Armored Door
1) Material:
Door leaf: consist of 7 layers, the middle is aluminum honeycomb, double galvanized steel plate, double HDP,double fasion fireproof , dampproof, sound insulation surface plate
Door pocket: aviation aluminum magnesium alloy
Airproof seal: silica gel , in ordinary temperature , it can be smokeproof, sound insulation
Expanded airproof seal: When the temperature reach 80 degree, the airproof seal begain to expand, nothing can go into and it will be safety enough. When our side is 1100 degree, the inner is only 140 degree.
Our door is the real inner firefroof fasion safety door.
2) Thickness of door leaf: 4cm
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