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The Appearance Of Galvanized Sheet
Jun 05, 2017

(1) Surface Status: galvanized sheet as a result of coating process different treatment, surface state is also different, such as ordinary zinc flower, fine zinc flower, flat zinc flower, zinc-free flower and phosphating treatment surface. The German standard also provides for a surface level.

(2) Galvanized sheet should have a good appearance, no harmful defects in the use of products, such as no plating, holes, rupture and dross, more than plating thickness, abrasions, chromic acid dirt, white rust and so on. Foreign standards on the specific appearance of defects is not very clear. Some specific defects should be specified in the contract when ordering.