This standard specifies the performance requirements for the limited flame spread properties of materials, material assemblies and protective clothing in order to reduce the possibility of the clothing burning and therefore avoiding hazard. Additional requirements for clothing are also specified. Features:
Index 1 (flame spread, flaming debris and afterglow properties)
Index 2 (as index 1 plus hole formation properties)
Index 3 (as index 2 plus afterflame properties)