How can the gold-plated bracelet be electroplated so that it will not fade?

How can the gold-plated bracelet be electroplated so that it will not fade? -Accessories are coated with a layer of gold on some metal materials to achieve the effect of the gold outer tube. With the gradual maturity of this technology, with its own low price and beautiful appearance, it is deeply loved by contemporary young people. Each product uses a thick gold environmentally friendly electroplating process. The problem of keeping the product from fading for a long time, it must fade, because the metal is oxidized. Today, let the author introduce the process of gold-plated bracelet. Gold-plated bracelet processing process: the gold-plated layer is mainly plated on the nickel-plated layer, and the nickel-plated layer (low-stress nickel, semi-bright nickel, bright nickel, chemical nickel) 3～8.9μm, as a barrier between gold, copper and iron, mainly The role is to prevent mutual diffusion between gold, copper and iron. The brightness and flatness of the bottom layer play an important role in improving the metal layer. The gold on the gold-plated bracelet can also be plated on copper, brass and other substrates, but after long-term use, the copper will diffuse into the gold plating and lose the role of the gold plating. For steel, copper, silver and their alloy substrates, the gold coating is a cathodic coating. The porosity of the coating affects its protective performance. Depending on the base material of the pre-plated parts, the process of gold-plated bracelets is also slightly different. Copper and copper alloys need to be plated → layer of bright nickel → flash gold → gold plating; on iron and iron alloy substrates need to be plated with copper cyanide → bright nickel plating → flash gold plating → gold or dark nickel plating → bright nickel plating → flash gold plating →Gold plating; gold plating on silver requires activation treatment, rapid water washing and then flash gold plating; for nickel or high-nickel alloy gold-plated bracelets, you need to flash nickel and then wash quickly and then flash gold. The purpose of flash gold plating is to make a good combination of gold plating and substrate. Acid solution is often used, and then gold plating is performed after cleaning with distilled water. Flash gold plating is particularly important for gold-plated layers with a thickness of more than 5 μm. The above is the process flow of the gold-plated bracelet shared by the jewelry. I hope it will be helpful to you. If you have better suggestions for our electroplating process, you are welcome to contact us: