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ISO 9689:2025

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

This document specifies a method for testing the resistance of raw optical glasses to attack by aqueous alkaline phosphate-containing detergent solutions (phosphate solutions) at 50 °C and a classification of optical glasses according to the aqueous alkaline phosphate-containing detergent resistance (phosphate resistance) determined by this method.

 

This document is applicable to samples of raw optical glasses.

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International Organization for Standardization [iso]

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