Basic knowledge of garnet

翠榴石

Garnet is a kind of calcium iron garnet in garnet, which is a silicate mineral. The garnet is a gemstone for its beauty and scarcity. Viewed under the microscope, there are some asbestos fibers in the garnet. This is a sign of distinguishing between true and false garnets. The garnet has a higher dispersion than diamond, so some people call it the most shining gem in the world.

Garnet: As the name implies, it is an emerald green garnet. Calcium iron garnet containing chromium, usually yellow-green or emerald green, is mainly produced in Russia's Ural Mountains and has a small yield. The most proud of the garnet is its dispersion, which is 0.057, which exceeds the diamond by 0.044. In addition, its excellent refractive index and gloss, the flicker is unusual and amazing. This is why the quality of garnet and emerald price is quite the same.

It was discovered in the Uralmountains of the Ural Mountains in Russia in 1868, and it produced a small number of intermittently, and the Ural Mountains are almost the only place of production. Something was discovered in Namibia in Africa in the mid-1990s. The rarity of garnet is more than that of the Tsavo Stone, and the quality of the garnet is even rarer. Most of the garnets are less than 1 carat, and the high quality garnet of 2 carats is very rare, while the 5 carat high quality garnet is the jewel of the world class world class.

Plastic Label

In short, the application characteristics of self-adhesive can be used to regard the self-adhesive label as the carrier of anti-counterfeiting information, so that its application scope is more extensive, and the label of personalized information has a broad prospect. In particular, the current national policies and regulations (such as requiring imported products to be pasted with Chinese instructions, origin marks, etc.) provide market space for the application of self-adhesive, and also provide business opportunities for self-adhesive printing.

AQSIQ provisions, meat products, dairy products, beverages, condiments, frozen food, instant noodles, biscuits, canned, frozen rice noodles, puffed food and other food began to implement the market access system, must be affixed with the QS mark before the factory and into the circulation field. In addition, the general administration of quality supervision, inspection and quarantine regulations, from this year on August 1, the 19 categories of 132 kinds of goods (involving electronics, electrical appliances, air conditioner, and other products), to implement compulsory certification (3 c certification), the regulation adopts 6 types of stickers, anyone without 3 c compulsory product certification mark is allowed to leave the factory, also not allowed to enter the circulation field sales. This provision also provides business opportunities and markets for the adhesive enterprises.

Self-adhesive labels are very popular in this field, not only because they can be pasted, printed and designed, but more importantly, electronic products need to use labels to achieve some specific effects. For example, the label texture is strong, can be well matched with electrical appliances, or the label can resist the corrosion of the external environment, high temperature resistance, etc. Often in different parts of an electrical product, need to use several forms of label materials, the great development of the electronic industry, especially in South China and East China, for export proportion is relatively large, but also drive the main area of sticker label material consumption. As in other fields, label materials used in the electronic industry generally have relatively high requirements. Many multinational companies have their own strict detection methods, such as stickiness, scratch resistance, temperature resistance, etc. But in general, many enterprises have put forward the requirements of label materials with UL certification.

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