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What is HRC and ATPV?

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What is HRC and ATPV?

  • Categories:Industry news
  • Author:
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  • Time of issue:2017-09-25

What is HRC and ATPV?

Hazard Risk Categories, or HRC, are specified in the NFPA 70E standard by specific jobs. There are five categories that apply, starting at HRC 0 through HRC 4. These categories specify what types of clothing are required as well as how many layers you are required to wear for each risk category.
 
For example, HRC 0 allows a worker to wear one layer,  which can be an untreated cotton material, whereas HRC 4 requires a worker to wear cotton underwear, an FR shirt and pants,  as well as a multi-layer flash suit with a total of three or more layers.
 
 
ATPV stands for Arc Thermal Protective Value.  The ATPV signifies the amount of incident energy that would cause the onset of second degree burns. It also signifies the amount of protection the clothing affords when an electrical arc comes into contact with the fabric. ATPV is measured in calories per centimeter squared (cal/cm2).
 
 
Drotex FR fabrics can meet HRC1 and HRC2 level, are best suited to make industry workwear.
We are always do our best to lead you to safety! 

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