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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

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 9689:2025
Document Year: 2025
Pages: 11
Edition: 2

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ISO 9689:2025
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