Apparel that achieves HRC 1 is typically used as a base layer for flame resistant FR protection. Layered FR clothing is generally considered to give a higher ATPV value than the sum of the layered garments.

Hazard Risk Category Common FR clothing at this level Minimum ATPV (Cal/cm^2)
HRC 1 FR shirt and FR pants; Or FR coveralls; Single base layer of FR protection 4
HRC 2 FR under garments (undershirt, underwear), FR shirt, and FR pants; FR under garments, FR coveralls; 2 or more layers of FR protection 8
HRC 3 FR under garments (undershirt, underwear), FR shirt, FR jacket, FR pants, and FR coveralls; 2-3 or more layers of FR protection; 25
HRC 4 FR under garments (undershirt, underwear), FR shirt, FR jacket/coat, FR pants, and FR coveralls; FR under garments (undershirt, underwear), FR shirt, FR pants, multi-layer flash suit; 3-4 or more layers of FR protection; 40

For more information about the NFPA 70E and HRC (Hazard Risk Category) levels please see the article, NFPA 70E HRC Hazard Risk Category Levels explained and the resource category Fire and flame resistant/retardant resources

Displaying 1 - 8 of 8 products in HRC 1 and all subcategories

Displaying 1 - 8 of 8 products in HRC 1 and all subcategories

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