
Raw optical glass — Powder test method for the water resistance of optical glass — Test method and classification
NORM herausgegeben am 22.1.2026
Designation standards: ISO 21575:2026-ed.2.0
Publication date standards: 22.1.2026
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: International technical standard
Kategorie: Technische Normen ISO
Description / Abstract: This document specifies the general procedures of the powder test method for the water resistance of optical glass.