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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

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Kehtiv alates 02.09.2025
Tegevusala (ICS grupid)
81.040.10 Toorained ja toorklaas
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
02.09.2025
Põhitekst
22.11.1990
Põhitekst
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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