The thermal protection performance of protective clothing is a key test item for many protective clothing. Since people wear such clothing to work in dangerous environments, such as fire scenes or rescue moments and other high-temperature working environments, protective clothing must ensure the safety of the human body, so a reasonable evaluation of the thermal protection performance of protective clothing must be made. Here, Standard Group (Hong Kong) Co., Ltd. uses experimental methods to describe the necessity of such experiments. Subject content and scope of application This standard specifies the performance requirements and test methods for ordinary protective clothing for firefighters. This standard applies to ordinary protective clothing used by firefighters and does not apply to other protective clothing such as thermal insulation clothing and fire-avoiding clothing. Reference standards GB 250 Grey scale for evaluating discoloration GB 3918 Fabric tear strength test met...