was made possible by Klüber's careful selection of raw materials and the specifically developed thickener.
Typical Characteristics
| Product specifications : | BARRIERTA KM 192 | |
| Article number | 090122 | |
| Chemical composition, type of oil | PFPE | |
| Chemical composition, solid lubricant | PTFE | |
| Lower service temperature | -50 °C / -58 °F | |
| Upper service temperature | 260 °C / 500 °F | |
| Density at 20 °C | approx. 1.90 g/cm³ | |
| NLGI grade | DIN 51818 | 2 |
| 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 | |
| Kinematic viscosity of the base oil, 40 °C | DIN 51562 pt. 01/ASTM D-445/ASTM D 7042 |
approx. 190 mm²/s |
| Kinematic viscosity of the base oil, 100 °C | DIN 51562 pt. 01/ASTM D-445/ASTM D 7042 |
approx. 34 mm²/s |
| Corrosion inhibiting properties of lubricating greases, (SKFEMCOR), test duration: 1 week, distilled water | DIN 51802 | <= 1 corrosion degree |
| Flow pressure of lubricating greases, test temperature: -50 °C | DIN 51805-2 | <= 1 400 mbar |
| Flow pressure of lubricating greases, test temperature: -60 °C | DIN 51805-2 | |
| Low-temperature torque, - 60 °C, start | IP 186 | |
| Low-temperature torque, -60 °C, running | IP 186 | |
| Low-temperature torque, -40 °C, start | IP 186 | <= 1 000 mNm |
| Low-temperature torque, -40 °C, running | IP 186 | <= 100 mNm |
| Speed factor (n x dm) | approx. 600 000 mm/ min |
|
| Minimum shelf life from the date of manufacture - in a dry, frost-free place and in the unopened original container, approx. |
60 months |
Application notes
For optimum lubrication results, we recommend cleaning the friction points with white spirit 180/210 and then Klüberalfa XZ 3-1. Upon cleaning apply clean dry compressed air or hot air to remove any remaining white spirit residues. For initial lubrication, the friction point must be clean and bright (i.e. free from oil, grease or perspiration) and free from particles. The various technical sales departments at Klüber Lubrication may be contacted at any time to ensure optimum results with this special lubricating grease.
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