This standard specifies the product classification, technical requirements, test methods, inspection rules and markings, packaging, transportation, storage, etc. of general and mining intrinsically safe safety barriers. This standard applies to general and mining intrinsically safe safety barriers (hereinafter referred to as "safety barriers").
MT 706-1997 history
2007MT 706-2007 Mine safety barrier for non-explosive atmosphere
1997MT 706-1997 Mine safety barrier for non-explosive atmosphere