Posts Tagged ‘EBT’

ATPV And EBT Ratings For Arc Rated Clothing

Monday, June 29th, 2015

Why is it that some FR clothing is rating with an ATPV (Arc Thermal Performance Value) and some arc rated clothing is rated with an EBT (Energy Breakopen Threshold) rating?

The answer is as follows:

An Arc Thermal Performance Value (ATPV) is defined as the arc incident energy required to cause the onset of second-degree burn. The higher … Read More...