no-ferrous metals 有色金属
There were no apparent different effects between using ferrous sulfate and using ferrous ammonium sulfate, the former was much cheaper and no secondary pollution.
用硫酸亚铁的效果与用硫酸亚铁胺的效果相差不大，且前者价格便宜，使用中不会造成二次污染；
G4265 , G4265S, GZ4265column horizontal band saw machine is mainly used to cut various ferrous metals and no-ferrous metals.
GZ4265立柱卧式带锯床，主要用于锯切各种黑色金属、有色金属。
The result showed that by using chemical cleaning media to prevent autoignition of ferrous sulfide, the effect is obviously good with no corrosion, no pollution, and simple and quickly.
应用结果表明：选择化学清洗预防硫化亚铁自燃，效果明显，且无腐蚀、无污染，简单、快捷。
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