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ISO 21256-2:2020

Fine bubble technology — Cleaning applications — Part 2: Test method for cleaning machine-oil stained surfaces of machined metal parts ISO 21256-2:2020

Publication date:   Jan 16, 2020

General information

90.92   Standard to be revised   Nov 17, 2025

ISO

ISO/TC 281 Fine bubble technology

International Standard

07.030   Physics. Chemistry

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Scope

This document specifies a test method for removal of machine oil stain from a noncorrosive metal surface using fine bubble water. A test is provided to show the comparative cleaning advantage of adding fine bubbles to the water.

Life cycle

NOW

PUBLISHED
ISO 21256-2:2020
90.92 Standard to be revised
Nov 17, 2025

REVISED BY

IN_DEVELOPMENT
ISO/DIS 21256-2




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