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济南铝板如何判断哪些是劣质的?

文章出处:www.jngdly.com 责任编辑:admin 发表时间:2014-12-26 18:39:55

济南铝板分为生铝与熟铝,生铝是98%以下的铝,性质对比脆硬,只能翻砂铸造商品;熟铝是98%以上的铝,性质柔软,可压延或冲轧多种器皿。那么大家在选购时如何判断铝板的质量呢?劣质铝板一般一般具备哪些特征呢?

1、济南铝板http://www.jngdly.com/如果劣质的话化学成分不合格,会致使修建铝型材化学成分不合格,严重危及修建工程安全,削减了化学试剂损耗,本钱降了,但型材耐腐蚀功能也大大降低了。
Jinan aluminum if the chemical composition of poor quality, then failed, resulting in the construction of aluminum chemical composition will fail, seriously endanger the safety of construction projects, reducing the chemical reagent

consumption, cost reduction, but the profiles corrosion function is also greatly reduced.

2、济南铝板质量差的氧化膜厚度薄。厚度不够,铝型材外表易锈蚀、腐蚀。抽验中一些无产名、厂址、生产许可证、合格证的铝型材,其氧化膜厚度仅2至4um,有的乃至没有氧化膜。
Jinan oxide film thickness of poor quality aluminum. Thick enough, aluminum exterior is easy to rust, corrosion. Sample testing of some proletarian name, address, production license, certificate of aluminum, oxide film thickness of only

2 to 4um, some even no oxide film.

3、济南铝板http://www.jngdly.com/不合格的运用时会由于空气、雨水、阳光等影响,致使铝型材变形,乃至形成玻璃决裂、掉落等表象。
Jinan failed when using aluminum due to the air, rain, sunlight and other factors, resulting in deformation of aluminum, as well as the formation of glass break, falling, etc. appearance.

此文关键字:济南铝板