Understanding the UL Fire Resistance Directories - Ron Blank ...
Understanding the UL Fire Resistance Directories - Ron Blank ...
Understanding the UL Fire Resistance Directories - Ron Blank ...
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<strong>Understanding</strong> <strong>UL</strong>ASTM E119 Standard d Time/Temperature CurveThis is <strong>the</strong> time temperature curve. This shows that at 5 minutes,<strong>the</strong> furnace reaches 1000 degrees and at 1 hour <strong>the</strong> furnacereaches 1700 degrees during <strong>the</strong> standard test.180016001700º F1 HR.At 5 minutes, furnacereaches 1000’F.At 1 hour, furnacereaches 1700’F.14001200100080060040020001000º F5 Min0 1 2 3