Product Details
1.Silica Quartz Glass Tubes:
Customized Clear Heat Resistant Quartz Glass Tube made from 99.99% pure quartz, offering excellent visual and chemical performance. It operates at temperatures up to 1200℃ with a softening point of 1730℃, ensuring high durability and versatility. The product supports various processing services including bending, welding, punching, cutting, and molding, meeting diverse application needs in optical, semiconductor, and industrial fields. Certified with IEC62321, it ensures compliance with international safety standards, enhancing buyer confidence for global market access.
2.Key Characteristics and Advantages
Advantages of Quartz Tubes
Quartz tubes, made from fused silica, offer a unique combination of properties that make them highly valuable in various industrial, scientific, and commercial applications.
Here are the key advantages:
2.1 High Temperature Resistance
Quartz tubes can withstand extremely high temperatures (up to 1100℃ for prolonged use and up to 140℃ for shothem rt-term use) without softening or deforming. This makes ideal for high-temperature furnaces, diffusion processes, and thermocouple protection sheaths.
2.2 Excellent Thermal Shock Resistance
They can endure rapid and significant temperature changes without cracking. This is due to their very low coefficient of thermal expansion. A quartz tube can be taken directly from a red-hot furnace and plunged into cold water without breaking.
2.3 High Purity and Chemical Inertness
Fused quartz is exceptionally pure and inert to most chemicals. It does not contaminate sensitive processes and is highly resistant to acids (except for hydrofluoric acid and hot phosphoric acid). This is critical in semiconductor manufacturing and laboratory chemistry.
2.4 Superb Optical Properties
Quartz tubes have excellent transmission properties across a wide spectral range, from ultraviolet (UV) to infrared (IR) light. This "broad spectral transmission" makes them perfect for UV lamps, halogen lamp enclosures, and various optical applications.
2.5 High Electrical Insulation
It is an excellent electrical insulator, even at high temperatures. This property is essential for use in semiconductor processing equipment and high-temperature sight glasses for furnaces.
2.6 Low Thermal Conductivity
Despite its transparency and temperature resistance, quartz is a poor conductor of heat. This helps in maintaining stable temperatures within a system and improves energy efficiency.
2.7 High Mechanical Strength
Quartz has high mechanical strength and rigidity, which allows it to maintain its structural integrity under vacuum or pressure conditions.
2.8 Transparency and Visibility
The glass-like clarity of quartz tubes allows for visual monitoring of processes inside reactors, furnaces, and fluid systems without opening the chamber or interrupting the process.
3.Main Application Areas:
3.1 Lighting Industry
This is one of the most common applications.
Halogen Lamps: The tube acts as the envelope for the halogen gas and tungsten filament. It can withstand the high temperature and prevents the blackening of the glass.
UV Lamps: Used in germicidal, sterilization, and EPROM eraser lamps because quartz has excellent transmission of ultraviolet (UV) light.
High-Intensity Discharge (HID) Lamps: Such as metal halide and high-pressure sodium lamps.
Xenon Lamps & Infrared Heaters: Used for their high-intensity output and thermal stability.
3.2 Semiconductor Industry
This is a critical high-tech application where purity is paramount.
Diffusion Furnace Tubes: Used in the thermal oxidation and diffusion processes for manufacturing silicon wafers. They provide a clean, high-temperature environment.
Wafer Carriers (Boat): Used to hold silicon wafers during high-temperature processing.
CVD (Chemical Vapor Deposition) Reactors: Serve as the reaction chamber where thin films are deposited onto substrates.
3.3 Optics and Photonics
Windows and Lenses: Used in specialized optical systems for UV and IR applications where ordinary glass is opaque.
Laser Components: Used in the construction of laser tubes and optical cavities, especially for excimer and other gas lasers.
Fiber Optics Preforms: The starting material from which optical fibers are drawn.
3.4 Chemical and Laboratory Equipment
Laboratory Glassware: For experiments involving high temperatures, corrosive chemicals, or UV light (e.g., beakers, flasks, reaction vessels).
Heat Exchangers: Used in highly corrosive environments.
Sight Glasses: Installed on reactors or pipelines to visually monitor processes under high temperature or corrosive conditions.
Precision Analytical Cells: Used in spectrophotometers for UV-VIS spectroscopy.
3.5 Heating Elements
Sheaths for Heating Elements: Quartz tubes are often used as protective sheaths for metal or silicon carbide heating elements in industrial furnaces and household appliances (like electric stoves and heaters), providing electrical insulation and physical protection.
3.6 Solar Industry
Photovoltaic Cell Production: Used in the diffusion process to create the p-n junctions in silicon solar cells, similar to semiconductor manufacturing. Concentrated Solar Power (CSP) Receivers: Used as the enclosure for the heat absorber in some high-temperature solar thermal systems.
3.7 Other Industrial Applications
Heat Treatment Furnaces: For processes like annealing, sintering, and brazing of metals.
Pyrometry: Used as protective tubes for thermocouples and optical pyrometers in high-temperature environments.
Technical specifications
Property Content |
Property Index |
Density |
2.2×103 kg/cm3 |
Strength |
570KHN100 |
Tensile Strength |
4.8×107 Pa (N/m2) |
Compression Strength |
>1.1×109 Pa |
|
Coefficient of Thermal Expansion
|
5.5×10-7 cm/(cm·℃) |
|
Thermal Conductivity
|
1.4W/(m·℃) |
|
Specific Heat
|
660J/(kg·℃) |
|
Softening Point
|
1630℃ |
|
Annealing Point
|
1180℃ |
Development History
Patents and certification
We’ve obtained various global certifications including CE, EMC, LVD, RoHS, FDA, MSDS, ISO 9001, SGS and TUV. We also own eight registered trademarks and forty technical patents to support independent R&D.
Our proprietary core technologies run through all product lines: porous ceramics, industrial ceramic components, special glass, metallized ceramics, liquid absorption cotton, ozone generators and silicone goods. All products are manufactured in strict accordance with international quality standards, delivering reliable and high-performance solutions that have gained wide recognition and market trust worldwide.
Package
We adopt scientific and standardized packaging solutions tailored to product characteristics to effectively prevent collision, extrusion, dust and moisture damage. With mature global transportation system and strict shipment inspection procedures, we ensure all products remain intact and stable during long-distance delivery, providing customers with safe, efficient and reliable one-stop logistics service.
Services
Inquiry & Customization
We provide fast and accurate quotation response for all your inquiries. Flexible OEM & ODM customization solutions are available to meet your unique product design, packaging and branding requirements.
Order Quality Control
We keep clients updated with full production progress throughout the whole order cycle. Our QC team carries out strict comprehensive pre-shipment inspection to guarantee all goods comply with your quality standards before delivery.
Customs Document Support
We prepare a full set of standard export documents including commercial invoice, packing list, certificate of origin and other certification papers, to ensure smooth global customs clearance for shipments to all destinations worldwide.
One-Stop Logistics
Multiple shipping methods including sea freight, air freight and express delivery are offered to match your schedule and budget. We supply real-time cargo tracking service so you can monitor shipment status anytime.
Flexible Payment
We support a wide range of secure international payment terms such as T/T, L/C, Western Union and other mainstream cross-border settlement methods to reduce your cross-border transaction risks.
After-Sales Support
Our professional after-sales team offers timely technical and business support all year round. We maintain steady long-term stable supply capacity to fully back up your continuous market sales and project demands.
FAQ
01
Question: Can you produce based on customers’ drawings or physical samples?
Answer: Absolutely yes. We accept technical drawings in all mainstream file formats as well as actual physical samples. Before formal production, our engineering team will provide a full professional DFM feasibility evaluation for your reference.
02
Question: How long is the production lead time for custom orders?
Answer: Sample lead time: 3–7 working days. Custom mold lead time: 5–10 working days (we will confirm the cycle separately with you for complex molds). Mass production lead time: 7–20 working days, depending on product structure complexity and order quantity.
03
Question: What’s your minimum order quantity for custom products?
Answer: We provide flexible MOQ solutions for all customized items. We will try our best to set a low minimum order volume to support your small-batch trial orders, meanwhile we can handle stable mass production to satisfy your long-term bulk demands.
04
Question: What customization services can you provide?
Answer: We support comprehensive one-stop customization, including product size, shape, appearance, precision tolerance, surface treatment, hole grooving, bending, cutting and adjustable high-temperature resistant parameters. Custom engraved LOGO and exclusive customized packaging are also available as extra personalized options upon request.
05
Question: Do you accept third-party inspection of finished products?
Answer: Yes, we fully cooperate with all mainstream authorized third-party testing institutions. Well-known organizations such as SGS, BV and other internationally recognized inspection bodies are all acceptable. We can supply complete official inspection reports and material certification documents as you require.
06
Question: Can you customize raw material options for products?
Answer: Sure. We can select and match appropriate raw materials according to your application scenarios, working conditions and performance requirements, including alumina, zirconia, quartz, silicone and other special engineering materials, and adjust related performance parameters to meet your usage standards.
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