ISO 9689:1990
Raw optical glass — Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 degrees C — Testing and classification
OVERVIEW
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.
COMMENTS
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PRODUCT DETAILS
| Status | Withdrawn - 06 Jan 2026 |
|---|---|
| Edition | 1990 |
| No. of Pages | 8 |
| ICS Classification | 81.040.10 Raw materials and raw glass |
| Committee | ISO/TC 172/SC 3 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |