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Sapphire Tube
Sapphire Tube Thermocouple Protection Sleeve for Petrochemical & Semiconductor Sapphire Tube Thermocouple Protection Sleeve for Petrochemical & Semiconductor

Sapphire Tube Thermocouple Protection Sleeve for Petrochemical & Semiconductor

The sapphire tube, mainly alumina (monocrystalline), boasts 99.995%+ purity, high hardness and excellent air tightness, widely used in petrochemicals, optics, lab equipment, & semiconductors.
  • item no. :

    CS-BS-G2001
  • Material : Sapphire

  • description

Properties of Sapphire Tube


  • Purity Levels: Our sapphire tube boasts a purity of 99.995% or higher, ensuring unmatched performance and reliability in demanding applications.

  • Exceptional Durability: With its high hardness and excellent wear resistance, this sapphire tube can withstand harsh environments and maintain its integrity over time.

  • Corrosion & High-Temp Resistance: Designed to be corrosion-resistant and capable of handling temperatures up to 1950°C, it's ideal for use in extreme conditions.

  • Chemical Compatibility: The tube can be in direct contact with acids, alkalis, and various chemical substances without degradation, making it versatile for a wide range of applications.

  • Superior Air Tightness: Ensuring excellent air tightness, it prevents leaks and maintains the integrity of the system, crucial for high-performance applications.

  • Versatile Applications: Suitable for use in high-temperature furnaces, chemical reactors, and other critical systems, our sapphire tube is a must-have for industries seeking reliability and performance.


Applications of Sapphire Tube



  • Petrochemical Industry Use: Our sapphire tube is widely utilized in the petrochemical industry for its exceptional durability and resistance to high temperatures and corrosive chemicals, ensuring safe and efficient operations.

  • Optical Components & Instruments: Ideal for optical components and instruments, the tube's high clarity and optical properties make it a crucial component in precision systems, enhancing performance and accuracy.

  • Laboratory Equipment: Renowned for its reliability in laboratory equipment, the sapphire tube withstands rigorous testing conditions and maintains its integrity, making it a trusted choice for scientific research and development.

  • Semiconductor Processing & Manufacturing: Perfect for semiconductor processing and manufacturing, its purity and resistance to contamination ensure superior quality in electronic components and devices.

  • Versatile Applications: With its versatile uses across multiple industries, the sapphire tube is a valuable asset for businesses seeking reliable, high-performance materials for their operations.



Size Chart of Sapphire Tube

Please provide drawing and parameter requirements for customization.



Sapphire Tube Open at Both Ends 
Item NO. Outer Diameter(mm) Thickness(mm) Length(mm) Notes
CS-BS-G2001 5~10mm 1~4mm 0~1400mm Customized
CS-BS-G2002 10~20mm 1~8mm 0~1400mm
CS-BS-G2003 20~30mm 1~10mm 0~1400mm
CS-BS-G2004 30~50mm 1~15mm 0~1400mm
CS-BS-G2005 50~70mm 1~15mm 0~400mm
CS-BS-G2006 1~3mm Inner-bore 0.3~1mm 0~150mm
CS-BS-G2007 5-200mm Inner-bore 0.3~180mm 5~1400mm


Sapphire Tube One End Sealed
Item NO. Outer Diameter(mm) Inner Diameter(mm) Length(mm)
CS-BS-G2008 20-70 16 800
CS-BS-G2009 20-70 16 900
CS-BS-G2010 20-70 16 1000
CS-BS-G2011 20-70 16 1450


Sapphire Capillary Tube
Item NO. Outer Diameter(mm) Inner Diameter(mm) Length(mm)
CS-BS-G2016 1.57 0.5 280


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