925 sterling silver.

925 represents the purity of silver. It is 92.5% silver and 7.5% alloy. This is the low purity of silver, just like 999 gold. Because the foot Silver is too soft and easy to oxidize.

Silver is an active metal, which is easy to react with sulfur in the air, making silver blackened. Therefore, when wearing, try to contact with air as little as possible, and it is not suitable to wear in places where chemical gas is thick. After touching the sulfur soap, it is dried. Due to the characteristics of silver itself, the silver texture is very soft and easy to scratch, and it is not suitable for more and more delicate technological requirements, as well as the increasingly rich and exaggerated modeling requirements of modern popular ornament. In addition, silver is easy to change color and lose luster, so 7.5% alloy is added to make silver have ideal hardness, brightness, luster and oxidation resistance. Moreover, it can be inlaid with various gems, diamonds, Jade and zircon. From then on, silver jewelry has become a new generation in the fashion industry with a fashionable taste of bright color, unique style and exquisite craftsmanship at a mid-range price.

925 sterling silver white gold plated

silver is an unstable metal, which will turn yellow and black due to external factors. At present, there is no way to prevent its change in the world. Platinum (Palladium, RH) plated on 925 silver can effectively isolate 925 silver's contact with the outside air. This platinum effect varies according to the degree of protection of jewelry, generally, it can last for 4-12 months, and then it will become the effect of silver itself.

925 sterling silver (Thai silver colors)
in order to hide the characteristic of easy discoloration of silver, another method is to vulcanize silver directly, making it impossible to turn yellow and black. The vulcanized Silver presents a primitive and simple effect. This method originates from Thailand, also known as "Thai Silver", usually this Thai silver color is used for ornament.

925 silver (argent pur)
92.5% silver +7.5% copper alloy is the standard of sterling silver, usually white gold plated (RH), in case of yellowing and blackening due to oxidation or vulcanization, there is no white gold plated 925 silver, which is called "argent pur".

Precautions for wearing

according to the principle described above, the following points should be paid attention to in the process of wearing silver accessories:
1. Before wearing silver ornaments, apply a layer of colorless nail polish to make the surface shiny and lasting.
Silver ornaments should be avoided from being worn in hot springs or seawater areas. Silver ornaments are easy to change the surface when exposed to warm water or sulfide.
When taking a bath or swimming, be sure to take off the silver ornaments to avoid contact with chemicals such as drift viper.
When making up, please try to avoid contact between cosmetics and perfume and silver ornaments.
During the wearing process, please try to avoid any other chemicals contacting silver ornaments to avoid chemical reactions.
After each wear, you can gently wipe the surface with cotton cloth or facial tissue to remove moisture and dirt, and then store it in envelope bag to avoid contact with air.

Handle black silver ornaments

if unfortunately your silver ornaments have changed color and turned black seriously, please try the following methods:
1. You can try to wipe the slight black oxide on the silver surface with drawing eraser.
2. You can try to apply a little toothpaste on the surface of the silver ornaments, scrub it with a toothbrush dipped in warm water, and then dry it with all-wool soft woolen cloth.
3. When the silver surface is slightly corroded and slightly discolored, you can wipe it gently with detergent or hot medium soap, scrub it with soft brush first, and then dry it with all-wool soft woolen cloth, at this time, the silver ornaments will show the original light.
4. Rinse with washing powder and warm boiled water to form a solution, then wet the surface with phosphoric acid solution, and then wipe with flannel to make the silver ornaments cleaner.
5. The silver ornaments appear light brown when they are oxidized. They can be wiped with a little silver oil on a soft cloth, soaked in silver wash water, or directly wiped with silver polishing cloth.
6. Place the silver ornaments in silver wash water for a little soaking, and wash them with clean water after taking them out.
7. Use silver polishing cloth, which is a fast and convenient way; Silver polishing cloth silver cloth contains silver maintenance ingredients, which cannot be washed with water. The stains generated by wiping are silver, which can be used for many times.
8. Silver ornaments with three-dimensional workmanship, avoid deliberately wiping the light.
9. Silver ornaments are easy to darken if they are not sealed or often wiped.
10. The best maintenance method of silver ornaments is to wear them everyday, because human body oil can make silver produce natural and moist luster.