UV Block Quartz Tube - Technical Specifications
Ultra-clear fused silica tubes engineered with specialized UV-blocking properties for applications requiring precise optical control and environmental protection1.
Core Features
UV Absorption Technology:
Blocks >90% of UV radiation below 300 nm while maintaining high VIS/IR transmission (>92% for 400–2500 nm)1.
Material Integrity:
SiO₂ purity >99.95% with low thermal expansion (5.5×10⁻⁷/°C) and softening point at 1,730°C^[common knowledge]^.
Environmental Resistance:
Impervious to weathering, moisture, and chemical degradation (including acids and solvents)^[common knowledge]^.
Precision Specifications
| Parameter | Specification |
|---|
| Outer Diameter | 10–300 mm ±0.1 mm tolerance |
| Wall Thickness | 1.0–20 mm ±0.15 mm |
| Length | ≤2,500 mm (customizable) |
| Surface Finish | Optical polish (Ra ≤0.8 μm) |
Key Advantages
Optical Protection:
Prevents lens/cover cracking and fogging in high-UV environments1.
Thermal Stability:
Withstands rapid thermal cycling (ΔT >700°C) without devitrification^[common knowledge]^.
Customization Flexibility:
Tailored coatings (e.g., ITO) and geometries for specialized integrations^[common knowledge]^.
Primary Applications
UV-Lighting Systems:
Enclosures for mercury-vapor lamps and UV curing equipment1.
Solar Simulators:
Optical filters for photovoltaic testing chambers^[common knowledge]^.
Analytical Instruments:
Protective sleeves for spectrometers and environmental sensors^[common knowledge]^.
⚠️ Handling Guidelines
Compatibility: RoHS compliant; customizable AR/IR coatings available.
