HOT OR HALF-HOT METAL FORMING GREASE Russian patent published in 2004 - IPC

FIELD: metalworking and lubricants. SUBSTANCE: grease contains, wt %: graphite 12.5-25.0, metal oxide 7.5-12.0, sodium phosphate 3-7, alkali metal silicate 2-5, alkali metal carbonate 0.5-3, lignosulfonate 0.2-0.5, water-soluble cellulose polymer 0.3-1.5, oxyethylated alkylphenol 0.5-2.0, and water - the balance. Colloidal graphite with particle size below 4 mcm, sodium silicate, sodium carbonate, and industrial-grade lignosulfonate are preferably used. EFFECT: acquired blast-proofness and fire safety, environmental purity, heat resistance, good adhesion to greased surface, good moistening, and low friction factor. 5 cl, 2 tbl