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>ISO Standards>ISO 9689:2025-Raw optical glass — Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 °C — Testing and classification
immediate downloadReleased: 2025
ISO 9689:2025-Raw optical glass — Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 °C — Testing and classification

ISO 9689:2025

ISO 9689:2025-Raw optical glass — Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 °C — Testing and classification

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English PDF
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French Hardcopy
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Standard´s number:ISO 9689:2025
Pages:11
Edition:2
Released:2025
DESCRIPTION

ISO 9689:2025


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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