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镀锌板出现白锈怎么办?

返回列表 来源: 发布日期: 2020.02.07

镀锌板出现白锈怎么办?

天物彩板全国生产配送——山东聊城镀锌彩涂板价格_聊城镀锌板厂家电话请拨打网站上方电话免费咨询

聊城镀锌板

近日,无论是南方还是北方,暴雨频繁,空气湿度加大,镀锌板、镀铝锌板白锈现象将会频繁出现。
一般来说镀锌钢板出现白锈往往是运输或储存的原因,因为白锈的产生代表了钢卷处于高湿度状态,甚至被水浸泡过,有时由于长距离运输或者天气的急剧变化钢卷会产生结露现象,这也非常容易引起白锈的产生。
如何防止出现白锈?出现白锈了该怎么办?小编给你来支招:
一、订货时,根据后续使用情况,选择不同的处理:包括铬酸处理、涂油、磷酸盐处理或者耐指纹处理;
二、镀锌卷在运输过程中盖好雨布,无论当时是否下雨,如果使用船运避免海水侵泡;
三、镀锌卷储存在通风良好、地势较高的地方,如果湿度过大也可以考虑使用干燥机;
四、如果产生结露或者被水浸湿要拆开包装,尽快干燥;对于已经产生的白锈可用布浸泡草酸擦除,再用清水冲洗并干燥;
五、遵循先到先用,尽快使用的原则,避免镀锌卷长期存放;
六、对于南方高温潮湿地区尤其要注意

Recently, no matter in the South or in the north, with frequent rainstorms and increased air humidity, the white rust of galvanized and aluminized zinc plates will appear frequently.
Generally speaking, the occurrence of white rust on galvanized steel sheet is often the cause of transportation or storage, because the occurrence of white rust represents that the steel coil is in a high humidity state, even soaked in water, sometimes the steel coil will produce condensation due to long-distance transportation or rapid changes in weather, which is also very easy to cause the occurrence of white rust.
How to prevent white rust? What should I do if there is white rust? Xiaobian gives you some advice:
1、 When ordering, choose different treatment according to the subsequent use: including chromic acid treatment, oiling, phosphate treatment or fingerprint resistant treatment;
2、 The galvanized coil shall be covered with rain cloth during transportation. No matter whether it rains at that time or not, if it is transported by ship, the seawater shall not be soaked;
3、 The galvanized coil shall be stored in a place with good ventilation and high terrain. If the humidity is too high, the dryer can also be used;
4、If there is condensation or soaked by water, unpack and dry as soon as possible; for the white rust that has been produced, soak it in oxalic acid, and then wash it with water and dry it;
5、 Follow the principle of first come first use and use as soon as possible to avoid long-term storage of galvanized coil;
6、 Special attention should be paid to high temperature and humidity areas in South China

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