ISO 9689:1990

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

Publication date: Nov 22, 1990

General information

Current stage: 90.60 Effective date: Jun 5, 2021

Originator: ISO

Owner: ISO/TC 172/SC 3

Type: International Standard

ICS: 81.040.10

Languages: French English

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Status: 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
90.60 Close of review
Jun 5, 2021

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