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发明公开
CN109135887A 中速机油组合物及其用途 无效 - 驳回

中速机油组合物及其用途
摘要：
本发明涉及一种中速机油组合物及其用途，主要解决现有技术中中速机油清净性能、抗氧性、水分离性能存在的不足。所述组合物以重量份数计由以下组份组成：a)10～90份II类基础油；b)0.5～40份I类光亮油；c)0.5～8份清净剂；d)0.2～8份分散剂；e)0.1～4份抗氧剂；f)0.1～4份抗磨剂；g)0.01～3份抗泡剂。所述中速机油组合物可用于四冲程中速筒状活塞柴油机的润滑与密封。
摘要（英）：

The invention relates to a medium speed engine oil composition and application thereof, and aims at solving the existing defects of clearing performance, oxidation performance and water separation performance of medium speed engine oil in the prior art. The composition comprises, by weight, a) 10-90 parts of class II base oil, b) 0.5-40 parts of class I bright stock, c) 0.5-8 parts of clearing agent, d) 0.2-8 parts of dispersing agent, e) 0.1-4 parts of antioxidant, f) 0.1-4 parts of anti-wear agent and g) 0.01-3 parts of anti-foaming agent. The medium speed engine oil composition can be usedfor the lubricating and sealing of four-stroke cycle medium speed cylindrical piston diesel engine.

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