thailand diamond jewelry wholesale What does it mean to represent the gold necklace AU750? What materials do the color gold necklace use?

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5 thoughts on “thailand diamond jewelry wholesale What does it mean to represent the gold necklace AU750? What materials do the color gold necklace use?”

  1. Ruben

    jewelry boxes with logo wholesale AU750 refers to the melting of alloys composed of 75%gold and 25%of other metals, and 75%gold adds gold, aluminum, silver, cobalt, tadpoles, iron, cadmium, nickel and other metals.
    au750 commonly known as 18K gold. Usually used to make jewelry, the mark is G18K, G750, or AU750 "The meaning of G in it".
    "18K" (or AU750) jewelry refers to the pure gold content of 18 cents, that is, 75%gold plus 25%of other metal alloys (such as silver, crickets, zinc, nickel, etc.) A kind of jewelry formed.
    18k gold jewelry not only has the precious value of gold, but also has the advantages of strong ductility, high hardness, and variety of color due to its perfect proportion.
    18k gold is the common specifications of jewelry. The state stipulates that gold jewelry below 9K cannot be called gold jewelry. Some gold jewelery has a text mark, which requires: foot gold-not less than 99%, and thousands of gold-gold content greater than 99.9%.
    The regulations on gold product marks and logo cards in my country generally require production enterprise codes, materials names, content marks, etc., and unqualified products are unqualified products. The same is true internationally. But for some particularly small products, they are also allowed not to mark. 18K gold marks are generally the words AU750, 18K or G750.

    The expansion information:
    au750 gold can determine its color according to its different types of gold.
    The main popular categories in China are divided into:
    The white K gold: 75% silver, nickel zinc combination (nickel must not exceed 0.3%)
    Platinum color K gold: 75% Silver chromium
    Blue K gold: 75% iron (appropriate)
    black K gold: 75% thick iron
    Purple K gold: 75% lead n yellow K gold: 75% nickel silver zinc
    Rose K gold: 75% copper silver zinc
    white k gold: 75% silver nickel platinum zinc or 75% 钯 钯 钯, This is a slightly blue -yellow white
    Reference information Source: Baidu Encyclopedia_Caijin

    Baidu Encyclopedia_AU750

  2. Shawna

    antique jewelry wholesale The gold necklace AU750 represents a alloy composed of 75%gold and 25%of other metals, and the color is colorful. Colorful gold is made of copper, aluminum, silver, cobalt, cobalt, iron, iron, cadmium, nickel and other metal melting with 75%gold, which shows different colors depending on the alloy.
    The color gold is K gold added some kind of precious metal, which becomes different colors. The prize is generally 18K gold. Mainly show rose, white and pink. High hardness is higher than pure gold. Compared with traditional gold and platinum, the color gold can not only make the color of the color gems stronger, but also reflect the delicate and delicate metal material.
    The color of the colorful jewelry can be presented by the color of the jewelry material, or it can be presented by the color of the layer of metal. Because the color of most K gold materials is difficult to achieve a beautiful and beautiful effect, the color of the layer of metal is presented more.
    Extension information:
    Common color of gold jewelry:
    1, white K gold: most of AU-AG-NI (CU, Zn) and AU-AG-PD (-zn, CU) Department of alloys. Mixing 25%of 入 or nickel, zinc, etc. in gold will become white, and the main component of its composition is gold.
    2, red K gold: It can be made of gold, silver, and copper three yuan alloys, but the proportion of copper is increased, and the color is close to the color of copper, not very beautiful. Bright red K gold is gold and aluminum formation alloys, which are crispy and difficult to process. The proportion of aluminum to form purple K gold, its pale purple is quite charming, the same is crispy, and it is difficult to process.
    3, yellow K gold: It can only be made of gold, silver, and copper three yuan alloys. Yellow is the true nature of gold. Try to maintain the color of the gold itself.
    4, blue K gold: Basically forming a alloy of gold and iron, but its production process is extremely confidential, patent registration is performed around the world, and cobalt elevations are injected into the surface of K gold.
    Reference materials Source: Baidu Encyclopedia-AU750
    Reference materials Source: Baidu Encyclopedia-Gold

  3. Tony

    the wholesale jewelry king Lottery is also platinum. It is not made of platinum and gold mentioned above. Gold is a kind of rose red, all platinum. AU is a sign of 18K platinum. Platinum. 75 percent of the gold content.

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