This standard specifies three test methods for explosion-proof performance of copper alloy tool materials. Zone 1 hazardous area This standard applies to explosion-proof copper alloy tools (collectively referred to as explosion-proof tools) used in explosive gas environments such as coal mines, oil fields, oil depots, factories, ships, vehicles, and aircraft.
GB/T 10686-1989 history
2013GB/T 10686-2013 Testing method of copper alloy tools for explosive atmospheres
1989GB/T 10686-1989 Testing methods of copper alloy tools for explosive atmospheres