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Klüber BARRIERTA L 55/3
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Klüber BARRIERTA L 55/3
High-temperature long-term greases
Application Klüber BARRIERTA L 55/3
Rolling and plain bearings subject to high temperatures One of the well-known strengths of the BARRIERTA L 55 series is the products' suitability for the lubrication of bearings and guides operating under extreme temperatures. A low evaporation rate enables longest grease lives and hence longest relubrication intervals. Typical applications include:
- conveyors (load and turn rollers)
- kiln cart wheel bearings
- calender bearings
- fan bearings
- chain bearings in film stretching stenters
Performance, Features & Benefits of Klüber BARRIERTA L 55/3 are:
- Higher machine availability and less need for maintenance at very high operating temperatures up to 260 °C
- Higher machine availability and less need for maintenance under the influence of aggressive media and vapours
- Higher machine availability and less need for maintenance when used with plastics and sealing materials
- Reliable operation in numerous industries and component types thanks to BARRIERTA base oils, which are made specifically to enable long-term stability
- Reliable operation in numerous industries and component types backed by a large number of approvals and references for various applications
- Reliable operation in numerous industries and component types four consistency classes to suit different applications
If you have any questions, please contact OilOnline Technical Helpdesk
Product Description Klüber BARRIERTA L 55/3
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. We are committed to live up to this good reputation. BARRIERTA L55 series products are made from clearly specified raw materials and the production and quality of the end product is closely monitored. BARRIERTA L 55/0-3 series long-term greases offer excellent resistance to high temperature and aggressive media and at the same time compatibility with plastics and elastomers. The lubricants were developed for incidental contact with products and packaging materials in the food-processing, cosmetics, pharmaceutical or animal feed industries. BARRIERTA L 55/0-3 are NSF H1 registered and therefore comply with FDA 21 CFR § 178.3570. The use of BARRIERTA L 55/0-3 can contribute to increase reliability of your production processes. We nevertheless recommend conducting an additional risk analysis, e.g. HACCP.
Typical Characteristics
| Product specifications : | Klüber BARRIERTA L 55/3 | |
| Article number | 090014 | |
| NSF-H1 registration | 129 562 | |
| Chemical composition, type of oil | PFPE | |
| Chemical composition, solid lubricant | PTFE | |
| Lower service temperature | -30 °C / -22 °F | |
| Upper service temperature | 260 °C / 500 °F | |
| Colour space | white | |
| Density at 20 °C | approx. 1.96 g/ cm³ |
|
| NLGI grade | DIN 51818 | 3 |
| Shear viscosity at 25 °C, shear rate 300 s-1, equipment: rotational viscometer, lower limit value |
11 000 mPas | |
| Shear viscosity at 25°C, shear rate 300 s-1, equipment:rotational viscometer, upper limit value |
17 000 mPas | |
| Kinematic viscosity of the base oil, 40 °C | DIN 51562 pt. 01/ ASTM D-445/ASTM D 7042 |
approx. 420 mm²/s |
| Kinematic viscosity of the base oil, 100 °C | DIN 51562 pt. 01/ ASTM D-445/ASTM D 7042 |
approx. 40 mm²/ s |
| 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: -30 °C |
DIN 51805-2 | <= 1 400 mbar |
| Flow pressure of lubricating greases, test temperature: -40 °C |
DIN 51805 | |
| Four-ball tester, welding load | DIN 51350 pt. 04 | >= 8 000 N |
| Speed factor (n x dm) | approx. 300 000 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 results we recommend cleaning all friction points with white spirit 180/210 and then with Klüberalfa XZ 3-1 prior to initial lubrication. Subsequently, the friction points should be dried with clean dry compressed air or hot air to remove all solvent residues.
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