INSULATION PANEL OF FIRE DOOR BY USING PERLITE PANEL, AND FIRE DOOR USING SAME

摘要

The present invention relates to a fire door and, specifically, to an insulation panel of a fire door by using a perlite panel and a fire door using the same. According to the present invention, an insulation panel (100) of a fire door consists of attached multi-perlite panels (10), wherein a flame retardant is applied on each of the perlite panels (10) and the perlite panels (10) are dried, and an expansion insulation member (30) is disposed in a middle layer of the stacked perlite panels, thereby providing a highly functional and environmentally friendly product with enhanced fire resistance, physical performance, insulation, and sound insulation.;COPYRIGHT KIPO 2017