Lubricating oil composition for working using sizing press
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United States of America Patent
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Apr 7, 2015
Grant Date -
Jun 28, 2007
app pub date -
Mar 30, 2005
filing date -
Mar 31, 2004
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Abstract
Provided is a lubricating oil composition for sizing which is excellent in machinability and degreasing efficiency and which is excellent in compatibility with an impregnating oil and a sintered metal of oil impregnated bearings. A lubricating oil composition for sizing, including (A) a lubricating base oil having a kinematic viscosity of 0.5 to 100 mm2/s at 40° C. and compounded therein (B) an extreme-pressure agent in an amount of 0.1 to 10% by mass, and (C) a metal deactivator in an amount of 0.01 to 5% by mass, each based on a total amount of the composition.
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