| Message: | Products DescriptionCorrugated galvanized steel sheet is also called the hot dipped galvanized steel corrugated sheet. It is applied to the roofs,Website:http://www.galvanized-steel.com, walls and interior
and exterior walls, especially in industrial and civil buildings, warehouses,
special buildings, large span steel structures, and so on. It is characterized by light weight, high strength, nice color, convenient and quick construction, fireproof, rain proof, long life and no maintenance.The technology treatment of corrugated galvanized steel sheet is hot dipped galvanized technology, which greatly enhances the corrosion resistance of the
steel plate, and makes the corrugated sheet more antioxidant than the ordinary galvanized steel sheet in the open and wet environment, and it greatly prolongs the service life of the corrugated galvanized steel sheet.Equipments & WarehouseExhibitionReasons for white rust on the surfaceUsually there are black spot and whiter rust on the corrugated galvanized steel sheet surface. It is considered as bad treatment and galvanization.The black spot is formed by the further oxidation of white
rust. The causes of white rust are as follows:(1) the passivation is bad, and the thickness of passivation film is not enough or uneven.(2) no oil on the surface;(3) the residual water on the strip surface;(4) uncompletable drying of passivation;(5) wet or soaked in transportation or storage.(6) the storage time of the finished product is too long;(7)corrugated galvanized steel sheet is contacted or stored with other corrosive media such as acid and alkali. During production, we successfully avoid the black spot and white rust on the corrugated galvanized steel sheet and guarantee the long life usage of it. Quality GuaranteeNo matter what quantity or size customers require, what pattern or special surface customers ask ,customers will be entertained by our whole team.The production can be customized at our client's request:♦ Printing and logo on the ......url:http://www.galvanized-steel.com |
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