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Yingkou Hangxing Industrial Co., Ltd.

Add:No.69, Tengfei Road, Laobian District, Yingkou

Tel:86 - 0417- 6612988  6612996

Phone:86-18804179788

Fax:86-0417-6612977

Url:en.hamsing.cn

Zip code:115000

E-mail:49685968@qq.com

Hangxing fireproof expansion seal manufacturers give you the best products

2021-03-27 H:29:09
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Navistar's fireproof expansion seal manufacturers can very well manufacture fireproof expansion seals with excellent quality. The basic principle is to use fireproof sealing materials to seal and prevent the spread of toxic gases and smoke. , a wide range of applications.

A fireproof expansion sealing strip belongs to the technical field of door and window sealing, and in particular relates to a sealing strip of a fireproof door or a security door; a flame-retardant decorative layer is covered on the upper side of the fire-retardant expansion layer and both sides of the fire-retardant expansion layer; The upper flat surface of the flame-retardant decorative layer is connected with an arc-shaped cavity structure of the same material as the flame-retardant decorative layer. The advantage of the above structure is that a co-extruded process can be used to produce a continuous length of fire-retardant sealing strip, which not only improves the production efficiency but also improves the quality of the product. The utility model has the advantages of good decorative performance, no acrobulation phenomenon in the decorative layer when used, and is suitable for producing positive effects of continuous length.

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It does not itself have a fire extinguishing effect. It is used in places where fires have already occurred and by controlling the spread of fire to prevent the loss of life and property. As it relates to public safety, the most important indicator of passive fire protection systems is to withstand and delay fires. Spread time. Fireproof expansion seals (fireproof seals, fireproof expansion seals, smoke protection strips, fire protection strips) are installed at fireproof doors, fire dampers, etc. in buildings. When a fire occurs and reaches a certain temperature value, expansion begins. Different product characteristics, the expansion rate can reach several times to several times, so as to achieve the purpose of preventing the spread of flames and smoke to other parts of the building. Fire prevention is the use of fire-proof sealing material to seal the cable or pipe through the wall or floor to form a hole, its role is to prevent the spread of fire to the area adjacent to the source of fire, to protect the safety of personnel and equipment.

The basic principle of fire blocking is that the plugging material expands and absorbs heat and insulates heat, expands in the event of fire to seal the gap left by the burning of combustibles, and prevents the spread of toxic gases and fumes generated during fires and fires; Insulation to reduce the temperature of the back surface of the penetrator, to prevent spontaneous combustion of the back surface combustible.

When there is a fire, the fireproof expansion seal can save your life at a critical moment. Very good closure is very smooth, very strict, in all kinds of places are very much in need of this material. Expanding sealing strip manufacturers give you the best product.


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