ASTM-E438 › Historical Revision Information
Standard Specification for Glasses in Laboratory Apparatus
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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.
Scope
1.1 This specification covers the glasses commonly used to manufacture laboratory glass apparatus.
1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Keywords
glasses; laboratory;
To find similar documents by ASTM Volume:
14.04 (Laboratory Apparatus; Degradation of Materials; SI; Oxygen Fire Safety)
To find similar documents by classification:
71.040.20 (Laboratory ware and related apparatus)
81.040.30 (Glass products Bottles, pots, jars, see 55.100 Laboratory glassware, see 71.040.20)
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Document Number
ASTM-E438-92(2018)
Revision Level
1992 R18 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
Jan. 1, 2018
Document Type
Specification
Page Count
3 pages
Committee Number
E41.01