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随着汽车工业、家电业及建材业的快速发展，普通表面热镀锌板已经无法满足上述领域。对于板面的质量要求，市场对高质量表面的毛化热镀锌板

的需求量越来越大。热镀锌板毛化是指在镀锌板表面经毛化处理的轧辊轧制而成，它具有表面粗糙度均匀、无划伤、无条纹等优点，其板面光亮整洁

且板形良好。热镀锌镀层不会有电镀锌镀层那么均匀；而且随着原板表面的凹凸不平，镀层表面也会跟随产生起伏,再有热镀锌板出锌锅之后，

由于其边沿散热较快，会造成镀板横向温度分布不均，则使氧化膜厚度也产生了差异。上述的镀层厚度不均、镀层的高低起伏、氧化膜厚度不同，

都会造成光的折射差异，这就表现出了无锌花镀层表面的色差。由此可见，无锌花镀锌板表面产生色差是必然的趋势。要想获得均匀一致的外观,

提高板面的装饰性，通过光整机轧平表面并且由经过毛化的光整辊给予热镀锌板面一定的粗糙度，就可消除板面色差，而获得均匀一致的漂亮的

银灰色外观。

With the rapid development of the automobile industry, home appliance industry and building materials industry, the ordinary surface hot galvanized plate has

been unable to meet the above fields.For the quality requirements of the plate surface, the market demand for wool hot galvanized plate of high quality surface

is increasing.Hot galvanized plate wool refers to the formation of wool-treated rollers on the surface of the galvanized plate. It has the advantages of uniform

surface roughness, no scratch and no stripe, and its plate surface is bright and clean and good in shape.The hot galvanized coating will not be as uniform as the galvanized coating, and with the uneven original plate surface, after the hot galvanized plate is out of the zinc pan, the oxide film thickness is different.The uneven thickness of the above coating, the fluctuation of the coating, and the different thickness of the oxide film can cause the refraction difference of light,which

shows the color difference of the zinc-free flower coating surface.Therefore, it is an inevitable trend that the surface of the zinc-free flower galvanized plate

produces color difference.In order to obtain a uniform appearance, improve the decoration of the plate surface, through the smooth rolling surface and the hot galvanized plate surface a certain roughness, you can eliminate the color difference of the plate surface, and obtain a uniform beautiful silver gray appearance.