General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 21921-2008
Scope
This standard specifies the test device, specimen, test procedure and result calculation used in testing the tensile strength of impermeable graphite materials. This standard applies to the determination of the tensile strength of impermeable graphite materials.
GB/T 21921-2008 Referenced Document
GB/T 13465.1 Test method of impermeable graphite materials.Part 1:General of test method for mechanical properties*, 2014-09-03 Update