A rust preventive composition which is obtained by blending at least one base oil selected from the group consisting of a hydrocarbon solvent, a mineral oil and a synthetic oil with, as essential components,
(A) an organophosphoric ester calcium salt represented by the following general formula (1) in an amount of 0.1 to 5.0% by mass based on the total mass of the composition
wherein R1 and R2 are each an alkyl group having 6 to 18 carbon atoms; and a and b are each an integer of 1 to 6,
(B) water in an amount of 0.1 to 3.0 parts by weight based on 1 part by weight of the component (A), and
(C) a rust inhibitor in an amount of 2.0 to 30% by mass based on the total mass of the composition.
一种防锈组合物,由至少一种从烃类溶剂、矿物油和合成油中选出的基础油作为基本成分混合而成、
(A) 下述通式(1)所代表的有机
磷酸酯
钙盐,其用量为组合物总质量的 0.1 至 5.0%(以质量计
其中 R1 和 R2 分别为具有 6 至 18 个碳原子的烷基;a 和 b 分别为 1 至 6 的整数、
(B)
水,以 1 份组分(A)的重量计,
水的用量为 0.1 至 3.0 份(按重量计),以及
(C) 以组合物总重量计算,防锈剂的用量为 2.0 至 30%(按重量计)。