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The finish suitable for decorative requirements is the one which is most often chosen. It provides a mixture of both aesthetics and corrosion protection. A finish of this standard fundamentally fulfils all industrial standards for finishes. While the industrial standard only removes and rounds off the side effects directly caused by hot-galvanising, such as paint drips or zinc nibs, the surface in total here is processed much more than just required by the standard.
The decorative finish clears the surface of roughness, in particular traces of hard zinc and drips. This improved surface smoothness can only be carried out on areas which can be easily reached by machines. If the materials generally require an increased coating thickness, the possibility of polishing and achieving a ‘smooth’ surface is limited. In this case separate agreements should be made between the client and supplier and finishing can only be carried out at cost. Work carried out for decorative finishing may only effect the surface in such a way that the valid DIN EN ISO 1461 is still fulfilled. As finishing involves mechanical treatment, the minimum thickness of zinc coating required by DIN EN 1461 cannot be guaranteed.
The extruding welding seam is not removed.