What exactly does AT750 mean

This means that the gold content is 75 percent, which is AU750 gold.

AU750 gold is actually 18K gold, which is an alloy composed of 75% ** and 25% of other metals, of which 25% of the metal difference has different colors of AU750 gold, mainly white, rose gold, yellow and so on. AU750 gold is not expensive, but the craft style is very novel and fashionable, and a variety of complicated styles can be made, which is popular among young people now.

Platinum (white gold) jewelry basics.

Platinum is also known as white gold, the chemical element symbol is pt, it is silvery-white***, the hardness ratio is slightly higher**, and the density is. c), melting point, it has many excellent characteristics, such as corrosion resistance, oxidation resistance, and beautiful color, etc., because platinum has these characteristics, not only to be made into exquisite shape, tough white gold jewelry, but also can be used to make jewelry inlaid with jewelry, especially on the white gold base inlaid with sparkling diamonds, perfect combination, complement each other, is the most popular jewelry at present.

Types of white gold jewellery (common in the market).

PT990 jewelry, also known as platinum jewelry, has a platinum content of not less than 990 parts per thousand.

PT900 jewelry, the platinum content is not less than 900 parts per thousand.

PT850 jewelry, the platinum content of which is not less than 850 parts per thousand.

Seal of White Gold Jewelry:

Material and content imprint: e.g. PT900, which means that the platinum content is not less than 900 parts per thousand.

Manufacturer imprint: such as: Jing E, indicating that a manufacturer produces.

Diamond weight: For example, it means that the weight of the diamond set is carat.

Consumers should pay special attention to the imprint when buying jewelry, and distinguish platinum (white gold) jewelry from white K gold jewelry, white 18k gold imprint is 18k, platinum (white gold) is PT.

T750, which is estimated to contain 75% titanium jewelry, is a new jewelry variety in China, and it is safe to make jewelry.

Titanium jewelry is a new type of jewelry product that is emerging and gradually recognized and accepted by more and more people. Because of titanium.

It has many excellent properties, which are very suitable for jewelry processing.

First of all, titanium has the best biocompatibility of all metals and does not cause any allergic reactions to the human body.

If you're allergic to other metal jewelry, you won't switch to titanium jewelry. This is also the reason why people prefer to use titanium as artificial bones.

In addition, titanium has a small density and light weight, only half that of stainless steel, but has a greater specific strength. It is hard, so titanium jewelry is not easy to scratch like gold, silver and other jewelry. It is corrosion-resistant.

Titanium jewelry also has a very rich color characteristic. No need to dye, just change the thickness of the oxide film on the surface of titanium jewelry, you can get a series of color changes (by the refraction of light.

Caused).The titanium oxide film is exceptionally hard and does not discolor under natural conditions. This is also the place of other metals.

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