Sapphire Capillary tube


Sapphire Tube is a transparent single-crystal alumina material, which has excellent chemical stability and excellent mechanical, thermal, and optical properties. As raw materials, its performance is much better than glass, quartz, and other mass-produced transparent materials.

  • -High Strength, High Rigidity, High Anti-Abrasion, High Anti-Heat, High AntiCorrosion Characteristics, and High Anti-Plasma Characteristics.

  • Because of these characteristics, Single Crystal Sapphire is widely used for precision mechanical parts.

  • -Stable Dielectric Constant, Very Low Dielectric Loss, Good Electrical Insulation.

  • Single Crystal Sapphire is used as a material for substrates in super-high frequency regions. It is also used as an insulation material and microwave window. Single Crystal Sapphire has become indispensable in the Electronics Industries.

  • -Excellent Light Transmission.

  • Single Crystal Sapphire is used for various kinds of vacuum equipment, windows in reaction furnaces, scanner windows, and caps for optical communication due to its excellent mechanical characteristics and heat resistance.

  • -Good Thermal Conductivity and High Heat Resistance.

  • Excellent thermal conductivity at low temperatures allows Single Crystal Sapphire as a transparent material to be used in many diverse fields requiring thermal conduction and heat radiation.

  • Sapphire Tube Applications

  • (1)High Brightness LED

  • (2)HB-LED Semiconductor, Piezoelectric Semiconductor, Superconductor, Thin Film Substrate.

  • (3)MR Sensor, Precision Resistor

  • (4)Optical Devices

  • (5) Thin Film HICO

Diameter3mm to 200mm
Diameter Tol.+/-0.02
MaterialSapphire (Al2O3)
Surface Quality40-20 standard
Flatness1/4 lambda
Chamfer0.25mmx45degree
CoatingAR Coating is on request.


Our custom sapphire glass parts including sapphire tubes, sapphire lenses, sapphire rods, sapphire IPL light guides, micro sapphire rods, sapphire T-step windows, sapphire tapered rods, sapphire cones, sapphire wedges, sapphire optical prisms, sapphire substrate, Sapphire lenses,sapphire ball,sapphire half ball lenses,sapphire watch glass, sapphire watch lens, sapphire single dome, sapphire double dome and so on.



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