Draft
International Standard
ISO/DIS 9689
Raw optical glass — Resistance to attack by aqueous alkaline phosphate-containing detergent solutions at 50 degrees C — Testing and classification
Reference number
ISO/DIS 9689
Edition 2
© ISO 2025
Draft International Standard
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Under development
This Draft International Standard is in the enquiry phase with ISO members.
Will replace ISO 9689:1990

ISO/DIS 9689

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Format
CHF 65
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Abstract

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.

General information

  • Status
     : Under development
    Stage
    : Close of voting [40.60]
  • Edition
     : 2
    Number of pages
     : 11
  • Technical Committee :
    ISO/TC 172/SC 3
    ICS :
    81.040.10 
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Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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