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热镀锌的环保镀锌与普通镀锌的区别只是所用的钝化液不同，普通镀锌所用的是六价铬，而环保镀锌用的是三价铬，

其价格差不多要比普通镀锌高出一倍。环保镀锌就是不用铬合物镀锌，因为铬合物对人，环境破坏非常严重，相比较而言，

热镀锌污染物排放更少一些。热镀锌的污染物主要是酸洗工件的废酸；冷镀锌的污染物主要包括酸洗工件的废酸、电镀废液、废钝化液等；

冷镀锌的污染物排放种类和数量都大大超过热镀锌。热镀锌产品广泛运用于电力铁塔、通信铁塔、铁路、公路防护、路灯杆、船用构件、

建筑钢结构构件、变电站附属设施、轻工业等。为铁塔生产提供优质原材料；为高速路供应高速护栏，保障行车安全；生产的异形件，

满足了不同行业的要求，市场潜力大，前景广阔。

The difference between the environmental protection galvanized of hot galvanized and ordinary galvanized is only the passivated liquid used is different,

ordinary galvanized is hexavalent chromium, and environmental protection galvanized is trivalent chromium,

its price is almost twice higher than ordinary galvanized. Environmental protection galvanizing is not without chromium compounds galvanizing,

because chromium compounds to people, environmental damage is very serious, in comparison, hot plating galvanized pollutants discharged less.

The pollutants of hot galvanizing are mainly waste acid of pickling workpiece;

the pollutants of cold galvanizing mainly include waste acid of pickling workpiece, electroplating waste liquid, waste passivation liquid, etc.;

the discharge type and quantity of pollutants of cold galvanizing greatly exceed that of hot galvanizing.

Hot-dip galvanized products are widely used in electric power tower, communication tower, railway, highway protection, street lamp poles,

Marine components, building steel structure components, substation ancillary facilities, light industry, etc.

Provide high-quality raw materials for tower production,supply high-speed guardrail for highway to ensure traffic safety;

and meet the requirements of different industries,with great market potential and broad prospects.