This standard specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of high-expansion foam fire extinguishing agents for coal mines. This standard applies to high-expansion foam fire-extinguishing agents (hereinafter referred to as fire-extinguishing agents) used in coal mines.
MT/T 695-1997 history
1997MT/T 695-1997 General technical condition of high-ratio-foam fire extinguish agent for coal mine