Since ancient times, gold and silver have been a symbol of wealth in China. Silver has the effect of detoxification and poisoning. Gold and silver have not only been used as currency circulation in ancient times, but also the daily dining utensils, wearing jewelry and all symbolic powers of the upper-class society. The wealthy items are made of gold and silver.
In the feudal society and the ordinary people in China before the liberation, because of the hardships of life, gold is difficult to possess among the people, but the pursuit of beauty is the nature of the people. Therefore, the silver with the texture and the unassuming is naturally the main reason for the people to make jewelry. The materials that make silver in China have a culture for thousands of years.
Since the founding of New China, especially since the reform and opening up, the living standards of Chinese people have undergone earth-shaking changes. Gold jewelry is no longer a luxury that is difficult for the public to own, and since platinum and diamonds are more rare than gold, they have spread from Europe and America to domestic Gold, platinum, and diamond jewelry have become almost a must-have item for every household. It is not difficult for people to buy several sets of different precious jewelry. Rich gold, pure platinum, long-lasting diamonds have their own different meanings and connotations, and are loved by different consumers. Traditional silver jewelry, in addition to some old people and children's silver ornaments, loses the meaning of people. And status has long been favored by young people.
Glass fiber cloth is a glass ball or waste glass as raw materials by high temperature melting, drawing, yarn, weaving and other processes made of its monofilament diameter of a few microns to twenty meters a few meters, the equivalent of a Hair hair 1 / 20-1 / 5, each bundle of fiber raw silk by hundreds or even thousands of monofilament composition.
The characteristics of glass cloth
1, for low temperature -196 ℃, high temperature between 300 ℃, with weather resistance.
2, non-adhesive, easy to adhere to any material.
3, chemical resistance, resistance to strong acid, alkali, aqua regia and a variety of organic solvents corrosion.
4, the friction coefficient is low, is the best choice for oil-free self-lubricating.
5, light transmission rate of 6 to 13%.
6, with high insulation properties, anti-ultraviolet, anti-static.
7, high strength. Has good mechanical properties.
8, resistance to drug
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