Steel-wood Heat Insulation Fire Door

Product Description

1. Door Case: 1.2 mm cold-rolled steel;

2. Door Leaf: Fire-retardant plywood or fire resistant paint-free plate;

3. Framework: Fire-retardant wood;

4. Thickness: *5mm;

5. Surface Finish: High temperature paint;

6. Selected wood: Fireproof pine;

7. Wood finish: Soaked for 4 hours in fire resistant fluid in a vacuum and high-pressure environment;

8. Process: Remove oil, remove rust, phosphate and passivation;

9. Internal Filler: Perlite*-a new environmentally fire-retardant and adiabatic material;

*0. Junction: Fireproof and sealed treatments, enhance the performance of fire prevention;

*1. Type: Single, double, attached, with glass, and with bright windows;

*2. Specification: **0× ***0, can customize as your requirement;

*3. Fire Resistance Period: Grade A: 1.5h, Grade B: 1.0h, Grade C: 0.5h;

*4. Hardware Accessories: Fire resistance period is above 1.5h.
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