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Manual PP&PET strapping tool

The main cause of bluing tin packaged with rust

by:Hongmei     2020-07-03
The main cause of bluing tin packaged with rust. The first kind of circumstance is because bluing tin packaged with a layer of water film condensation on the appearance, when the air moisture content of 60% or within 85 ~ 95%, and the PH value is less than 6, the corrosion reaction is more intense. When the water temperature as high as 70 ℃, its fastest for bluing iron straps outer corrosion. The second case is due to indoor air humidity is high, the place is dark damp places, bluing iron straps are easy to be moisture corrosion.
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