Talk About The Classification of Si ### er

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2, 925 sterling si *** er high polished Si *** er mined in the first time, shines with a beautiful white color (creamy white), but once exposed to air, but once exposed to air, will be in a very short time into si *** er color (White), Si *** er in the production of finished products, through high polished or satin plating method can reproduce the si *** er mined in the first when the bright white, but the same cannot be maintained in the air, about 15 days back into si *** er color, this bright White is just a good-looking on will sell (such as TIFFANY series), so if the counter sales, use plastic film sealed packaging.

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3, Thai si *** er Si *** er is easy to cover up the characteristics of color, there is a way directly to the si *** er sulfide, so that cannot be dark yellow, si *** er sulfide, after the effect of rendering a primitive simplicity, this approach comes from Thailand, also known as " Thai si *** er, "Usually the Thai men's si *** er jewelry and more will be used. Si *** er jewelry has always been to give people a sense of plain, but it can create complex soft shapes, this point is that gold, platinum and other precious metals cannot match. If the match is good, si *** er jewelry can still decorate a noble sense of the known U.S. Tiffany jewelry is one of them.

1, 925 sterling si *** er plate platinum Si *** er is an unstable metal, black and yellow because of external factors, the world still did not prevent the change of approach. Platinum plated 925 si *** er outside (Pd, Rh) 925 can effectively cut off from contact with si *** er on the outside air, so that the platinum effect of the protection according to their different levels of jewelry, usually can be maintained 4-12 months, after which will become Effect of si *** er itself.

Si *** er can be divided into two major categories of fine si *** er and full wages: Fine si *** er: si *** er content of not less than 990 thousandths called fine si *** er. As it is too soft, not easily cast into a favorite jewelry style, black and easy to wear and oxidation. Therefore it is not suitable for jewelry production. Full wages si *** er: si *** er content 925 thousandths, said scores of no less than full wages. Also known as "925 si *** er", full wages are usually joined with 92.5% Si *** er 7.5% copper mixed. The incorporation of copper, its products in the polished gloss are more bright beautiful than fine si *** er, so often used as jewelry and si *** er utensils materials. In order to increase 925 si *** er jewelry glosses and reduce the oxidation degree, some manufacturers will plate platinum in the top layer of. These products are known as real products in the industry. 925 Si *** er types: