ISO/CD 10629

Raw optical glass — Resistance to attack by aqueous alkaline solutions at 50 degrees C — Test method and classification

General information

Current stage: 30.60 Close of voting/ comment period Aug 26, 2026

Originator: ISO

Owner: ISO/TC 172/SC 3 Optical materials and components

Type: International Standard

Scope

This document specifies a method for testing the resistance of raw optical glasses to attack by aqueous alkaline solutions at 50 °C and a classification of optical glasses according to the aqueous alkaline resistance (alkali resistance) determined by this method.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 10629:1996

NOW

IN_DEVELOPMENT
ISO/CD 10629
30.60 Close of voting/ comment period
Aug 26, 2026