SHANGHAI FAMOUS TRADE CO.,LTD
| Payment Terms | T/T |
| Delivery Time | 2-4 WEEKS |
| Material | Sapphire (Al₂O₃) |
| Inner Diameter (ID) | 0.1 – 3 mm |
| Outer Diameter (OD) | 0.5 – 10 mm |
| Wall Thickness | 0.1 mm minimum |
| Length | 5 – 200 mm (customizable) |
| Dimensional Tolerance | ±0.005 mm |
| Concentricity | ±0.05 mm |
| Surface Quality | 40/20 or 20/10 scratch/dig |
| Brand Name | ZMSH |
| Place of Origin | SHANGHAI,CHINA |
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Product Specification
| Payment Terms | T/T | Delivery Time | 2-4 WEEKS |
| Material | Sapphire (Al₂O₃) | Inner Diameter (ID) | 0.1 – 3 mm |
| Outer Diameter (OD) | 0.5 – 10 mm | Wall Thickness | 0.1 mm minimum |
| Length | 5 – 200 mm (customizable) | Dimensional Tolerance | ±0.005 mm |
| Concentricity | ±0.05 mm | Surface Quality | 40/20 or 20/10 scratch/dig |
| Brand Name | ZMSH | Place of Origin | SHANGHAI,CHINA |
| High Light | polished sapphire capillary tube ，sapphire tube for analytical instruments ，high-pressure sapphire capillary tube | ||
Our polished sapphire capillary tubes are precision-engineered using high-quality single-crystal sapphire (Al₂O₃), offering extreme hardness, excellent thermal resistance, and outstanding chemical stability. These tubes are ideal for applications requiring high-pressure, high-temperature, or corrosive environments, including analytical instruments, laser systems, microfluidics, and biomedical devices.
Sapphire’s broad optical transparency (UV 200 nm – IR 5 μm) makes it suitable for laser and infrared optical applications. Tubes can be provided as blank substrates, AR-coated pieces, or fully precision-polished to meet exact specifications.
Typical applications include:
Analytical & research instruments (HPLC, GC, ICP, spectroscopy)
Biomedical & microfluidic systems
Optical and laser guiding tubes
Semiconductor process components (CVD, MOCVD)
Aerospace & defense optical conduits
Extreme Hardness: Mohs hardness 9, second only to diamond; highly wear-resistant.
High Thermal Resistance: Melting point ~2030°C; reliable performance up to 1700–2000°C.
Chemical Inertness: Resistant to acids, alkalis, and most solvents.
Optical Clarity: Excellent transmission from 0.20 – 5.50 μm, low optical loss.
Electrical Insulation: Superior dielectric properties for high-voltage and high-frequency environments.
Mechanical Stability: Maintains structural integrity under vacuum, vibration, or rapid thermal cycling.
Customizable Polishing: Single-end, double-end, or full polishing to optimize performance.
Precision Dimensions: Inner/outer diameters controlled within ±0.005 mm.
| Parameter | Specification |
|---|---|
| Material | Sapphire (Al₂O₃) |
| Inner Diameter (ID) | 0.1 – 3 mm |
| Outer Diameter (OD) | 0.5 – 10 mm |
| Wall Thickness | 0.1 mm minimum |
| Length | 5 – 200 mm (customizable) |
| Dimensional Tolerance | ±0.005 mm |
| Concentricity | ±0.05 mm |
| Surface Quality | 40/20 or 20/10 scratch/dig |
| Clear Aperture | >90% |
| Parallelism | 30 arc sec |
| Chamfer/Bevel | <0.25 mm × 45° |
| Coating | AR, dielectric, metallic, or uncoated |
| Optical Transmission | 200 nm – 5 μm |
| Working Temperature | Up to 1700°C (air), 2000°C (inert) |
| Hardness | Mohs 9 |
| Chemical Resistance | Excellent against acids, alkalis, solvents |
| Pressure Resistance | Can withstand >100 MPa (depending on size) |
Analytical & research instruments: Chromatography, mass spectrometry, spectroscopic analysis
Biomedical & life sciences: Microfluidics, diagnostics, pharmaceutical transport
Optics & lasers: Fiber optic protection, laser beam guidance, optical sensors
Semiconductor industry: Gas delivery, plasma etching, CVD/MOCVD components
Aerospace & defense: Optical conduits and sensor protection under extreme conditions
Q1: What material are the tubes made of?
A: Synthetic single-crystal sapphire (Al₂O₃), known for extreme hardness, chemical inertness, and high thermal stability.
Q2: Why “semi-polished” instead of “half-polished”?
A: “Semi-polished” indicates selective polishing of critical areas to balance performance and cost, whereas “half-polished” may sound informal.
Q3: How does sapphire compare to quartz or ceramic capillaries?
A: Sapphire is harder, more thermally stable, more chemically resistant, and has superior optical transmission from UV to IR.
Q4: Can these tubes be customized?
A: Yes. ID, OD, length, bore finish, end shape, and coatings can all be tailored to specific requirements.
Company Details
Business Type:
Manufacturer,Agent,Importer,Exporter,Trading Company
Year Established:
2013
Total Annual:
1000000-1500000
Ecer Certification：
Verified Supplier
SHANGHAI FAMOUS TRADE CO.,LTD. locates in the city of Shanghai, Which is the best city of China, and our factory is founded in Wuxi city in 2014. We specialize in processing a varity of materials into wafers, substrates and custiomized optical glass parts.components widel... SHANGHAI FAMOUS TRADE CO.,LTD. locates in the city of Shanghai, Which is the best city of China, and our factory is founded in Wuxi city in 2014. We specialize in processing a varity of materials into wafers, substrates and custiomized optical glass parts.components widel...
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