The fire-proof ability of cable bridge is based on its material and manufacturing technology. There are deviations in the water-proof ability of different materials and different manufacturing processes. So the standardization of fire-proof cable bridge is particularly important. It can make the fire-proof cable bridge more uniform and reliable.

防火电缆桥架分为，内阻燃型、外阻燃型和全阻燃型，更重要的部分即是防火板，防火板选用硅质资料和钙质资料为主要原料，与必定比例的纤维资料、轻质骨料、黏合剂和化学添加剂混合，经的蒸压技能制成。加工成型后断面形状均匀、无曲折、拧曲、裂缝、边缘等缺点，但无论是哪一类防火桥架，都必须符合电缆桥架标准 。

Fire-proof cable bridge is divided into internal flame-retardant type, external flame-retardant type and full flame-retardant type. The most important part is the fire-proof board. The fire-proof board is made of silica material and calcium material as main raw materials, mixed with certain proportion of fiber material, lightweight aggregate, adhesives and chemical additives, and made by leading autoclaving skills. After processing and forming, the cross-section shape is uniform, without flexure, twist, crack, edge and other shortcomings, but no matter what kind of fire-proof bridge, it must meet the national standards of cable bridge.

防火涂料是一种钢结构维护商品。它精选高分子合成树脂为成膜物质，加以阻燃剂、发泡剂、炭化剂及高温耐火资料制作而成的。它在高温条件下，涂层发作接连发泡膨胀效应，构成柔韧的海绵状的炭化隔热层，使承载的钢结构不会因高温烈焰的效果而急剧软化变形，强度不会急剧下降。表面防火涂料层喷涂要求均匀、光洁、无明显色差。

Fire retardant coating is a kind of high efficiency steel structure maintenance commodity. It is made of high polymer synthetic resin as film forming material, flame retardant, foaming agent, carbonizing agent and high temperature refractory material. Under high temperature conditions, the coatings have successive foaming and expansion effects, forming a flexible spongy carbonized insulation layer, so that the bearing steel structure will not be sharply softened and deformed due to the effect of high temperature flame, and the strength will not sharply decrease. The spraying of surface fire retardant coatings requires uniformity, smoothness and no obvious color difference.

如今防火电缆桥架已被应用到敷设电缆的各个领域，对电缆的维护起到极好的作用，在对电缆的阻燃、防火方面做到了非常好的保护，是其他不锈钢桥架无可比拟的。

Nowadays, fire-proof cable bridge has been applied in all fields of laying cables. It plays an excellent role in the maintenance of cables. It has achieved very good protection in fire-retardant and fire-proof aspects of cables, which is incomparable with other stainless steel bridge frames.

Fire-proof cable bridge

1、防火电缆桥架重要依据国度对防火电缆标准进行锻炼标准。防火期厚度要求大于等于1mm，耐火必需年夜于三十分钟，这是一般的防火电缆防火漆结果的标准，防火的根本是钢材，而且防火电缆外层还图有一层防火材料。

1. Fire-proof cable bridge is based on the national standard for fire-proof cable exercise. The thickness requirement of fire protection period is greater than or equal to 1 mm, and the fire resistance must be greater than 30 minutes. This is the standard of the result of fire protection paint for general fire-proof cables. The basic fire prevention is steel, and the outer layer of fire-proof cables is also shown with a layer of fire-proof material.

2、尽量选择钢制或不燃、阻燃材料的电缆桥架。防火电缆桥架采纳钢制外壳，双层防火盖板,内装无机防火槽盒 .隔热层均匀厚度为25mm,双层盖板通风散热,内喷防火涂料,防火电缆桥架遇火时涂料胀大,在60分钟耐火试验,电缆无损伤.支撑的构造性好。

2. Choose steel or non-flammable or flame-retardant cable bridge as far as possible. Fire-proof cable bridge frame adopts steel shell, double-layer fire-proof cover board and inorganic fire-proof tank box. The uniform thickness of heat insulation layer is 25 mm. The double-layer cover board ventilates and dissipates heat, sprays fire-proof coating inside. When fire-proof cable bridge frame is in fire, the coating expands. After 60 minutes fire-proof test, the cable is not damaged. The structure of the support is good.

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