1 thought on “What is AU99.99?”

  1. gold.
    AU99.99 is pure gold. Its gold content is more than 99.99%. This color gold is red yellow and the texture is very soft. AU99.99 is also called Wanzu Gold or Four Nineteen. This gold is usually used to make gold bars and gold coins to collect value. The gold jewelry made is easy to deform and wear.
    Gold maintenance precautions
    1, gold jewelry do not contact acidic substances.
    2. When wearing a golden necklace, it should also be maintained in response to the buckle switch, and regularly drops a little sewing oil to the switch to prevent the miniature spring in the switch rust.
    3. Because some of the trace containing mercury (mercury) in the commercially available cosmetics, such as freckle creams often have phenyl hydroxyl mercury and two mercury, gold jewelry will appear white spots or blank after contact. At this time, do not scrape or sandpaper with a small knife. As long as the white spots or white jewelry appear to bake in the fire, and then wipe it with a soft cloth, the gold jewelry will restore the original luster.

Leave a Comment