Steel fire door
1) Any Size

2) Material: Different material like steel, wood, steel armored. Fireproof quality hinges, locks, handles, installing bolts, plug pin (door closer and push-open bar are available for choice)
3) Inside filling: A) Fireproof material board (1, 200kg/cbm) b) Silica aluminum figuline: 128kg/cbm
4) Fire rated time: 30~90 minutes
5) Keep in complete form by: ≥ 950° C