Fabric Systems: NFPA Total Heat Loss Test
Downloads:
Method:
ASTM F 1868 “Thermal and Evaporative Resistance of Clothing Materials Using a Sweating Hot Plate Test” (Procedure Part C)
THL Specification criteria are given in: NFPA 1951, NFPA 1971, NFPA 1977, NFPA 1992, NFPA 1994, NFPA 1999
Instrument:
Sweating hot plate in an environmental chamber; custom hoods provide either horizontal or vertical air flow at different levels
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Fire fighter turnout gear materials. See other photos of the plate and air flow hoods under Fabric Systems: Thermal Insulation and Fabric Systems: Evaporative Resistance. |