Standard Specification for Glasses in Laboratory Apparatus
NORMA vydána dne 1.2.2024
Designation standards: ASTM E438-92(2024)
Publication date standards: 1.2.2024
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM
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)