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 ℃. At present, the size of fire doors is not specified, and only the fire endurance of fire doors is required.

fire rated door viewing panel,मुम्बईमा आगो प्रतिरोधी ढोका निर्माताहरू,6 panel steel fire rated door,36 inch fireproof door,

आगो प्रतिरोधी ढोका निर्माता, घर को लागी आगो प्रतिरोधी ढोका, आगो प्रतिरोधी ढोका,6 panel steel fire rated door,धातु सुरक्षा ढोका, आगो प्रतिरोधी ढोका मानक, आगो प्रतिरोधी ढोका,fire rated door astragal,आगो प्रतिरोधी ढोका ताला,36 इन्च फायरप्रूफ ढोका,

आगो प्रतिरोधी, ढोका रंग,fire rated door viewing panel,आगो प्रतिरोधी ढोका मलेशिया, धातु ढोका