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Sapphire Ball

Source:Nanjing Sapphire Electro-Optics Co., Ltd     Update time:2016/3/2 22:26:35


 Jewel balls are made of synthetic sapphire. They are largely used in heavily corrosive environment and optical fiber communication because of its anticorrosion, wearable and fine transmission characteristics.
Jewel blind holed balls are used as insulated measure head on precise instruments.
Diameter: F0.80 ~ F12.00mm(sapphire), Max deviation of diameter: ±0.00127 
Technical Index 
Material: Synthetic sapphire
Tolerance of Diameter: 0.00125mm
Surface roughness: Rz0.1
Roundness: 10Grade~50 Grade 
Surface quality S/D: 40/20