Video Channel of China SHANGHAI FAMOUS TRADE CO.,LTD
Chat Now Contact Us
Home Videos Playlist Website

Unpolished Sapphire Tube - High-Performance Single Crystal Al₂O₃, Custom Sizes Available

Other Videos
November 17, 2025
Category Connection: Sapphire Parts
Chat Now Contact Us
Tags:
#sapphire tube #sapphire bearings #sapphire windows
Brief: Get an inside view of the high-performance unpolished sapphire tube, showcasing its durability, thermal resistance, and customizable options for industrial and scientific applications. Learn how this single-crystal Al₂O₃ tube excels in extreme environments.
Related Product Features:
  • Withstands temperatures up to 2045°C, ideal for extreme thermal environments.
  • Mohs hardness of 9 and high compressive strength (2.1 GPa) for excellent wear resistance.
  • Excellent optical transmission from UV to mid-IR (280-3500 nm) for optical applications.
  • Inert to most acids and alkalis, ensuring durability in aggressive chemical environments.
  • High resistivity (>10¹⁶ Ω*cm) and low dielectric loss for electrical insulation.
  • Customizable sizes and shapes, including diameters up to 300 mm and lengths up to 300 mm.
  • Suitable for thermocouple protection, optical systems, and semiconductor equipment.
  • Available with optional drilling, slotting, and surface finishing for specific needs.
Faqs:
  • What is a sapphire tube?
    A sapphire tube is a cylindrical component made from single-crystal sapphire, known for its exceptional mechanical strength, thermal resistance, and optical clarity, making it ideal for high-performance applications in extreme environments.
  • Can sapphire tubes be customized?
    Yes, sapphire tubes can be customized in terms of diameter, length, wall thickness, and surface finish. Additional options like drilling and slotting are also available to meet specific technical requirements.
  • What is the difference between a sapphire tube and a quartz tube?
    Sapphire tubes are harder and stronger than quartz, with superior thermal and optical performance. They also offer better chemical resistance and can withstand higher temperatures, making them more suitable for demanding applications.
  • What is the maximum operating temperature for sapphire tubes?
    Sapphire tubes can operate in temperatures up to 1600°C, with a melting point of 2045°C, ensuring reliable performance in high-temperature environments.
Related Videos
4H-N Type SiC Substrate 10×10mm Small Wafer 00:11

4H-N Type SiC Substrate 10×10mm Small Wafer
sic crystal
July 30, 2025
Custom Sapphire Crystal Optical Domes K9 Windows for Protective Housings 00:10

Custom Sapphire Crystal Optical Domes K9 Windows for Protective Housings
sapphire glass
August 26, 2025
Custom Synthetic Ruby and Blue sapphire glass By CZ method 00:11

Custom Synthetic Ruby and Blue sapphire glass By CZ method
color doped sapphire
August 02, 2022
Multi-Shape Cutting of Synthetic Colored Sapphire Gemstones Padparadscha 00:08

Multi-Shape Cutting of Synthetic Colored Sapphire Gemstones Padparadscha
color doped sapphire
August 01, 2025
4inch 6inch 8inch 12inch DSP sapphire wafers Made in CHINA 00:29

4inch 6inch 8inch 12inch DSP sapphire wafers Made in CHINA
sapphire glass
September 08, 2022
Ruby Laser Rod / ruby sapphire/color sapphire for watch case/blue sapphire crystal 00:28

Ruby Laser Rod / ruby sapphire/color sapphire for watch case/blue sapphire crystal
color doped sapphire
September 09, 2022
​​Double-Side Polished High-Purity SiC Mirror Optical Component for MEMS Micromirror 00:15

​​Double-Side Polished High-Purity SiC Mirror Optical Component for MEMS Micromirror
SiC substrate
September 25, 2025
12inch Diameter 300mm 1.0mm Double Side Polished Sapphire Wafers 00:26

12inch Diameter 300mm 1.0mm Double Side Polished Sapphire Wafers
sapphire glass
October 10, 2022
10x10x0.5mm SiC 2sp 4H-SEMI 4H-N SIC Silicon Carbide Wafer 00:12

10x10x0.5mm SiC 2sp 4H-SEMI 4H-N SIC Silicon Carbide Wafer
sic crystal
September 09, 2022
Ruby sapphire Rod for optical by Cz method 00:16

Ruby sapphire Rod for optical by Cz method
color doped sapphire
August 02, 2022