High Purity Quartz Glass Manufacturer & Custom Supplier
Since 2005, FGQuartz is a leading manufacturer of high purity quartz glass and fused silica products. Our high purity quartz glass solutions meet 99.99% SiO2 purity standards for semiconductor, solar, optical fiber, and laboratory applications. We supply standard quartz tubes, rods, plates, and custom components worldwide.
99.99%
SiO2 Purity
Ultra-High Grade
1680°C
Softening Point
Extreme Temperature
72 GPa
Young’s Modulus
Superior Strength
20+
Years Experience
Industry Leader
Leading High-Purity Quartz Glass Manufacturer in China Since 2005
Established in 2005, FGQuartz is a professional high purity quartz glass manufacturer in China. Our factory produces high quality fused silica components with strict quality control, and our high purity quartz glass is widely used in semiconductor manufacturing, optical fiber production, and industrial applications. We provide OEM/ODM custom quartz parts services for global customers.
- Custom quartz glass fabrication: CNC machining, flame working, fire polishing
- OEM/ODM support from prototype to high-volume production
- Full material traceability — certificate of analysis with every shipment
- Standard items ship in 7–14 days; custom orders in 3–6 weeks
- Export to 40+ countries including USA, Germany, Japan, South Korea and Taiwan
Our Products
Comprehensive High Purity Quartz Glass Products & Custom Components
From standard fused quartz tubing to precision-engineered custom assemblies, our full product range includes high purity quartz glass tubes, rods, plates, crucibles, and custom components. Our products serve the semiconductor, solar, UV, and laboratory industries with reliable performance and consistent quality.
Quartz Tubes
High-purity fused quartz tubing for semiconductor diffusion furnaces, UV sterilization systems and laboratory use. Uniform wall thickness, exceptional concentricity.
Quartz Rods
Solid fused silica rods precision-ground to tight tolerances. Used in optical fiber preform manufacturing, stirring rods and custom support structures.
Quartz Plates
Precision-polished quartz glass plates and UV optical windows in JGS1, JGS2, JGS3 grades. Excellent flatness and UV-IR transparency for semiconductor and laser applications.
Quartz Wafer Boats & Carriers
Semiconductor-grade quartz wafer boats for diffusion and oxidation furnaces. Compatible with 2″–12″ wafers. Precise slot spacing, excellent thermal uniformity.
Quartz Crucibles
High-purity quartz crucibles for semiconductor silicon crystal growth (Czochralski process) and solar polysilicon purification. Available in cylindrical, conical and custom shapes.
Custom Components
Precision custom quartz glass parts for OEM and research applications. CNC machining, fire polishing, complex geometries, specialized coatings. From prototype to production.
Technical Excellence
Superior Quartz Glass Material Properties
Our ultra-pure fused quartz glass delivers exceptional performance across thermal, optical, mechanical, and chemical parameters. Our high purity quartz glass meets the strict requirements of semiconductor fabrication, UV systems, and precision optics.
Thermal Properties
Softening Point:1680°C
Annealing Point:1215°C
Strain Point:1120°C
Max Use Temp:1200°C
Optical Properties
UV Transmission:>90%
Refractive Index:1.4585
Wavelength Range:185-2500nm
Clarity:Excellent
Mechanical Properties
Young’s Modulus:72 GPa
Tensile Strength:50 MPa
Hardness (Mohs):5.5-6.5
Density:2.2 g/cm³
Chemical Properties
SiO₂ Purity:99.99%
OH Content:<10 ppm
Metal Impurities:<20 ppm
Acid Resistance:Excellent
Industry Applications
High Purity Quartz Glass for Semiconductor, Solar, UV & More
Our high purity quartz glass components are trusted by leading companies across six major industries worldwide. We provide high quality fused silica solutions for semiconductor manufacturing, optical fiber production, solar energy, laboratory research, and industrial processing.
Competitive Advantages
The Preferred Quartz Glass Manufacturer for Demanding Industries
Twenty years of expertise, advanced manufacturing, and a commitment to zero-defect delivery make FGQuartz the trusted partner for global procurement.
Uncompromising Material Purity
ISO 9001:2015 certified. Every batch tested by ICP-MS to confirm ≥99.99% SiO₂ purity. Full certificate of analysis included with each shipment.
Advanced Manufacturing Capability
Electric and flame fusion furnaces, 5-axis CNC machining centers, automated polishing. Tolerances to ±0.05 mm, surface finish Ra <0.4 μm.
Full Custom & OEM Support
Engineering team available from day one. We handle complex geometries, specialized coatings, multi-component assemblies and rapid prototyping.
Reliable Global Supply Chain
Strategic inventory of standard products ships in 7–14 days. Custom orders in 3–6 weeks. Serving 500+ clients across 40+ countries since 2005.
Competitive Pricing & Bulk Capacity
15,000 m² factory with high-volume production capacity. Competitive pricing without compromising purity standards — especially for solar and semiconductor consumables.
Dedicated Technical Support
application-specific material selection guidance, and 24-hour quote response. Your project is handled by experts.
Why FGQuartz Is the Right Quartz Glass Supplier for Your Needs
As a dedicated quartz glass manufacturer with over two decades of experience, FGQuartz understands that material purity is non-negotiable in high-technology applications. Whether you need fused quartz tubes for a semiconductor diffusion furnace, quartz crucibles for solar silicon crystal growth, or custom quartz glass components for an OEM instrument, our production team has the expertise to deliver.
Our high-purity quartz glass achieves SiO₂ purity of 99.99% with metallic impurities below 20 ppm — verified by ICP-MS analysis on every production batch. This level of purity eliminates contamination risk in wafer processing, ensures optimal UV transmission for germicidal applications, and provides the chemical inertness required in pharmaceutical manufacturing environments.
FGQuartz exports fused silica products to customers in the United States, Germany, Japan, South Korea, Taiwan, India and beyond. Our multilingual sales team provides fast RFQ responses, clear technical documentation and competitive pricing for both small research orders and high-volume industrial supply contracts. Learn more about FGQuartz →