Lubricant composition for hot plastic working
AssigneeNihon Parkerizing Co., Ltd.
InventorsYoshihiko Sawazaki, Yasuo Okumura, Nobuichi Arai
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Abstract
A lubricant composition useful for hot plastic working of metal material comprises 100 parts by weight of graphite particles and 2 to 100 parts by weight of particles of at least one metal oxide selected from oxides of Sn, Pb, Zn, Ca, Cu and Al and having an average size of 0.01 to 20.0 .mu.m.
Claims8
A lubricant composition for hot plastic working of metal material comprising 100 parts by weight of graphite particles and 2 to 100 parts by weight of particles of at least one metal oxide selected from the group consisting of tin oxides, calcium oxide, copper oxides and aluminum oxide, and having an average particle size of 0.01 to 20.0 .mu.m.
Dependencies are inferred from the claim text.