1、黄铜本色 2、青古铜 3、红古铜 4、镀黄金 5、镀玫瑰金
1. Brass natural color 2, green bronze 3, red ancient copper 4, gold plating 5, rose gold plating
Compared with gold plating, the natural color has less gold plating layer on the surface, which is relatively easy to corrode. The natural color is relatively dull and does not show luxury.
Principle of retro: bronze is the color of brass after immersion in liquid medicine. The depth of color depends on the degree of surface drawing. The conventional red bronze is the color of brass after copper plating, which is corroded after immersion in liquid medicine. Similarly, the depth of color also depends on the degree of surface drawing.
We have 24K gold for gold plating and 18K gold for rose gold. Customers may ask if rose gold is cheaper, and the answer is no, because rose gold belongs to color gold.