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ISO/TR 22681:2019

Hydraulic fluid power — Impact and use of ISO 11171:2016 µm(b) and µm(c) particle size designations on particle count and filter test data ISO/TR 22681:2019

Publication date:   Sep 6, 2019

General information

60.60 Standard published   Sep 6, 2019

ISO

ISO/TC 131/SC 6 Contamination control

Technical Report

23.100.60   Filters, seals and contamination of fluids

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This document explains the use of the two acceptable methods of reporting particle size, µm(c) and µm(b), that are defined in ISO 11171:2016. It also explains the reasons for the existence of two alternative size reporting methods and its implications with respect to particle count and filter Beta Ratio data.

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PUBLISHED
ISO/TR 22681:2019
60.60 Standard published
Sep 6, 2019