Quartz Glass Tube — High-Purity Fused Quartz / Fused Silica Tubes
Description
Quartz Glass Tube (fused quartz / fused silica) from Lumistar offers exceptional thermal stability, superior chemical resistance and broad UV–IR transmission for demanding furnace, semiconductor and optical applications. Available in standard and custom sizes (OD X ID X L), with options for thick-wall, fire-polished ends and one-end sealed. Datasheets and fast quotes available — contact us to request samples or a custom quote.
Key benefits
- High purity (SiO₂ ≥ 99.9%) — minimal contamination risk for sensitive processes.
- Operating temperature up to ~1,050–1,200°C (application dependent).
- Excellent UV–IR transmission — ideal for lamps and optical systems.
- Low coefficient of thermal expansion — superior thermal shock resistance.
- Custom sizes, tight tolerances, one-end closed & fire-polished finishing available.
- Datasheets, CAD and sample requests supported — quick lead times for most sizes.
Technical Specifications
Typical Technical Specifications
Applications
- Semiconductor & Thin Film — Process tubes for CVD, diffusion & thermal processing where high purity and thermal stability are required.
- High-Temperature Furnaces — Reliable tubes for furnace use, high softening point and low devitrification characteristics.
- UV Lamps & Optical Systems — Excellent UV transmission supports germicidal lamps, ozone generators and optical assemblies.
- Laboratory & Analytical — Chemical resistance and clean-room compatible grades for lab apparatus and analytical workflows.
Why buy from us
- Certified high purity: material traceability and chemical analysis available on request.
- Tailored fabrication: flanges, ports, vacuum sealing and precision polishing.
- Datasheets & test reports: temperature ratings, OH content and optical transmission curves included.
- Fast quotes for custom sizes: upload a drawing and receive an engineered quote within business hours.
Datasheet & Downloads
Frequently Asked Questions
- What is the minimum order quantity (MOQ)?
- MOQ varies by size and finish. Many standard sizes are available with low MOQs; custom sizes may have higher MOQs. Contact sales for details.
- Can you provide cut-to-length or finished assemblies?
- Yes. We offer cut-to-length, fire-polished ends, one-end sealed tubes and assemblies. Provide drawings for pricing.
- Do you support OEM/contract manufacturing?
- Yes — we work with OEMs for production quantities and technical validation. Please request an NDA if required.
- How quickly can you deliver?
- Typical lead times depend on size, finish and order quantity. Standard sizes often ship within 2–4 weeks; custom orders depend on tooling and volume.







