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Behind the Arc Rating: Flammability

ASTM D6413-15 Standard Test Method for Flame Resistance of Textiles (Vertical Test). This is one the most important tests we run here at our lab in Louisville, as it is among the required testing in ASTM F1506-15 Standard Performance Specification for Flame Resistant and Arc Rated Textile Materials for Wearing Apparel for Use by Electrical […]

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The 2015 version of ASTM D6413 has been released!

Some updates have been made to ASTM D6413 Standard Test Method for Flame Resistance of Textiles (Vertical Test) commonly used in flame resistant apparel testing. The most significant changes are based around the char length measurement: The basis weight defined by the standard as “the weight of cloth before the addition of any fire retardant […]

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Modacrylic Fiber: Protex M vs. Protex C.

We frequently get questions about different fibers for arc protection.  This is to answer a common question on testing in ASTM F1959 to meet ASTM F1506 or  ASTM F1891. Protex M fiber contains approximately 2x the amount of Antimony Trioxide as compared to Protex C. It is designed to be used primarily in blends with […]

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Post-Use Analysis of Firefighter Turnout Gear

An article based on the durability studies titled “Post-Use Analysis of Firefighter Turnout Gear” completed at the University of Kentucky has been published in Fire Technology. The studies analyzed used firefighter turnout gear, with the manufacture date ranging from two to greater than ten years.   The testing and procedures used for analysis were pulled […]

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