| 摘要 |
PCT No. PCT/EP95/04418 Sec. 371 Date Jul. 16, 1997 Sec. 102(e) Date Jul. 16, 1997 PCT Filed Nov. 9, 1995 PCT Pub. No. WO96/15210 PCT Pub. Date May 23, 1996An ester based lubricant, particularly suitable for 4-stroke engines comprises at least one ester of a saturated, branched chain monohydric alcohol having at least 8 carbon atoms and a saturated branched chain aliphatic monocarboxylic acid having at least 10 carbon atoms. The esters have a kinematic viscosity of at most 35 cSt (40 DEG C.), a non-polarity index of at least 100, a Noack evaporation loss of at most 10% and a pour point below -30 DEG C.
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