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鋅花的產(chǎn)生，主要是含有鉛元素。高純度的鋅是不能生成鋅花的，因為其中缺少結(jié)晶核。 在以往鍍鋅所采用的鋅錠中，都或多或少含有一定量的鉛，

這主要是由于在鋅礦的冶煉、蒸餾和冷凝過程中，鋅鉛總是共同存在。因此人們總能看到鍍鋅產(chǎn)品表面的鋅花圖案。近年來通過采用電解回收方法

生產(chǎn)出來的鋅的純度可達(dá)99.99%以上，使鋅內(nèi)不再存在鉛，從此鍍鋅廠家就可通過采用無鉛(約≤0.01%)或低鉛(約0.01%—0.05%)工藝來生產(chǎn)無鋅花

產(chǎn)品。 無鉛或低鉛工藝就是通過降低鋅液中的鉛含量，使鋅層在凝固過程中增加形核點的數(shù)量，致使形核速度增加，同時降低晶粒長大速度，從而

阻止鋅花晶粒的長大。無鋅花產(chǎn)品表面不存在大量的晶界減薄和鋅花的起伏，再經(jīng)過光整后可獲得非常平滑的表面。這種產(chǎn)品經(jīng)涂漆后可得到高質(zhì)量

的涂漆產(chǎn)品。

Zinc flower production, mainly contains lead elements.High purity zinc cannot generate zinc flowers because of the lack of a crystalline nucleus found in it.

In the zinc ingots used in previous zinc plating, they all contain more or less a certain amount of lead, mainly due to the common existence of zinc and lead in

the smelting, distillation and condensation of zinc mines.Therefore, people can always see the zinc flower patterns on the surface of galvanized products.

In recent years, the purity of zinc produced by electrolytic recovery method can reach more than 99.99%, so that lead in zinc, galvanizing manufacturers can

produce zinc-free flower products by using lead-free (about 0.01%) or low lead (about 0.01% to 0.05%) process.Lead-free or low-lead process is to reduce the

lead content in the zinc liquid, and make the zinc layer increase the number of nuclei during the solidification process, resulting in the increase of the core speed,

and reduce the growth speed of the grain, thus preventing the growth of the zinc flower grains.Zinc-free flower product surface does not have a large number of

crystal boundary thinning and zinc flower fluctuations, and then after the light finishing can obtain a very smooth surface.This product is painted with high

quality painted products.