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你知道现在彩鋼卷多少钱一吨呢？

来源：宝钢彩塗卷 | 發布日期：2022-06-23

大家应该知道，南北地区温度相差还是比较大的。温度的差别会对彩鋼卷会有哪些影响呢？小编整理了一些相关知识，供大家参考。

彩鋼卷

1.溫度

當溫度較高時，塗層變軟，腐蝕性介質易粘附。它很容易滲透到基礎線圈和高溫水中。在一定溫度下，氧含量增加，腐蝕速率加快。

2.濕度

底座線圈在切割和加工損傷處的腐蝕屬于電化學腐蝕，在低濕度下不易形成腐蝕性電池（即電化學電路）。

3.晝夜溫差

此外，溫差大還導致塗層頻繁冷熱變形，加速塗層的老化和松脫，外部腐蝕性介質容易滲入底輥。

4.日照時間和日照強度

太阳光是电磁波，根据能量和频率可分为两部分γ 射线、X射线、紫外线、可见光、红外线、微波和无线电波。波和无线电波能量低，不与物质相互作用。红外也是一种低能光谱，它可以拉伸或弯曲物质的化学键，而不是破坏它们。可见光赋予万物丰富的色彩。紫外光谱是一种高频射线，比低能谱具有更大的破坏力。众所周知，皮肤黑斑和皮肤癌是由太阳紫外线引起的。同样，紫外线也能破坏物质的化学键。这取决于紫外线的波长和物质的化学键强度。X射线有穿透作用，γ 射线会破坏化学键并产生对有机物致命的带自由电荷的离子，这要归功于它们在太阳光下的稀有性。由此可见，日照时间和强度对涂层结构的稳定性有影响，特别是在紫外线较强的地区。

4.降雨量和降雨的酸度

降雨酸度大肯定對耐腐蝕是不利的。但降雨量則有雙重作用，對牆面卷及坡度大的屋面卷，降雨有清潔鋼卷表面、沖走表面腐蝕産物的作用，但對于低坡度的屋面卷以及排水不暢的部位，降雨量大則容易引起腐蝕加劇。

5.風向和風速

風向和風速的作用和水類似，而且往往相伴而來、它對于材料的連接部位是一個考驗，因爲風會導致連接部位松動，雨水會滲透到建築物的內部。

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