Quartz Glass Tubes | Professional Fused Quartz Tube Manufacturer in China
As a leading professional quartz tube manufacturer in China, FGQuartz specializes in manufacturing high precision quartz glass tubes and fused quartz tube (SiO₂ ≥ 99.99%) for semiconductor, furnace, UV and laboratory applications. With strict purity control, advanced processing technology and full customization capability, we deliver reliable quartz tubing solutions worldwide, including industry-standard semiconductor quartz tube, heat-resistant lab high-temperature quartz tube, and fully bespoke custom quartz tube products.
What Are Quartz Glass Tubes?
Quartz glass tubes are cylindrical components made from high purity fused silica, also commonly known as fused quartz tube products. Compared with ordinary glass, quartz offers superior thermal resistance, chemical stability and optical transmission.
Due to its ultra-low impurity level and excellent physical properties, quartz glass tubes are widely used in semiconductor processing, high-temperature furnaces, UV systems and precision laboratory environments – making them the core material for semiconductor quartz tube and lab high-temperature quartz tube applications.
Key Advantages of Our Quartz Glass Tubes & Fused Quartz Tube Products
Ultra High Purity
SiO₂ ≥ 99.99%, metal impurities < 20 ppm, ensuring contamination-free performance for critical semiconductor quartz tube applications.
High Temperature Resistance
Stable operation at 1100–1200°C, short-term up to 1500°C, making our products ideal for lab high-temperature quartz tube use.
Low Thermal Expansion
Excellent resistance to thermal shock and rapid temperature changes, a core advantage of our premium fused quartz tube range.
Optical Transparency
High transmission in UV, visible and infrared spectrum for optical-grade quartz glass tubes.
Chemical Stability
Resistant to most acids except hydrofluoric acid, suitable for harsh laboratory and industrial environments.
Electrical Insulation
Maintains strong dielectric performance at high temperatures, perfect for high-voltage industrial applications.
Technical Specifications of Our High Purity Quartz Glass Tubes
| Parameter | Value |
|---|---|
| Material | High Purity Fused Quartz |
| SiO₂ Purity | ≥ 99.99% |
| Outer Diameter | 5 – 500 mm |
| Wall Thickness | 1 – 20 mm |
| Length | Up to 3000 mm |
| Tolerance | ±0.2 mm (precision ±0.01 mm) |
| OH Content | < 10 ppm |
| Metal Impurities | < 20 ppm |
| Working Temperature | 1100°C continuous |
| Softening Point | ~1730°C |
Types of Quartz Glass Tubes & Fused Quartz Tube We Supply
Core Applications of Our Quartz Glass Tubes
Semiconductor Quartz Tube for Semiconductor Industry
Our high-purity quartz glass tubes are widely used in diffusion furnaces, oxidation and LPCVD systems for semiconductor chip manufacturing.
Lab High-Temperature Quartz Tube for Laboratory Equipment
Heat-resistant fused quartz tube products for chemical analysis and high-temperature experiments in research facilities.
Industrial Furnaces
High temperature processing and protection tubes made from premium quartz glass tubes.
Optical Fiber Production
Deposition tubes for fiber manufacturing, made from ultra-pure fused quartz tube material.
UV Systems
Water treatment, sterilization and lighting applications using UV-transparent quartz glass tubes.
Lighting Industry
Used in halogen and UV lamps, with custom sizes available via our custom quartz tube service.
Custom Quartz Tube Fabrication Service
As an experienced quartz tube manufacturer, we provide complete custom quartz tube solutions according to your drawings or specific applications. Our advanced processing capabilities ensure high precision and consistent quality for every bespoke fused quartz tube order.
Our custom processing capabilities include
Precision cutting & grinding for semiconductor quartz tube products
Fire polishing for optical-grade quartz glass tubes
Flange welding
Side holes & ports
Bending & forming for lab high-temperature quartz tube applications
Closed-end / sealed tubes
Quality Control & Inspection for Our Quartz Glass Tubes
All our quartz glass tubes and fused quartz tube products are manufactured under strict ISO 9001 certified quality control. We ensure stable purity, precise dimensions and consistent performance for critical applications, from mass-produced semiconductor quartz tube orders to custom lab high-temperature quartz tube projects.
Our full inspection process includes
- Raw material purity verification
- Dimensional inspection for every custom quartz tube order
- Surface quality check
- Optical and thermal performance testing
Why Choose FGQuartz As Your Trusted Quartz Tube Manufacturer
- 20+ years of experience as a professional quartz tube manufacturer in China
- ISO 9001 certified production facility for quartz glass tubes
- Stable high-purity material supply chain for premium fused quartz tube products
- Advanced machining capability for bespoke custom quartz tube orders
- Strict quality control for semiconductor quartz tube and lab high-temperature quartz tube applications
- Stable quality and fast delivery worldwide, with professional export service
Whether you need standard quartz glass tubes, a bespoke custom quartz tube for your unique application, high-purity semiconductor quartz tube for chip manufacturing, or heat-resistant lab high-temperature quartz tube for scientific research, FGQuartz is your trusted quartz tube manufacturer in China. Contact us today to get a custom quote for your fused quartz tube needs.