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US5141782A Colored zinc coating 失效
有色锌涂层

Colored zinc coating
摘要:
This invention permits, in a colored galvanized coating using Ti-Zn, Mn-Zn, Ti-Mn-Zn, (Ti, Mn)-(Cu, Ni, Cr)-Zn, etc., to clearly and stably develop yellow, purple, green, blue or other color by controlling the composition of a galvanizing bath and oxidizing conditions. Further, gold, dark red, olive gray and iridecence color which have not yet obtained can be developed. The color development effected by this invention is clearer than conventional. Instead of galvanizing, the spraying process may be adopted. The surface painting on the colored zinc coating is effective.
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