Selection and performance requirements of flame retardant protective clothing fabrics
The quality of a flame-retardant protective clothing depends to a certain extent on the variety and quality of the fabric used. Each fabric material has its own performance characteristics. Which material to choose as a certain layer of flame retardant protective clothing is a question that needs to be carefully considered.
High-quality flame retardant protective clothing should meet the following requirements:
(1) Protection should be considered first and safety. Flame-retardant protective clothing should have excellent protection standards and protection levels, putting functionality first.
(2) Good wear resistance. Clothing should be suitable for the wear and tear caused by various complex movements performed by fire rescue workers.
(3) It has good durability and can be used repeatedly for a long time.
(4) Good comfort and good air permeability and moisture permeability. This is especially important for fire rescue.
Problems in selecting fabrics for flame retardant protective clothing:
1. Flame retardant and fireproof layer
Flame retardant and fireproof layer As the outer layer of flame-retardant protective clothing, it is in direct contact with the fire scene and will be subject to various wear and hooking effects during application. Therefore, flame retardancy, wear resistance, and tear resistance will all become important at this level. Design factors. You can choose plain weave basalt fireproof fabric. This fabric has the advantages of non-flammability, high temperature resistance, no toxic gas emissions, good thermal insulation, no melt dripping, high strength, and no shrinkage.
2. Waterproof and breathable layer
There are many ways to achieve waterproof and breathable fabrics. For example, waterproof and breathable film is a material that has no weight burden and excellent performance. Among them Those used in composite fabrics should have good selected permeability. At present, waterproof and breathable films can generally be divided into three types: microporous waterproof and breathable films, non-porous waterproof and breathable films, and two-component waterproof and breathable films.
3. Thermal insulation layer
The thermal insulation layer is located in the middle layer of the flame-retardant protective clothing fabric. It mainly serves to isolate the heat conduction of the air in the hot environment and prevent workers from being burned. effect. This layer has a significant impact on the thermal radiation performance, thermal conductivity performance, and moisture permeability performance of flame-retardant protective clothing.
4. Lining
Incorporating a lining layer into flame-retardant protective clothing is mainly considered from the perspective of comfort and can prevent the outer fabric from coming into direct contact with the human body. Itching sensation, and if the material selection of this layer is reasonable, it can also achieve a good perspiration effect, making workers more comfortable when wearing flame-retardant protective clothing.
Keywords:
Flame retardant protective clothing fabric
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