Which cable tray has excellent flame retardancy? Natural, plastic spitting fire bridge. Spray painting fire safety bridge is commonly known as fire safety bridge. The surface raw materials are hot-dip galvanizing and cold spraying zinc. The appearance of hot-dip galvanizing is not cold spraying zinc, which is fine and bright, but the thickness of the hot-dip galvanizing layer is dozens of times that of the cold spraying zinc layer. Corrosion resistance is dozens of times of zinc coating. This commodity is applicable to the construction of indoor and outdoor overhead cable pipe trenches and tunnels for wires and cables below 10KV, frequency conversion cables, lighting fixture routing, etc. The flame retardant bridge is divided into three types: internal combustion type, external flame retardant type and full flame retardant type. The external flame retardant type is coated with a layer of fireproof material to prevent the external flame retardant from damaging the impact toughness of the steel bridge frame. It is applicable to sites with frequent fire accidents. The internal flame-retardant type is tray type or disc type cable bridge, and the inner surface layer is coated with fireproof materials or embedded with flame-retardant plates. Bridge is commonly used in flame retardant baffle, that is, when the cable is on fire, the flame retardant section can limit the flame retardant length of the ignited cable. The full flame-retardant type is coated with fire-retardant materials or embedded with fire-retardant plates on the inner and outer surfaces, which can maintain the impact toughness of the steel bridge and limit the length of the ignition cable.

防火電纜橋架的構造和特性以下：

The structure and characteristics of fireproof cable tray are as follows:

防火板材是以硅質的原材料和石灰質原材料為關鍵原材料，選用yx的高壓反應釜技術性，摻加一定占比的紡織材料、質輕石料、粘接劑和有機化學防腐劑做成的。防火板材是以硅質的原材料和蛋白質原材料為關鍵原材料，用一定占比的化學纖維生產加工而成。橫截面樣子勻稱，無彎折、歪曲、裂開、邊沿等缺點。

Fireproof board is made of siliceous raw materials and calcareous raw materials as the key raw materials, using yx autoclave technology, adding a certain proportion of textile materials, light stones, adhesives and organic chemical preservatives. Fireproof board is made of silica raw materials and protein raw materials as the key raw materials, and is produced and processed with a certain proportion of chemical fibers. The cross section shall be symmetrical without bending, distortion, cracking, edge and other defects.

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