ISO 21920-2:2021

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ISO 21920-2:2021 is a standard that defines surface texture parameters and terms for geometrical product specifications. It also describes the relationship between the functions and parameters of components. 

This document specifies terms, definitions and parameters for the determination of surface texture by profile methods. NOTE 1 The main changes to previous ISO profile documents are described in Annex I. NOTE 2 An overview of profile and areal standards in the GPS matrix model is given in Annex J.