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NBN ISO 21575:2026
Raw optical glass — Powder test method for the water resistance of optical glass — Test method and classification
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Summary
This document specifies the general procedures of the powder test method for the water resistance of optical glass.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 06/18/2026 |
| Page Count | 0 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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