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在彩钢板板条上铺双面反射箔薄膜有什么效果?

彩钢板推拉门

在安装屋面彩钢板之前,在板条上面铺上一层双面反射箔薄膜,这样不仅可以使蒸汽隔离,还能起到减少水分热量的凝聚作用。
Before installing the roof color plate, a layer of double reflective foil film is laid on the plate, which can not only isolate the steam, but also reduce the condensation of water heat.
如果这层薄膜能在彩钢板的板条之间的下垂深度达到50~75mm,那么薄膜与屋面板之间的空气层将进一步提高隔热效果。
The air layer between the film and the roof will further improve the heat insulation if the film can reach 50~75mm between the slate of the color plate.
其中彩钢板的冷暖色系以及它的漆面反射能力都和辐射有关。真正进入建筑物的热量就是因为辐射,其进入热量的比例多少将取决于彩钢板下表面的特性。下表面带漆或暗色的彩钢板,将有较高的反射能力,可将留下的热量大幅度的辐射进去,而下表面带闪亮的或磨光表面的彩钢板发散力很低,只能将很小一部分热量辐射进建筑物中。所以对涂漆或暗色下表面的高发散力和热辐射能力,可通过在彩钢板下方安装反射箔片层加以克服。
The coloured and warm coloured steel plate and its reflectivity are related to radiation. The real amount of heat entering the building is due to radiation, and the proportion of its incoming heat will depend on the characteristics of the lower surface of the color steel plate. The lower surface and dark color plate will have high reflective ability to radiate a large amount of heat left, while the lower surface with a bright or polished surface is very low, and can only radiate a very small amount of heat into the building. Therefore, the high dispersion force and thermal radiation ability of the painted or darker undersurface can be overcome by installing reflective foil layer below the color steel plate.

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