KLUBERSYNTH BH 72-422

Are you an OEM or operator using rolling bearings at temperatures above 160 °C? Would you like to have an innovative grease closing the "service temperature gap" between conventional, hydrocarbonbased and pure PFPE lubricants? We now offer Klübersynth BH 72- 422, a synthetic high-temperature grease containing ester as well as perfluorinated polyether (PFPE) oils, and a PTFE thickener.

This grease shows good oil retention at high temperature and is thermally stable, which enables Klübersynth BH 72-422 to extend your relubrication intervals at operating temperatures above 160 °C up to 220 °C.

A special feature of Klübersynth BH 72-422 reducing costs is that its density is approx. 1/3 lower than that of PFPE-based lubricants, which results in a higher volume yield.

Among the many applications of Klübersynth BH 72-422 are rolling bearings and guideways running at low speeds, high permanent temperatures and high loads (max. 180 °C at C/P < 8). These may be found in:

Calender or felt-carrying rolls in the pulp and paper industry
Machines in the wood-panel, rubber and plastics industries
Drying cylinders

You can use Klübersynth BH 72-422 to relubricate rolling bearings without prior cleaning even if they have been running with pure PFPE/PTFE, ester, silicone or mineral oil greases. To ensure even better adhesion of the lubricant, it may be advisable to clean the friction point of anticorrosive agent prior to initial lubrication. If the anticorrosive layer is thin, however, cleaning is not necessary. We will be pleased to give advice on the optimisation of lubricant life.

Longer service life than with conventional ester-based greases as the lubricant contains PFPE oil that is extremely resistant to ageing
Innovative hybrid grease technology entails significantly lower consumption cost than with perfluorinated polyether greases
Miscibility with all conventional grease types enables changeover without cleaning
Low-density product for high volume yield compared to fully fluorinated lubricants

Characteristics	Klübersynth BH 72-422
Article number	094072
Composition, thickener	polyurea
Composition, type of oil	ester oil , PFPE
Colour space	beige
Service temperature, lower limit	-20 °C
Service temperature, upper limit	220 °C
Density, Klüber method: PN 024, 20°C	approx. 1.19 g/cm³
NLGI grade, DIN 51818	2
Kinematic viscosity of the base oil, 100°C, calculated data	approx. 34 mm²/s
Kinematic viscosity of the base oil, 40°C, calculated data	approx. 420 mm²/s
SKF-EMCOR, DIN 51802, Klüber method: distilled water, 168 h	≤ 1 corrosion degree
Flow pressure, DIN 51805-2, -20°C	≤ 1400 mbar
Dropping point, DIN ISO 2176 / IP 396	≥ 250 °C
Minimum shelf life from the date of manufacture - in a dry, frost-free place and in the unopened original container, approx.	36 months

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KLUBERSYNTH BH 72-422