Guiding member in the form of a metal ring for assembly with friction and with the articulating and/or sliding capability of a shaft

Grease, mechanical component, and method for producing grease

Perfluoropolyether extraction processes

Recovery of perfluorinated polyether oils from grease matrices incorporating extraction aids by carbon dioxide extraction

Guiding member in the form of a metal ring for assembly with friction and with the articulating and/or sliding capability of a shaft

Lubricant composition and bearing using same

Brown grease separator

Lubricant composition and bearing using same