FIELD: chemistry.
SUBSTANCE: lubricant is a mixture of fine-powder components with mean particle size of not more than 150 mcm. The lubricant contains: (a) a secondary and/or tertiary calcium phosphate compound, (b) a fatty acid or salt thereof, (c) boric acid, a boric acid salt (borate) and/or a mineral containing a boric acid salt and (d) condensed alkali metal phosphates, and does not contain any graphite additives.
EFFECT: maintaining looseness and fluidity without lumping during storage, decomposition of cinder formed on a hot metal surface while avoiding use of graphite in the lubricant.
12 cl, 1 tbl
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SU1498378A3 |
