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>Test Requirements, ASTM E119• Average of all <strong>the</strong>rmocouples must not exceed250°F over ambient temperature• No single <strong>the</strong>rmocouple can exceed 325°F overambient temperature• Structure can’t show evidence of burn through• Structure must not collapse