BS 4231-1992 工业液体润滑剂粘度等级分类

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标准号:BS 4231-1992
中文标准名称:工业液体润滑剂粘度等级分类
英文标准名称:Classification for viscosity grades of industrial liquid lubricants
标准类型:J21
发布日期:1992/12/15 12:00:00
实施日期:1992/12/15 12:00:00
中国标准分类号:J21
国际标准分类号:75.100
适用范围:This International Standard establishes a system of viscosity classification for industrial liquid lubricants and related fluids. This includes mineral oils used as lubricants, hydraulic fluids, electrical oils and for other applications The usual method for kinematic-viscosity determination is that specified in ISO 3104, but this may give anomalous results when used with non-Newtonian fluids (i.e. those whose coefficient of viscosity varies significantly with rate of shear). For such fluids, it is therefore important to state the particular method by which viscosity has been de-termined. It is also recognized that there may be some pure chemicals and naturally occurring products, used as lubricants, which will not fall within this classifi-cation.

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