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Fire-retardant fabric
Fire-retardant fabrics are textiles that are naturally more resistant to fire than others through chemical treatment or manufactured fireproof fibers.
==Terminology and test limitations==
The term ''fire-retardant'' as applied to organic (i.e., containing carbon) materials, is intended to refer to ''reduced'' fire hazard, as all will burn under certain circumstances. The tests used specified in building codes, such as NFPA 701, are more correctly ''flame resistance'' tests, which test a fabric's ability to resist ignition with the flame size and duration in the test conditions.〔NFPA 701,D1.1〕 The result is a comparative test, which provides a measure of the material's resistance to propagating combustion caused by small scale ignition sources. These tests do not predict the burning characteristics of full scale hazards. In many cases, if exposed to a sufficiently large and sustained exposure fire, the fire-retardant fabrics will burn vigorously. Polyester is inherently flame retardant, and therefore doesn't flare up when applied to various tests. Any amount of heat delivered within a long enough time interval will have no impact on the fabrics' integrity while a limited amount of heat delivered within short enough time interval may ignite or melt the fabric. A simple method for evaluating the threshold incident energy for ignition or melting of fabrics as a function of convective and radiant heat flux has been developed.〔(Ignition and Melting Characteristics of Apparel Fabrics )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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