Large Diameter Thick Wall Clear Silica Quartz Glass Tube for Semiconductor

• Customization: Available
• Certification: CE, ISO
• Application: Chemical, Glass, for Heater Tube
• Model NO.: HB-QT
• Type: Quartz Tube
• Material: Fused Quartz Glass
• Purity: 99.99%
• Long Time Working Temperature: 1100 Degree
• Short Time Working Temperature: 1200 Degree
• Anneal Point: 1180 Degree
• Soft Point: 1680 Degree
• Strain Point: 1120 Degree
• Transmission: 80%
• Size: Can Be Customized
• Density: 2.21g/cm3
• Keyword1: Clear Quartz Glass Tube
• Keyword2: Large Diameter Quartz Tube
• Transport Package: Standard Export Package to Avoid Breaking
• Specification: can be customized
• Trademark: HB
• Origin: Jiangsu
• HS Code: 7002209000
• Production Capacity: 500kgs/Month
• Package Size: 20.00cm * 15.00cm * 10.00cm
• Package Gross Weight: 1.000kg

Product Description

Product Description

Clear silica quartz glass tube:

Quartz tubes are tubular components made from high-purity silica glass , valued for outstanding thermal stability, chemical inertness, optical transparency, and electrical insulation. They are widely used in semiconductor manufacturing, fiber optics, laboratory equipment, UV sterilization, and high-temperature processing.

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1. High purity: 99.99%
 
2.Long time working temperature: 1100 °C
 
3.Short time working temperature: 1200°C
 
4.Instant thermal shock up to 1450℃
 
5.Softening point 1730℃
 
6.Diamter: 1mm-500mm Thickness:0.5-20mm
 
7.OH content: 10ppm/20ppm/100ppm
 
8.Can customize the quartz tube according to clents' drawing

Thick wall clear silica quartz tube

Q1: What types of transparent quartz tubes can you customize?
A: Standard two-side open straight tubes in stock; custom one-end closed tube, stepped tube, flanged pipe, bent tube, thin/thick wall tube.
 
 We support cutting, flame edge polishing, drilling, sealing, irregular forming per your drawings or samples.
 
 
Q2 What maximum temperature canclear quartz tube withstand continuously?
A: Long-term safe working temperature ≤1100℃; instant thermal shock up to 1450℃, softening point 1730℃. Slow heating & cooling is recommended to extend service life.

Technical Specifications

(Custom configurations available upon request.)

Property Content	Property Index
Density	2.2×10^3kg/cm^3
Strength	570KHN100
Tensile Strength	4.8×10^7Pa (N/m^2)
Compression Strength	>1.1×10^9Pa
Coefficient of Thermal Expansion	5.5×10cm/cm℃
Thermal Conductivity	1.4W/m℃
Specific Heat	660J/kg℃
Softening Point	1630℃
Annealing Point	1180℃

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Q5: What customized service items can you support besides product structure? 
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