BARRIERTA is Europe's oldest high-quality brand of high-temperature lubricants based on perfluorinated polyether oil (PFPE). Today the name of BARRIERTA is widely regarded as synonymous with long-term stability and thermal resistance. Specifically made raw materials and continued development have made BARRIERTA products the first choice of lubrication experts in many sectors worldwide.
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.
Higher machine availability and less need for maintenance
at very high operating temperatures up to 260 °C
under the influence of aggressive media and vapours
where other lubricants might affect sensitive plastic components
Tried and tested over many years in numerous industries and component types
thanks to BARRIERTA base oils, which are made specifically to enable longterm stability
backed by a large number of approvals and references for various applications
Four consistency classes to suit different applications
Applications: 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
BARRIERTA L 55/2 is most frequently used for initial and long-term lubrication. For relubrication softer grades of NLGI class 1 or lower are recommended. Friction points under the influence of media BARRIERTA L 55 greases offer exceptionally long service lifetimes even when exposed to any of a large number of aggressive media such as concentrated acids, lyes, organic solvents or gases. In addition to their resistance to media, BARRIERTA L 55/2 and BARRIERTA L 55/3 offer also good adhesion and a sealing effect, which makes them suitable for application in
valves, fittings and installations e.g. in the chemical industry
pneumatic components
level gauges, e.g. for fuels or chemicals
seals (static, dynamic)
extraction systems
Food-processing and pharmaceutical industries. All BARRIERTA L 55 greases are registered as NSF-H1 and are therefore in compliance with
FDA 21 CFR § 178.3570. The additional certification according to ISO 21469 supports the compliance with the hygienic requirements in your production plant. You will find further information on ISO Standard 21469 on our website www.klueber.com.
White-coloured BARRIERTA L 55 special lubricants can therefore also be used on friction points where occasional contact with food products cannot be ruled out for technical reasons, e.g. in rolling and plain bearings and guides operating under high thermal loads in
automatic baking ovens
cooking or frying lines
conveyor systems
Plastic-plastic friction points BARRIERTA L 55 greases – irrespective of NLGI grade - are neutral towards the majority of plastic materials. Results of pertinent tests with fluoroelastomers can be found overleaf. We recommend testing lubricant compatibility with the materials in question prior to series application.
