BH GSO ISO 9689:2022

ISO 9689:1990
Bahraini Standard   Current Edition · Approved on 28 April 2022

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

BH GSO ISO 9689:2022 Files

English 8 Pages
Current Edition Reference Language
26.52 BHD

BH GSO ISO 9689:2022 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.

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