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Standard

ASTM E438:92(2018)

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Note: Latest version: ASTM E438:92(2024)

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Abstract

This specification covers the glasses commonly used to manufacture laboratory glass apparatus. Three types of glasses are included: Type I, Class A which is a low-expansion borosilicate glass, Type I, Class B which is an alumino-borosilicate glass, and Type II which is a soda-lime glass. Different tests shall be conducted in order to determine the following properties of glasses: linear coefficient of expansion, annealing point, softening point, density, and chemical durability.

Products specifications

  • Standard from ASTM
  • Published:
  • Edition: 92(2018)
  • Document type: IS
  • Pages
  • Publisher: ASTM
  • Distributor: ASTM
  • ICS: 71.040.20
  • ICS: 81.040.30

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