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BS 5438:1976
Methods of test for flammability of vertically oriented textile fabrics and fabric assemblies subjected to a small igniting flame (British Standard)
Three methods for observing and measuring aspects of flammability relevant to apparel fabrics and those fabrics that will be held loosely in an essentially vertical position, for example curtains and drapes. Appendices give notes for users and proposed criteria of acceptance. See also PD 2777.
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British Standards Institution [bsi]
British Standards Institution [bsi]