ISO/DIS 9689

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

General information

Current stage: 40.20 Effective date: 25 tet 2024

Originator: ISO

Owner: ISO/TC 172/SC 3

Type: International Standard

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

PREVIOUSLY

PUBLISHED
ISO 9689:1990

NOW

IN_DEVELOPMENT
ISO/DIS 9689
40.20 DIS ballot initiated: 12 weeks
25 tet 2024

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