This standard specifies the test equipment for testing the stress relaxation of flexible graphite plates, the specifications and shapes of the specimens, test procedures and calculation methods for test results. This standard is applicable to the stress relaxation test of flexible graphite plates with a thickness of not less than 0.3 mm and a density of not less than 0.90 g/cm^(3).
JB/T 6625-1993 history
2008JB/T 7758.7-2008 Test method for stress relaxation of flexible graphite sheets
1993JB/T 6625-1993 Test method for stress relaxation of flexible graphite plates
JB/T 6625-1993 Test method for stress relaxation of flexible graphite plates was changed to JB/T 7758.7-2008 Test method for stress relaxation of flexible graphite sheets.