Jewelry consumer market is growing rapidly, but also repeatedly burst jewelery "quality door", seriously affecting consumer confidence, as consumers in order to protect their own rights and interests, buy jewelry free, be sure to learn to identify before buying jewelry imprint. Jewelry simulation jewelry recognition (including platinum, gold, etc.) with its attractive color, hedging function, jewelry family occupies a very important position. The various types of simulation jewelry (including forging gold, gold, etc.) with its precious metal color, inexpensive consumption, by the people of all ages. If you look closely, you will find that there are different marks on the inner ring or the back of each type of jewelry. These marks are not only insignificant Explain the type of jewelry, also tell you the fineness of jewelry. Platinum Jewelery Platinum Jewelery Foot Platinum: Platinum content is not less than 990 and marks "Foot Platinum" or "PT990". 950 Platinum: platinum content of not less than 950, hit the "platinum 950" or "PT950" mark. 900 Platinum: Platinum content of not less than 900, hit the "platinum 900" or "PT900" mark. 850 Platinum: Platinum content of not less than 850, Platinum 850 or "PT850" mark. Platinum jewelry other material is mainly the same elements of its palladium (Pb), such as PT900 said platinum 90%, containing 10% palladium, and so on. Platinum jewelry platinum content is generally not less than 85%. Silver jewelry Silver jewelry silver: silver content of not less than 990 points, playing "full silver" mark or mark according to the actual content. 925 Silver: Silver content of not less than 925 points, hit the "Silver 925" or "S925" mark Other Other gold: the use of electrolysis principle Silver or bronze jewelry surface coated with a layer of very thin gold, China Industry-standard gold plating is not less than 0.5um thick, with a thickness greater than 0.05um even for thin gold plating and "GP" or "KP" for gold-plated jewelry. Gold: The gold foil wrapped in silver, copper and other metal materials on the surface, gold color requirements of not less than 10K, the weight of not less than 1/20 of the total weight of the material, commonly used KF said. Forging gold: essentially subordinate to the package of gold, is under high temperature and pressure conditions, the gold forging on the other metal jewelry rough surface. The quality requirements of the gold foil is greater than 10K, of which the total amount of forging K gold shall not be less than 5% of the finished product, which is marked as "GF" or "KGF". Forging gold surface hardness, high wear resistance, difficult to lose the gold texture.
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