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>Type “C” Core• Has superior fire resistance over Type “X”.• Type “C” core is proprietary, so <strong>the</strong> enhancingingredients vary by manufacturer.