Jewel balls are made of synthetic sapphire/ruby. 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.
Jewel balls are made of synthetic sapphire/ruby. 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.
For good mechanical properties and hardness( Mohs 9), sapphire and ruby are often used for the bearing of many meters, clocks, parts of abrasion-resistance. V-shape and U-shape bearing are widely used in flowmeters, ammeters, water meters.