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彩涂板都是由基板、镀层、涂层组成。影响防腐性能的主要是涂层和镀层。按照镀层材质的不同分为镀锌彩涂板和镀铝锌彩涂板。

金属铝在防腐上有其独到之处该金属在空气中会迅速形成致密而厚实的氧化铝膜，这种氧化铝膜的迅速形成阻止了腐蚀的进一步侵入。

镀铝锌板利用了铝的氧化膜遮盖保护作用与锌对铁的电化学保护作用，一般认为较镀锌板有更好的防腐性能，

但是镀铝锌对于氨水的耐腐蚀性能较镀锌材料差很多，所以在畜禽舍环境不建议采用镀铝锌。

Color coating board is made up of base plate, coating and coating. Coating and coating are mainly affected by the corrosion resistance performance.

According to the different coating material is divided into galvanized color coating plate and aluminum plated galvanized color coating plate.

The metal quickly forms a dense and thick alumina film in the air, the rapid formation of which prevents further invasion of corrosion.

Aluminized zinc plate uses the protective effect of aluminum oxide film and zinc electrochemical protection of iron,

which is generally believed to have better anticorrosion performance than galvanized plate,

but the corrosion resistance of aluminum zinc for ammonia is much worse than that of galvanized material,

so it is not recommended to use aluminum zinc in the livestock and poultry house environment.