Does anyone know the English letters written on the necklace 18kgpma, and there is an English letter in the mouth on the pendant. Who knows what material is?

1 thought on “Does anyone know the English letters written on the necklace 18kgpma, and there is an English letter in the mouth on the pendant. Who knows what material is?”

  1. The international standard is determined that 24K is pure gold, and 18K is equivalent to 75%purity gold
    [18 kgp] 18kgp is also known as K platinum. Platinum (belongs to 18K gold, not true 18K gold). Specifically, it means that its plating or gold layer is 18K gold plating or gold jewelry. K is a gold content, that is, the gold content of gold. The gold content per k is 4.166%. The 18K contains 75%gold
    GP as the abbreviation of Gold Plape in English. Forged at high temperature and cover the golden layer. Simply put, GP is a mark of gold plating or gold jewelry. The 18K or 23K in front refers to the gold content of the gold plating layer outside. K gold is divided into color gold alloy and white gold alloy according to the color. The color gold alloy that is used most in the jewelry is AU-AG-CU (-zn) alloy; most of the white gold alloy is AU-AG-NI (CU, Zn) and AU-AG-PD (-zn, CU) Department of alloys. Mixing 25%of 入 or nickel. Zinc, etc. in gold, it will become white, which is the main component of its gold. This is called white K gold, commonly known as K platinum.

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