As the name suggests, fireproof sealing strip is mainly used between the door leaf and door frame, door leaf and door leaf of steel doors and wooden doors. When a fire occurs, the fireproof expansion sealing strip automatically expands to block the gap between the door and the air circulation between the two spaces, effectively preventing the danger of smoke, toxic gas and hot gas to the human body in the early stage of the fire and controlling the spread of the fire. The fireproof strip can be glued in the groove of the fire door seam, or fixed in the groove of the fire door with small nails.
A fireproof sealing strip belongs to the technical field of door and window sealing, in particular to a sealing strip for a fireproof door or an anti-theft door. It has no fire-extinguishing effect by itself. It is used in occasions where a fire has already occurred. By controlling the spread of the fire, it can achieve the purpose of preventing loss of life and property. As it is related to public safety, the most important indicator of passive fire protection system is to resist and delay the spread of fire. Fireproof sealing strips (fireproof expansion sealing strips, fireproof expansion sealing parts, smoke-proof strips, fireproof strips) are installed in fire doors, fire gates, etc. of buildings. When a fire occurs and reaches a certain temperature value, it starts to expand. According to Different product characteristics, the expansion rate can reach several times to dozens of times, so as to prevent the spread of flames and smoke to other parts of the building.
Post time: Jul-25-2022