标准编号：ISO 12925-2:2020
中文名称：润滑油、工业用油及相关产品（L类） C类（齿轮） 第2部分：CKH、CKJ和CKM类规范（开式和半封闭式齿轮系统润滑油）
英文名称：Lubricants, industrial oils and related products (class L) — Family C (gears) — Part 2: Specifications of categories CKH, CKJ and CKM (lubricants open and semi-enclosed gear systems)
发布日期：2020-09
标准范围
This document establishes an extended classification which includes sub-categories of environmentally acceptable lubricants and specifies the minimum requirements for mineral or synthetic based lubricants for the categories CKH, CKJ and CKM, according to ISO 6743-6, and their sub-categories of environmentally acceptable lubricants, intended for the lubrication of open and semi-enclosed gears.
This document covers the lubricants applied in the open and semi-enclosed gear systems most currently encountered in the industry. It does not cover the extreme cases of use with regards to temperature and extreme charges conditions.
NOTE 1 For use in exceptional conditions, suppliers and purchasers of lubricants can mutually agree on additional testing methods and acceptability criteria of the products.
NOTE 2 This document can be read in conjunction with ISO 6743-6.
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