''California Technical Bulletin 117'' (TB 117) is a California
fire safety law, first implemented in 1975. It has recently been updated as a Technical Bulletin 117-2013. The law requires fabric to pass a
smouldering
Smouldering (British English) or smoldering (American English; see spelling differences) is the slow, flameless form of combustion, sustained by the heat evolved when oxygen directly attacks the surface of a condensed-phase fuel. Many solid ma ...
test. The test exposes fabrics and foams to burning cigarettes for 45 minutes. The ignition and char level are measured, with the goal being that the cigarette extinguishes without the fabric or foam igniting.
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References
External links
Safety
California law
Fire prevention
Fire protection
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