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RUST PROOF RUST PREVENTIVE GREASE COMPOSITION, GREASE FILLED BEARING AND RUST PREVENTIVE AGENT FOR GREASE COMPOSITION
RUST PROOF RUST PREVENTIVE GREASE COMPOSITION, GREASE FILLED BEARING AND RUST PREVENTIVE AGENT FOR GREASE COMPOSITION
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机译:防锈防锈油脂成分,油脂填充轴承和防锈油脂成分
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摘要
The present invention provides a rust resisting grease composition showing an excellent rust resisting performance without using nitrites and the grease composition-enclosed bearing. The rust resisting grease composition contains a base oil, a thickener, and a rust resisting component. The rust resisting component contains a metallic salt of a polybasic acid, a polyvalent alcohol in which a part of a hydroxyl group is blocked, and at least one compound selected from an organic sulfonate and a fatty ester. The content of the component is 0.1 to 10 parts by weight based on the total amount of the base oil and the thickener. The base oil contains at least one oil selected from synthetic hydrocarbon oil and ether oil. The thickener is a urea thickener. The content of the thickener is 5 to 30 parts by weight based on the total amount of the base oil and the thickener.
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