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Precision-Bore Transparent Quartz Tubes for Lab & Optical Systems
Transparent quartz tubes delivers ≥99.99% purity and thermal stability up to 1,450°C, engineered for UV optical systems, and high-precision lab equipment requiring sub-±0.1mm dimensional accuracy.
Precision Fused Silica Tube's Properties
Transparent quartz tubes provide mission-critical performance for industrial applications:
- 1,450°C thermal endurance with ≤5.5×10⁻7/℃ expansion coefficient
- Full-spectrum UV-IR transmission (>93% visible light / >80% UV)
- Hydrofluoric acid-exclusive corrosion resistance in high-temperature processing
Fused Silica Application Domains
Engineered transparent quartz tubes deliver exceptional thermal stability, optical clarity, and corrosion resistance across multiple industries.
High-Purity Optical Transmission
- Laser system enclosures
- UV lamp housings
- Spectral analysis light guides
- High-intensity lighting sleeves
Industrial Thermal Management
- Semiconductor furnace liners
- Chemical reactor observation windows
- Pharmaceutical sterilizer protection layers
- Food processing thermal barrier tubes
Laboratory Instrumentation
- Corrosive fluid testing chambers
- Cell culture observation vessels
- Gas chromatography columns
- Precision measurement device windows
Fused Quartz Tubing Dimensions Overview
Transparent quartz tubes provides length from 20–1400mm, standardized wall thicknesses ranging 0.3mm to 8mm, and custom of that ranging 0.09mm to 10mm for flexible industrial implementation.
Single-End Open Quartz Tube
- Consistency in Purity: All variants maintain 99%–99.98% purity
- Length Flexibility: Most tubes support 20–1400mm lengths
- Customizable Options: Offering wide OD (0.8–450mm) and wall thickness (0.09–10mm) ranges for specialized needs.
2-Open-End Quartz Tube
- Consistency in Purity: All end-open quartz tubes maintain 99%-99.98% SiO₂ purity, ideal for high-temperature, UV-transparent, and corrosive-resistant applications.
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Dimensional Adaptability:
▌Outer Diameter (OD): 0.8–100mm (standard), extending to 1.5–450mm for custom orders.
▌Wall Thickness: 0.09–10mm, supporting ultra-thin to heavy-duty configurations.
▌Length: 20–2000mm (customizable for bulk industrial or precision lab requirements).
Special-Shaped Quartz Tubes
- High Purity: All variants maintain 99%-99.98% SiO₂ purity, suitable for industrial and laboratory applications requiring chemical inertness and thermal stability.
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Geometric Precision:
▌Outer Diameter (OD): Ranges from 20–100mm (±0.1mm tolerance).
▌Intermediate Diameter (ID): Critical for flow optimization in chemical reactors. - Custom Wall Thickness: 3–8mm options support high-pressure (≤10MPa) and vacuum environments.
Fused Silica Tubing Tolerances
Transparent quartz tubes delivers ±1.25%-2% OD tolerance, ±8%-14% wall thickness variation, and ≤15% ovality across sizes—submit custom requirements for tightly controlled dimensional consistency tailored to your industrial or optical systems.
Fused Silica Tube Technical Specifications
Transparent quartz tubes ensures ±0.1mm dimensional accuracy and 99.9% purity compliance, with fully customizable optical and thermal parameters—submit your project specs for precision-engineered solutions.
| Property | Value Range |
| Chemical Composition | Cr: 0.1%, Ge: 0.4%, Fe: 1.5%, Mg: 0.4%, Ti: 0.1%, Al: 0.8%, Na: 2.3%, Li: 0.5% |
| Spectral Transmission | >93% transmittance (350-780nm), 93.4% peak at 780nm, UV cutoff <220nm |
| Thermal Properties | Softening point: 1615–1683°C, thermal expansion: 5.5–6.7×10⁻⁷/cm·°C |
| Mechanical Strength | Compressive: >1.1×10⁹ Pa, Young’s modulus: 7.0–7.5×10¹⁰ Pa |
| Optical Performance | Refractive index: 1.456–1.460, dielectric constant: 3.75–6.0 @1MHz |
Fused Quartz Tube Custom Machining
Transparent quartz tubes Machining Precision
Transparent quartz tubes delivers sub-millimeter accuracy down to ±0.1mm and <1% roundness deviation, supporting laser-cut or CNC-tailored geometries for high-precision fabrication.
OD Range (mm) | OD Tolerance | Wall Thickness Tolerance | Siding(max) | Ovality (max) |
≤6.00 | ±2.0% | ±12% | 12% | 2% |
6.00-15.00 | ±1.25% | ±8% | 10% | 2% |
15.00-20.00 | ±1.25% | ±10% | 15% | 2% |
20.00-25.00 | ±1.25% | ±10% | 15% | 2% |
25.00-30.00 | ±1.35% | ±12% | 15% | 2% |
30.00-80.00 | ±1.5% | ±14% | 15% | 2% |
Fused Silica Material Options
Low-Expansion Titanium-Doped Quartz Glass
- Ultra-low CTE (0.3×10⁻⁷/°C)
- TiO₂ doping process
- 10x lower thermal expansion vs standard quartz
- Critical for laser systems/thermal cycling
Radiation-Resistant Quartz Glass Classifications
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Type I: High metallic impurities (1e-5–1e-4)
▌Graphite crucible melting with oxygen vacancies
▌Triple absorption peaks post-irradiation -
Type II: H₂-O₂ flame melting
▌215nm/300nm dual absorption peaks -
Type III: Synthetic high-purity feedstock
▌Single 215nm absorption peak
JGS1 Far-UV Optical Quartz Glass
- 185–2500nm spectral transmission
- Bubble-free synthetic silica structure
- High hydroxyl content (~2000ppm)
- 2730nm IR absorption band
- Zero striae/stress birefringence
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FAQ
What UV transmission range do JGS1-grade quartz tubes provide?
JGS1 ultra-pure variants achieve ≥93% transmittance from 185–2500nm, ideal for deep-UV lithography and excimer laser systems.
Do your tubes meet thermal shock resistance demands for rapid CVD cycling?
Low-CTE titanium-doped tubing (0.3×10⁻⁷/℃) sustains 1,000+ cycles between 25°C and 1,200°C without microcracking.
Are custom bore geometries available for high-viscosity fluid reactors?
Yes—CNC-machined ID profiles with ±0.05mm concentricity tolerance prevent turbulence in sub-20Pa·s applications.
Is autoclavable quartz tubing compliant with USP Class VI standards?
All 9980°C-annealed medical-grade tubing exceeds USP VI biocompatibility thresholds for repeated steam sterilization.
Can quartz tubes withstand sustained exposure to HF acid in etching chambers?
Our HF-resistant formulations maintain structural integrity at <0.01% annual corrosion rates in 49% concentration environments.