Polyester fabric has good wear resistance, wrinkle resistance, shape retention and light resistance, and the curtain cloth and curtain cloth made of it have a crisp appearance, good drape, and are not easy to fade, not easy to deform and wrinkle, but the limit oxygen index of polyester fiber is only 20% ~ 22%, which is flammable in case of fire, and will produce smoke and molten droplets under the action of fire source.
Therefore, the fire safety of polyester interior decoration materials such as polyester curtain cloth and polyester curtain is particularly important, and it is also clearly stipulated in GB 50222-2017 "Code for Fire Protection Design of Building Interior Decoration" that the curtains and curtain decoration materials in single-layer and multi-storey civil buildings need to reach the combustion performance level of B1 and B2 respectively.
*Note: Decoration material combustion performance grade: A: non-combustible; B1: flame retardant; B2: flammability; B3: Flammability.
In the development of flame retardant function of polyester curtain fabric and curtain cloth, the flame retardant finishing process is relatively simple to operate, the processing efficiency is high, and the process used has excellent finishing effect, and the processed polyester fabric can meet the requirements of different flame retardant levels, and it is also a widely used flame retardant function realization method.
The mechanism of action of polyester flame retardant mainly includes two aspects:
One is to form a protective carbon layer on the surface of the burning fabric to isolate oxygen and heat;
The second is to play a flame retardant role in the combustion process through the flame retardant elements in the flame retardant, such as the formation of non-flammable gases, reducing the generation of combustible substances, etc.
The polyester curtain fabric processed by Texnology®ZRJ can pass GB 50222, GB 5455, BS EN 533, EN 532, BS 5852 and other flame retardant standards.® Flame retardant finishing of polyester fabric products such as polyester carpets.
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