Heating Element Custom High Purity Transparent Quartz Glass Twin Tube
$1.00 – $9.00 / piece
MOQ: 1 piece · Bending / Cutting / Welding
Precision Engineered Quartz Glass Tubes & Profiles
Zunex Quartz Products Co., Ltd. provides clear fused silica tubing tailored to your process requirements. Our production capabilities include flame reshaping, tight-tolerance cutting, high-purity welding, and precise laser grooving or drilling. All products are manufactured in accordance with strict international tolerance and purity standards.
Heating Element 
Polished Ends Both Ends Polished High Purity Transparent Quartz Twin Tube
$0.80 – $7.00 / piece
MOQ: 1 piece · Moulding & Flame Polished
Furnace Core High Purity Fused Quartz Glass Tube for High Pressure & Temp
$15.00 – $30.00 / piece
MOQ: 1 piece · Semiconductor Grade
Large Diameter Large OD Custom Quartz Tube for Semiconductor & PV Solar
$35.00 – $55.00 / piece
MOQ: 1 piece · 99.99% SiO₂ Purity
UV Optical UV Lamp Quartz Sleeve Ozone Free Germicidal Water Air Sterilizer
$0.89 – $4.00 / piece
MOQ: 1 piece · Custom Diameter Sleeving
Capillary Fused Silica Capillary Tube OD 1-5mm ID 0.03mm Chromatography
$0.53 – $1.00 / piece
MOQ: 1 piece · HPLC / GC Medical Use
Lab Heating Laboratory 99.99% Pure Quartz Twin Tube 8mm / 10mm / 12mm
$0.65 – $5.00 / piece
MOQ: 1 piece · Thermal Shock Resistant
Analytical High Pressure Quartz Sample Tube for Micromeritics TriStar Analyzers
$3.00 – $11.00 / piece
MOQ: 1 piece · Precision Ground Joint
CVD Reactor Cuarzo Fused Silica Twin Tube Welded Vacuum CVD Flange Tube
$12.00 – $25.00 / piece
MOQ: 1 piece · Custom Flange Joint
High Pressure Transparent High Pressure Pure Quartz Tube Bending & Welding
$1.00 – $2.50 / piece
MOQ: 1 piece · Customized Diameters
Reactor Body 99.99% Pure Quartz Tube Reactor Condensing Side Tube Assemblies
$9.00 – $18.00 / piece
MOQ: 1 piece · Complex Glassblowing
Standard Sizes Clear Fused Silica Quartz Tube OD 1-300mm Standard & Heavy Wall
$0.65 – $8.00 / piece
MOQ: 1 piece · Cut-to-length stock
Heavy Bore Customized 200–300mm Large Diameter High Transmittance Twin Tube
$3.00 – $8.90 / piece
MOQ: 1 piece · High Optical Purity
Micro Tubing Small Diameter 0.1–20mm Capillary Tube Ozone Free Cutting
$0.03 – $0.15 / piece
MOQ: 1 piece · Fiber & Sensor Sleeves
Profile Tubing Rectangular Quartz Glass Tube Corrosion Resistant Profile
$2.50 – $8.00 / piece
MOQ: 1 piece · Square / Flat Profiles
Formed Bends Custom High Quality U-Bent Quartz Tube with Welded Flanges
$8.00 – $15.00 / piece
MOQ: 1 piece · Precise Thermal Bending
Technical Specifications & Machining Capabilities
All quartz glass tubes produced by Zunex Quartz Products Co., Ltd. are made with high-purity natural silica sand or synthetic quartz. They offer exceptional thermal stability, outstanding chemical durability against acids, and superior spectral transmission across UV, visible, and infrared wavelengths.
| Material Grades | JGS1 (Far UV Synthesized Silica), JGS2 (Optical Grade Fused Quartz), JGS3 (Infrared Grade Low OH) |
|---|---|
| Diameter Ranges | OD from 0.5 mm up to 450 mm; Wall thickness from 0.3 mm to 15 mm (customizable) |
| Operating Temperatures | Continuous service up to 1100°C; Short-term maximum up to 1300°C; Annealing point 1215°C |
| Machining Options | Precision cutting, CNC grinding, fire polishing, U-bending, laser micro-drilling, flange welding, ground joints |
| Purity Standard | SiO₂ ≥ 99.99%, extremely low heavy metal and alkali impurity content (< 20 ppm) |
Thermal Shock Resistant Ozone-Free / Ozone-Generating Hydrofluoric Acid Sensitive Only Zero Porosity Glass Safe Clean-Room Export Packaging
Need a Specific Size, Wall Thickness, or Custom Flange?
Send your PDF/DWG technical drawings or target specifications to [email protected]. Our engineering team reviews all requests within 2 hours.