Test, Quality Inspection of pre-coated steel Zincalume
        Zincalume pre-coated steel undergoes a continuous hot-dipped coating process resulting in its superior corrosion resistance over Galvanised Steel and Aluminised Steel when subject to identical application.The projective property of Zincalume is two foldssuch that aluminium protects against corrosive attack and enhance roll-forming while Zinc provides Cathodic protection.The combination makes Zincalume a few more superior coating than other process or material.        

          Moreover, through extensive laboratory test undertaken by the Chemical and Metallurgical Division of Hong Kong Productivity Council, it has been proven that pr-coated steel Zincalume, subsequently pre-painted either pre-forming or post-forming, still maintain its metallurgical properties more superior that pre-painted galvanised steel whether its pre-painted at the plant or on site.

          To summarize, the protective property of any pre-painted steel are only as good as the protective property of the pre-coated steel prior to pre-painting process. The resulting comparative test indicates that pre-coated Steel Zincalume's protective property is for more superior that Galvanised Steel as clearly exidenced by the exhibits below