Aktívna norma | Vydaná: 01.02.2024

ASTM E438-92(2024)

Standard Specification for Glasses in Laboratory Apparatus

Dostupné jazyky: Anglicky

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Podrobné informácie

Označenie: ASTM E438-92(2024)

Dátum vydania: 01.02.2024

Stránok: 3

Krajina: Americká technická norma

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Anotácia

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.

Keywords:
glasses, laboratory,, ICS Number Code 71.040.20 (Laboratory ware and related apparatus),81.040.30 (Glass products)

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