| 1:what is the meaning FR, IFR,PFR,DFR and NFR |
FR fabrics:it means flame retardant or fire retardant or flame resistant or fire resistant fabrics.
IFR fabrics:it means inherenty flame retardant or inherenty flame resistant or inherenty fire retardant or fire resistant fabrics.The IFR fabrics can be wahsed any times.The FR effect is available after 50 times washed.
PFR:it means permanent flame retardant fabrics.the fabrics still has FR effect after washed 50 times.
DFR:it means durable flame retardant fabrics.the fabrics can be washed a few times,like 5 times
NFR:it means Non flame retardant fabrics.like commom materials fabrics.
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