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ASTM F2731 - 18
ASTM International (ASTM)
Title

"Standard Test Method for Measuring the Transmitted and Stored Energy of Firefighter Protective Clothing Systems"

Description

This test method uses one of two procedures to prolonged, relatively low levels of radiant heat.  measure: (1) heat energy, which can be  directly transmitted through the multilayer structure without compressive  force, that can result in predicted burn injury, or (2) heat energy directly transmitted through the multilayer  structure, followed by applying a compressive force, which rapidly  releases stored heat energy in the multilayer structure that can result  in a predicted burn injury.

Standard Type(s)
Test Method

A definitive procedure that produces a test result: Examples of test methods include, but are not limited to: identification, measurement, and evaluation of one or more qualities, characteristics, or properties. A precision and bias statement shall be reported at the end of a test method.

Personal Protective Equipment
Body Protection

All items of clothing and/or accessories (whether or not detachable) designed and manufactured to provide specific protection. This includes bullet-proof clothing, general protective clothing and full body ensembles that protect from cuts, radiation, temperature extremes, hot splashes from molten metals and other hot liquids, potential impacts from tools, machinery and materials and hazardous chemicals. Examples of body protection include laboratory coats, coveralls, vests, jackets, aprons, surgical gowns and full body suits

  • Thermal protective clothing
Hazards
Thermal
  • Flame and Thermal
SOC Codes
33-0000 Protective Service Occupations
  • 33-2000 Fire Fighting and Prevention Workers
    • 33-2010 Firefighters
Standard References
Referenced Standard

NFPA 1971 - 2018 edition - Standard on Protective Ensembles for Structural Fire Fighting and Proximity Fire Fighting

ASTM F1494 - 23 - Standard Terminology Relating to Protective Clothing

ASTM F1930 - 23 - Standard Test Method for Evaluation of Flame-Resistant Clothing for Protection Against Fire Simulations Using an Instrumented Manikin

Conformity Assessment Notes

Firefighters are routinely exposed to radiant heat in the course of their fireground activities. In some cases, firefighters have reported burn injuries under clothing where there is no evidence of damage to the exterior or interior layers of the firefighter protective clothing. Low levels of transmitted radiant energy alone or a combination of the transmitted radiant energy and stored energy released through compression can be sufficient to cause these types of injuries. This test method was designed to measure both the transmitted and stored energy in firefighter protective clothing material systems under a specific set of laboratory exposure conditions.  Plesae see the full standard for complete details. 

Comments

Additional References:

ASTM Standards

  • D123 Terminology Relating to Textiles
  • D1777 Test Method for Thickness of Textile Materials
  • D3776/D3776M Test Methods for Mass Per Unit Area (Weight) of Fabric
  • E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
  • F1494 Terminology Relating to Protective Clothing
  • F1930 Test Method for Evaluation of Flame Resistant Clothing for Protection Against Fire Simulations Using an Instrumented Manikin

AATCC Test Methods

  • AATCC135 Dimensional Changes in Automatic Home Laundering of Durable Press Woven or Knit Fabrics

NFPA Standard

  • NFPA1971 Standard on Protective Ensembles for Structural Fire Fighting and Proximity Fire Fighting
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