要確定彩鋼夾芯復合板的防火等級，要確定彩鋼夾芯復合板的中間夾芯材料。目前市面上常見的彩鋼夾芯復合板種類有三種：彩鋼巖棉夾芯復合板、彩鋼玻璃絲棉夾芯復合板、彩鋼EPS泡沫夾芯復合板三種。這里介紹一下這三種彩鋼夾芯復合板能達到的防火等級分別是多少。按照GB8624-1997評定標準，防火等級分為A級（不燃材料）、B1級（難燃材料）、B2（可燃材料級）、B3級（易燃材料)。

To determine the fire rating of the color steel sandwich composite panel, the first step is to determine the intermediate sandwich material of the color steel sandwich composite panel. At present, there are three common types of color steel sandwich composite board on the market: color steel rock wool sandwich composite board, color steel glass wool sandwich composite board, color steel EPS foam sandwich composite board. Here are the fire protection levels that can be achieved by these three types of color steel sandwich composite panels. According to the GB8624-1997 evaluation standard, the fire rating is divided into Class A (non combustible materials), Class B1 (flame-retardant materials), Class B2 (combustible materials), and Class B3 (flammable materials).

現在加工的彩鋼巖棉夾芯復合板的夾芯層，彩鋼廠家現在一般選擇為玄武巖棉，而巖棉的防火等級為A級不燃，所以彩鋼巖棉夾芯復合板的防火等級行業評定為A級防火材料，并出具巖棉的防火等級報告。

The sandwich layer of the current processed color steel rock wool sandwich composite panel is generally selected by color steel manufacturers as high-quality basalt rock wool, and the fire rating of rock wool is A-level non combustible. Therefore, the fire rating of the color steel rock wool sandwich composite panel is evaluated as A-level fireproof material in the industry, and a fire rating report for rock wool is issued.

同理，彩鋼玻璃絲棉復合板的夾芯層為玻璃絲棉，同樣為無機物不燃材料，所以行業評定為A級防火材料，同樣可以出具玻璃絲棉的防火等級報告。

Similarly, the sandwich layer of the color steel glass wool composite panel is made of glass wool, which is also an inorganic non combustible material. Therefore, it is rated as an A-level fireproof material in the industry, and a fire rating report for glass wool can also be issued.

講解一下彩鋼泡沫夾芯復合板的行業防火評定問題。彩鋼泡沫夾芯板的中間夾芯層為EPS聚笨，現在彩鋼板廠家常用的夾芯泡沫的密度為：5Kg/m3（普通）、8Kg/m3、10Kg/m3、12Kg/m3、14Kg/m3、16Kg/m3、18Kg/m3，超過18Kg/m3以上的泡沫很少選用（問題），16Kg/m3以下的彩鋼泡沫夾芯板的防火等級一般為B2級，且防火效果不明顯。

Focus on the industrial fire assessment of color steel foam sandwich composite board. The middle sandwich layer of color steel foam sandwich panel is EPS polymer. Now the density of sandwich foam commonly used by color steel plate manufacturers is: 5Kg/m3 (ordinary), 8Kg/m3, 10Kg/m3, 12Kg/m3, 14Kg/m3, 16Kg/m3, 18Kg/m3. foam above 18Kg/m3 is rarely used (price problem). The fire rating of color steel foam sandwich panel below 16Kg/m3 is generally B2, and the fire protection effect is not obvious.

高密度16Kg/m3以上的彩鋼夾芯復合板防火等級可以做到B1級 ，且防火效果較為明顯，并能出具EPS聚笨的防火等級檢測報告。當然，彩鋼夾芯復合板的制作過程中有專用膠級、固化劑等輔助材料添加，這里介紹的彩鋼夾芯板的防火等級為行業內標準或經驗

High density color steel sandwich composite panels with a density of 16Kg/m3 or more can achieve a fire rating of B1, and the fire resistance effect is relatively obvious. They can also provide a fire rating test report for EPS polystyrene. Of course, during the production process of color steel sandwich composite panels, specialized adhesive grades, curing agents, and other auxiliary materials are added. The fire rating of the color steel sandwich panels introduced here is based on industry standards or experience

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