scope:

This International Standard specifies the requirements of greases used for the lubrication of equipment, components of machines, vehicles, etc. The purpose of this International Standard is to provide guidance to suppliers and end users of greases and to equipment manufacturers of grease-lubricated equipment. This International Standard is written in a general form so that its application can accommodate various climatic conditions throughout the world. It also stipulates the requirements for the lubricating grease at the time of the delivery. The classification of family X (greases), which belongs to class L (lubricants, industrial oils and related products), is specified in ISO 6743-9. In this classification, a grease cannot have more than one symbol. This symbol is expected to correspond to the most severe conditions of temperature, water contamination and load in which the grease can be used. NOTE - Greases having the same classification according to ISO 6743-9 and the same specification according this International Standard are not necessarily compatible with each other. Blending of non-compatible greases can lead to equipment failure. Before changing from one grease to another in an equipment, it is preferable to consult the grease suppliers. It is intended that this International Standard be read in conjunction with ISO 6743-9.