已经有次观看 jwm在2015-10-08发布

Channel：Non-ferrous Metal 标签： Tungsten  gold  hardness 

简介：Tungsten gold jewelry advantages: 1. High hardness: Mohs hardness 8.9--9.1 is 10 times the 18K gold, titanium gold four times, equal to natural sapphire. The Tungsten gold jewelry is very high hardness, wear resistance, not easy to scratch. Deformation and other issues. 2 high brightness. After polishing can make a gem like color and shine. Brightness is like a mirror. 3.Tungsten gold jewelry good corrosion resistance. Through the artificial sweat test, no corrosion, do not fade, do not change color, not allergic, non rusting, gloss can keep long-term and often new. 4.Tungsten gold high density, strong texture.