1.2-1.5mm thick steel plate should be used for steel fire door frame, 0.8-1.2mm thick steel plate should be used for door leaf panel, and 1.2-1.5mm thick steel plate should be used for reinforcement. The steel fireproof door and door frame shall be filled with incombustible materials, and the melting temperature of door lock, hinge, bolt and other hardware accessories shall not be lower than 950 ℃.

commercial external fire doors,ಅಲ್ಯೂಮಿನಿಯಂ ಬೆಂಕಿ ನಿರ್ಗಮನ ಬಾಗಿಲುಗಳು,2ft fire door,loft fire door,white panel fire doors,711 ಎಂಎಂ ಬೆಂಕಿ ಬಾಗಿಲು,ಲೋಹದ ಬೆಂಕಿ ತಪ್ಪಿಸಿಕೊಳ್ಳುವ ಬಾಗಿಲುಗಳು, ಉಕ್ಕಿನ ಬೆಂಕಿ ತಪ್ಪಿಸಿಕೊಳ್ಳುವ ಬಾಗಿಲುಗಳು,commercial external fire doors,ಬೆಂಕಿಯ ದರದ ಗ್ಯಾರೇಜ್ ಬಾಗಿಲು 32×80,711 ಎಂಎಂ ಬೆಂಕಿ ಬಾಗಿಲು,white fire doors for sale,fire door for flat front door,2ft fire door,jeld wen 35mm fire door,711 ಎಂಎಂ ಬೆಂಕಿ ಬಾಗಿಲು,fire door and fire exit,steel fire exit,commercial external fire doors,6 panel fire door 44mm,2ft fire door