镀锌板大锌花、小锌花的区别

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正常锌花（小锌花、大锌花、无锌花）热镀锌钢板是热镀锌钢板在锌液含锑或铅的条件下热浸镀后，在正常凝固过程中，锌晶粒自由长大形成的具有明显锌花形貌的镀层板。正常热镀锌钢板主要以裸露的方式使用，有锌花镀锌板和没锌花镀锌板只是外观区别，没有质量区别。

所以，小锌花、大锌花、无锌花）热镀锌钢板的用途是一样的。

一、无锌花热镀锌钢板

Normal zinc flower (small zinc flower, large zinc flower, no zinc flower) hot-dip galvanized steel plate is a kind of plating plate with obvious zinc flower shape formed by free growth of zinc grains in the normal solidification process after hot-dip galvanized steel plate with antimony or lead in the zinc solution. The normal hot-dip galvanized steel plate is mainly used in the exposed way. The galvanized plate with zinc flowers and the galvanized plate without zinc flowers are only different in appearance and quality.

Therefore, small zinc flower, large zinc flower and no zinc flower) the purpose of hot-dip galvanized steel plate is the same.
1、 Zinc free hot dip galvanized steel sheet
When zinc layer is solidified, there is no formation of zinc flower. The grain is very fine and smooth, so it is called non zinc flower product. It has excellent corrosion resistance and good coating performance.
2、 Large zinc flower hot galvanized steel plate
In the zinc bath, the element of zinc flower is added to promote the formation of beautiful zinc flower when the coating solidifies. In the early stage of use, the appearance performance is good, but the grains are coarse and there are fine unevenness
3、 Small zinc flower hot-dip galvanized steel plate
There is no strict definition of small zinc flower products. Generally, small zinc flower products are called small zinc flower products. In order to overcome the defects of poor coating performance of large zinc flower products, various methods are used to inhibit the growth of zinc flower during cooling, and it is best to form zinc flower with small diameter. Because it is not as smooth as the mirror surface of the big zinc flower, nor as smooth as the non zinc flower products, so the coating performance is very good.