Here are some of the silverware you have to know about Xiaobian for your friends. Let's learn together!
Why don't silverware buy in grams like gold?
When the finished silverware is sold, not only because of its own value, but also of its craft value, it can't be measured by grams. Naturally, it is not according to grams. Moreover, fashionable silver ornaments are set with precious stones, crystals, and can not be sold by grams. If the surface is coated with palladium-plated niobium, it is much higher than the value of silver itself.
Is it true that silverware will turn black after being placed in the light for a long time?
The chemical nature of silver itself is not particularly stable, and it is easy to chemically react with sulfur dioxide in the air under high temperature light to produce black silver sulfide.
925 silver and 990 silver that good?
925 silver is a relatively mature process containing silver. It combines craftsmanship and purity to create a variety of exciting styles. Fashionable people can choose according to their personal preferences. 990 silver is mainly for those skin sensitive people, such as children. Old man. Have their own characteristics.
What is the difference between 925 Silver and Full Silver?
925 sterling silver is 92.5% silver plus 7.5% copper sterling silver. It is an internationally recognized standard for sterling silver. Platinum is usually plated with white gold (white enamel) to prevent silver from turning yellow in the case of oxidation or vulcanization. black. In the current silver jewelry market, most of them use 925 silver, which is often used in mosaic, imitation K gold, white gold style. Full silver is 99% silver. Generally used in bracelets and gifts. In terms of hardness, silver is softer than 925 sterling silver.
What are the reasons for the blackening of silverware?
1. Everyone's endocrine and physical condition are different. Some people have more sweat in their sweat, some people are less, and some people have higher sulfur content in their body fluids. These are the substances that cause the surface of the silverware to become black, so each Individuals wearing silverware will produce different results, and some people will be as bright as new for half a year.
2. Sulfur, nitric acid and oxides in air and other substances (eg cosmetics) have a corrosive effect on silver. Silver jewellery is worn for a long time. When sulphur and silver are combined, a black silver sulfide film is formed on the surface of the silver jewellery. It begins to appear as tiny spots, which then diffuse into pieces, forming what is commonly called silver scale. It becomes black and affects the surface gloss of silver jewelry. People often mistake it for color.
What are the benefits of wearing silverware?
Silverware has a good health effect, it can integrate toxic substances in the human body. Silver ions have a strong bactericidal effect, can eliminate 650 kinds of pathogens, can be used as a test tool, which is very beneficial to the human body. It can also accelerate wound healing, prevent infection, and have the effect of purifying water and preserving and keeping fresh. The ancients said: wearing silver, healthy and wealthy will accompany you, and the five internal organs, calm the mind, stop the horror, in addition to evil. In medicine, it is much more effective than other precious metals for human health.
Will the silver color fade? Is it easier to get black compared to ordinary silver?
Either kind of silver reacts chemically with sulfur dioxide in the air and is easily oxidized to form black silver sulfide. The surface of the silver jewelry also has a protective coating, as long as it is properly maintained, it will not become black and dirty.
Woven Curtain Tape,Non Elastic Waist Tape,Pure Polyester Snap Tape,Woven Cord Tape
Dongguan Chuanchen Crafts Product Co., Ltd. , https://www.chuanchentextile.com