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NFPA
Total Heat Loss Test
Property:
Total heat loss (from fire fighter fabrics)
Method:
ASTM 1868 "Thermal and Evaporative Resistance of Clothing Materials
Using a Sweating Hot Plate Test"
THL
Specification criteria are given in:
- NFPA
1971 "Standard for Protective Clothing for Structural Fire
Fighting"
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NFPA 1977 "Standard for Protective Clothing and Equipment
for Wildland Fire Fighting”
- NFPA
1951 “Standard on Protective Ensemble for USAR Operations”
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NFPA 1999 “Standard on Protective Clothing for Emergency
Medical Operations”
- NFPA
1994 "Standard on CBRN Incident Protective Ensembles"
Instrument:
Sweating hot plate in an environmental chamber; custom hood provides
either horizontal or vertical air flow at different levels
Specimen number and size:
Three 20 x 20 inch squares
Cost:
$650 per fabric or fabric assembly (3 reps dry, 3 reps sweating)
Note: If only one sample of one fabric type is sent, we will
charge you for one rep of the bare plate test dry and one rep sweating
($215).
©2006 Institute for Environmental Research
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