Patent ID: 6231635
Filing Date: 2001-05-15
Classification: B22F

Abstract:
Lubricant for powder metallurgical compositions containing10-60% by weight of a lithium salt of a fatty acid;10-40% by weight of a zinc salt of a fatty acid and40-80% by weight of a fatty acid bis-amide selected from the group consisting of methylene bis-lauramide, methylene bis-myristamide, methylene bis-palmitamide, methylene bis-stearamide, ethylene bis-behenamide, methylene bis-oleamide, ethylene bis-lauramide, ethylene bis-myristamide, ethylene bis-palmitamide, ethylene bis-stearamide, ethylene bis-behenamide, ethylene bis-montanamide and ethylene bis-oleamide,wherein 20-60% by weight of the lubricant is made up by the lithium and the zinc salt, andwherein said lubricant is in the form of a molten, micronized powder.