Performance requirements that flame-retardant and heat-insulating protective clothing should have
Flame retardant thermal insulation protective clothing Flame retardant clothing thermal insulation clothing
In general, flame-retardant and heat-insulating protective clothing must have the following properties:
1. Heat resistance
Heat-insulating protective clothing is mainly used for high-temperature operations and must maintain its various properties under high temperatures. Physical and mechanical properties, no shrinkage, melting and brittle carbonization.
2. Flame retardant performance
During the use of thermal protective clothing, Generally, one side of the fabric is used to meet the flame, such as fire-fighting work clothes. When firefighters enter and exit the fire scene, to a large extent, the outside of the fire-fighting clothes is directly in contact with the flame, while the inside is rarely in contact with the flame. This requires thermal protection fabrics. It has the ability to withstand the flame from burning through from one side to the other, so the fabric’s ability to burn through the flame needs to be considered.
3. Thermal insulation
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In the actual use of strong>, most users do not directly contact the flame, but the external heat is transferred to the human body in the form of thermal convection, thermal radiation, and thermal conduction, causing harm to the human body. Thermal protective clothing must have good performance in slowing down and preventing heat transfer, preventing heat sources from causing harm to the human body, and providing good safety protection for users of thermal protective clothing working in high temperature environments.
4. Anti-liquid penetration performance
It refers toheat Protective clothinghas the ability to prevent high-temperature water, oil, solvents or other liquids from passing through clothing fiber materials, pores in fabrics, clothing seams, and pinholes. The anti-liquid penetration performance of thermal protective clothing is related to the properties of fiber materials used in clothing, fabric structure and clothing structure.
5. Wearing performance and wearing comfort
Thermal protective clothing In addition to thermal protection properties, it must also have good wearing performance and wearing comfort, such as certain tensile strength, tear strength, abrasion resistance, dye fastness and wash resistance. It has a certain heat and moisture transfer capacity to facilitate body heat dissipation and sweat evaporation, and has a low physiological load.
In addition, Thermal protective clothing also requires light weight, easy to put on and take off, loose structure, and is suitable for running, climbing, jumping and other movements. There are no restrictions, it is not easy to cause hooking, and strengthening measures are taken in parts that are prone to injury to meet the requirements of coordination and comfort and improve work efficiency.
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