Selecting Fabric for Your Environment

Should I use flame proofed cotton velour or should I use inherently flame proofed polyester velour?  The best answer depends on your locale and environment.  Even IFR velour can fail an open flame test and require re-treatment.  This can be caused by dirt accumulation or other environmental factors.  More expensive is not always better, and remember that having IFR goods does not relieve you from the responsibility of annual testing.