We routinely treat fabrics to the following flamability standards:
BS5852: 1979 Part 1 ignition source 0 & 1.
NS5852: 2006 clause 11 crib 5.
BS5867: 1980 Part 2 part B.
BS7175  Source 0, 1 & 5
BS476 1989. The ‘class’ of pass can only be accurately assessed under full test conditions carried out by a specialist test house.
IMO Upholstery IMO A-652 
IMO Curtains and Drapes IMO Resolution A.471 [x11] as amended by resolution A.563