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
BHD
30.74
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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