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ISO 21575:2026

Raw optical glass — Powder test method for the water resistance of optical glass — Test method and classification ISO 21575:2026

Publication date:   Jan 22, 2026

General information

60.60   Standard published   Jan 22, 2026

ISO

ISO/TC 172/SC 3 Optical materials and components

International Standard

37.020   Optical equipment

Buying

Published

Language in which you want to receive the document.

Scope

This document specifies the general procedures of the powder test method for the water resistance of optical glass.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 21575:2018

NOW

PUBLISHED
ISO 21575:2026
60.60 Standard published
Jan 22, 2026




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