This standard specifies the safety level of combustible gas for explosives in coal mines, test materials, instruments, devices, test conditions, test procedures, expression and judgment of test results, etc. This standard is applicable to the test of the safety degree of combustible gas of explosives allowed in coal mines.
GB 18097-2000 history
2000GB 18097-2000 Test method and ajudgment of safety of permissible explosive in inflammable gas