Flame retardant protective clothing and its classification
Flame retardant protective clothing flame retardant fiber fabric flame retardant fabric
Flame-retardant protective clothing is one of the most widely used types of personal protective equipment. Its protection principle is mainly to adopt heat insulation, Reflection, absorption, carbonization isolation and other shielding functions protect workers from open flames or heat sources. The skin of the human body is very sensitive to heat. When the skin of the human body is exposed to high temperatures above 44°C, burns will occur. First, trauma will occur to form I-degree burns, and then blistering will occur, resulting in II-degree burns. At 55°C, first-degree burns last for 20 seconds, and then second- and third-degree burns appear. At 72°C, it is completely burnt. Therefore, in industrial furnaces, chemicals, petroleum, machinery, construction, coal and fire-fighting industries, flame-retardant protective clothing should be used to slow down the spread of flames, reduce the heat transfer speed, and carbonize it to form an isolation layer to protect workers’ health. Safety and health.
The protective performance of flame-retardant protective clothing mainly depends on the performance of the clothing material – flame-retardant fabric. At present, flame-retardant fabrics mainly include flame-retardant fiber fabrics, There are two categories of flame retardant finishing fabrics.
Flame-retardant and high-temperature resistant fiber fabric
Synthetic organic fiber fabrics: Nomex, Kevlar, Teflon, arylsulfone, etc.;
Natural inorganic fiber fabrics: glass fiber, carbon fiber, metal fiber, etc.
Flame retardant treated fiber fabric
Obtained by adding flame retardants to the spinning solution
Flame retardant finishing fabric
Use flame retardant finishing agent and treat the fabric through spraying, dipping (or dipping), coating and other technologies Get
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