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Secrets of high-temperature grease lubrication to be revealed at Jan. 10 STLE meeting in Toronto

Toronto, ON -- "High" is a relative term when characterizing temperature conditions. There are many criteria to co...


Toronto, ON — “High” is a relative term when characterizing temperature conditions. There are many criteria to consider when selecting a high-temperature grease for hot, grease-lubricated equipment.

Dr. Nicholas Summan of Petro-Canada Lubricants will speak on the subject of High-Temperature Grease at the next STLE Toronto Chapter meeting, Tues. Jan. 10, 2006, at the Old Mill Restaurant in Toronto.

Summan says the selection process for high temperature grease must include consideration of oil type and viscosity, oil viscosity index, thickener type, stability of the oil/thickener composition, additive composition and properties, ambient temperature, operating temperature, atmospheric contamination, loading, speed, relubrication intervals, etc. As result of the various details to resolve, the selection of greases that must accommodate extreme temperature conditions poses some of the more challenging lubrication decisions, he notes.

Samman received a B. Sc. (Honours) in Chemistry in 1969, and a Ph. D in Chemistry in 1972 from Queen’s University of Belfast, N. Ireland. After completing two years of post-doctoral research, he joined the Chemistry Dept. staff at the University of Zambia, Lusaka in 1974 for three years. From 1978-1980 he was employed at the Hydrocarbon Research Centre, University of Alberta, Edmonton, to conduct research in the field of upgrading tar sand bitumen.

Since 1980, he has been involved in various research activities with Gulf Canada and now Petro-Canada Lubricants, which include upgrading bitumen and residua, catalytic hydrotreating, development of long service life lubricants and development/marketing of greases.

He is a member of the NLGI and STLE. He is the recipient of the NLGI Author Award in 1992 and the Chevron U.S.A. Award in 1996.

Reservations for this meeting should be made with Kim Krieber (905-829-6981) or kimk@lubeng.com by Thursday, January 5, 2006. No phone or fax pre-registration means a slight surcharge at the door or at worse having diner elsewhere and rejoining the group for the presentation.

For more information, visit the STLE Toronto Chapter website at www.geocities.com/tostle.