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Best Filling Material for Fire-proof Door--Fire-proof Rock wool
Posted by:Yolanda Date:04.Apr.2019
From the current social situation and the needs of the public, fire doors have become an indispensable part of life. Fire doors have the function of ordinary doors, but also have the function of preventing the spread of fire and smoke. They can prevent the spread of fire within a certain period of time, ensure the evacuation of personnel, and facilitate and fast escape.
At present, steel fire doors commonly found on the market are usually composed of door frames, door leaves, sandwich fillers and fire locks. The steel fire door is made of steel material, the door frame, the door leaf frame and the door leaf cotton board. If the door fan is filled with materials, it is filled with fire-proof and heat-insulating materials which are non-toxic and harmless to the human body, and are equipped with fire-resistant hardware parts. The door to performance. The filling in the fire door panel is fireproof Class A non-combustible material (filled with fire rock wool, perlite and other materials).
Rock wool is a natural environmentally friendly fireproof and thermal insulation material. It uses natural rock and blast furnace slag as the main raw materials, plus a certain amount of auxiliary materials, which are made into man-made fibers by high-temperature melt blowing, and then used to make rock wool products. Rock wool is considered to be the best fireproof insulation material because of its non-combustible, non-toxic, low thermal conductivity, sound absorption, sound insulation performance, insulation, chemical stability and long service life.
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