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FR dictiondary Part 5:Flash Fire Terms

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Time of issue:2017-11-27
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FR dictiondary Part 5:Flash Fire Terms

The last part of getting to know flame resistant clothing:FLASH FIRE TERMS

FLASH FIRE TERMS

TPP – Thermal Protective Performance of a fabric; the amount of heat it takes to pass through the fabric and cause a second-degree burn; CGSB 155.20 requires a fabric have a minimum of 6 cal/cm² when tested with a spacer

Manikin Test/Body Burn – A simulated flash fire test using an instrumented manikin to calculate the estimated percentage of second and third degree body burns after three seconds of exposure; NFPA 2112 requires the percentage to be below 50 percent

HTP – Heat Transfer Performance of a fabric; the amount of heat it takes to pass through a fabric to cause second-degree burns based on the skin burn curve; NFPA 2112 requires a fabric to have a minimum of 6 cal/cm² when tested with a spacer and 3 cal/cm² in contact

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