ISO-8424 › Raw optical glass - Resistance to attack by aqueous acidic solutions - Test method and classification
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This document specifies two methods for testing the resistance of raw optical glasses to attack by aqueous acidic solutions and defines a classification of optical glasses according to the acid resistance determined by these methods.
The surface method tests the resistance of the polished plate-shaped optical glass to attack by aqueous acidic solutions at 25 °C for a specified time and indicates the class determined by this method as .SR-S..
The powder method tests the resistance of crushed granular optical glass to attack by an acidic aqueous solution at above 98 °C for 1 h, and indicates the class determined by this method as .SR-P..
To find similar documents by classification:
81.040.10 (Raw materials and raw glass)
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Document Number
ISO 8424:2023
Revision Level
3RD EDITION
Status
Current
Publication Date
July 1, 2023
Committee Number
ISO/TC 172/SC 3