20.60 Apr 17, 2026
ISO
ISO/TC 172/SC 3
International Standard
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.
PUBLISHED
ISO 10629:1996
PROJECT
ISO/WD 10629
20.60
Close of comment period
Apr 17, 2026