1.1 ,This test method measures thermal protective characteristics of flame resistant textile materials subjected to a standardized radiant heat exposure relative to a predicted second-degree skin burn injury.
1.1.1 ,This test method is not applicable to textile materials that are not flame resistant.
Note 1: ,The determination of a textile material’,s flame resistance shall be made prior to testing and done according to the applicable performance or specification standard, or both, for the textile material’,s end-use.