This special protective clothing usually used to protect workers who may be exposed to electric arc injuries, mainly used to protect against high temperature and flame injuries; reduce the probability of injury in a potentially arc-hazardous environment. Suitable for power generation, transmission, substation, distribution and electricity process engaged in operation, commissioning, overhaul and maintenance personnel. The product complies with DL/T 320-2019, ASTM F 1959, GB 8965.4-2022 standards.