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ISO 9689:1990

Raw optical glass — Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 degrees C — Testing and classification

Nov 22, 1990

General information

90.92     Dec 27, 2023

ISO

ISO/TC 172/SC 3

International Standard

81.040.10  

French   English  

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Published

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Scope

Specifies a method for testing the resistance of raw optical glasses and a classification of optical glasses according to the aqueous alkaline phosphate-containing detergent resistance (phosphate resistance) determined by this method.

Life cycle

NOW

PUBLISHED
ISO 9689:1990
90.92 Standard to be revised
Dec 27, 2023

REVISED BY

IN_DEVELOPMENT
ISO/DIS 9689