ISO 9689:1990
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ISO 9689:1990
17544

Status : Published (To be revised)

This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
This standard will be replaced by ISO/CD 9689
en
Format Language
std 1 63 PDF
std 2 63 Paper
  • CHF63
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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.

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General information

  •  : Published
     : 1990-12
    : International Standard to be revised [90.92]
  •  : 1
     : 8
  • ISO/TC 172/SC 3
    81.040.10 
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Life cycle

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