High Temperature Heat Resistant Clear 99.99% Pure Fused Quartz Twin Tube
Engineered with ozone-free multi-pass jointing, precision bending, and extreme thermal resilience.
Precision-ground fused silica glass, high-temperature combustion apparatus, and custom-welded assemblies fabricated under strict ISO 9001 quality controls. Each part supports immediate CAD-to-prototype transitions.
Engineered with ozone-free multi-pass jointing, precision bending, and extreme thermal resilience.
Ultra-low micro-bubble inclusions suited for high-vacuum CVD chambers and thin-film deposition lines.
Flame-polished crucibles optimized for continuous operating zones at 1100°C without devitrification.
Ozone-free emitter envelope tubes for high-intensity infrared heating elements and analytical labs.
Hand-blown by master glassworkers for aggressive acid reflux, distillation, and synthesis systems.
Fabricated with reinforced wall parameters for high-pressure autoclaves and aggressive fluid environments.
Engineered with dual-jacket internal UV transmission chambers for accelerated photolysis tests.
Compatible with Quantachrome and Micromeritics analyzers for accurate gas sorption measurements.
Across the technological corridors connecting Dublin, Cork, Galway, and Limerick, advanced manufacturing clusters are driving demand for high-integrity optical and thermal quartz components. As Ireland cements its position as a global leader in medical device design, semiconductor wafer manufacturing, and biotechnology research, the demand for precision optical components—specifically high-purity fused silica prisms, beam splitters, and custom thermal reaction chambers—has seen substantial growth.
Optical glass prisms made from synthetic fused silica and refined quartz crystal possess structural, thermal, and optical characteristics that traditional borosilicate and crown glasses cannot match. When dealing with deep-ultraviolet (DUV) laser transmission, extreme temperature gradients in vacuum deposition systems, or inert containment in clinical diagnostics, optical performance depends entirely on material purity and atomic uniformity.
Engineers across Ireland’s research parks (such as the Tyndall National Institute and Trinity College Dublin nanoscience centers) frequently navigate the technical trade-offs between natural fused quartz and synthetic fused silica. While natural fused quartz is sourced from high-purity pegmatite quartz deposits—such as those processed at our base in Donghai, China’s quartz capital—synthetic silica is produced through chemical vapor synthesis of silicon tetrachloride (SiCl4).
For high-intensity laser redirection, UV dispersive prisms, and interferometer reference blocks, minimizing OH (hydroxyl) ion content is critical to prevent absorption bands at 1.4 µm, 2.2 µm, and 2.7 µm. Zelvo Quartz provides calibrated grades tailored to your transmission requirements:
| Property Parameter | JGS1 (Synthetic Fused Silica) | JGS2 (Optical Fused Quartz) | JGS3 (Infrared Fused Quartz) |
|---|---|---|---|
| Primary Transmission Spectrum | 185 nm – 2,500 nm (DUV/UV Optimized) | 220 nm – 2,500 nm (UV/Visible Focus) | 260 nm – 3,500 nm (Extended Near-IR) |
| Refractive Index ($n_d$ @ 589.3 nm) | 1.4585 | 1.4585 | 1.4585 |
| Coefficient of Thermal Expansion (CTE) | 5.5 × 10⁻⁷ / K | 5.5 × 10⁻⁷ / K | 5.5 × 10⁻⁷ / K |
| Birefringence Constant | ≤ 2 nm/cm | ≤ 4 nm/cm | ≤ 5 nm/cm |
| Bubble / Inclusion Class (DIN 58927) | Class 0 (Zero bubbles in clear aperture) | Class 1 | Class 2 |
| Softening / Strain Point | 1683°C / 1075°C | 1683°C / 1075°C | 1683°C / 1075°C |
Ireland has grown into one of Europe's top hubs for high-technology exports. Supplying precision quartz components to this market requires strict dimensional tolerances, reliable cleanroom-safe packaging, and full material batch traceability. Below is a breakdown of how Zelvo Quartz components are deployed across key regional industries:
Front-end wafer processing, chemical vapor deposition (CVD), and diffusion furnaces demand quartz consumables with less than 0.1 ppm heavy metal contamination. We provide custom diffusion furnace tubes, slotted quartz wafer boats, and ultra-flat quartz windows engineered to resist cyclic thermal shocks up to 1200°C without micro-cracking.
Ireland produces a significant share of the world's commercial medical implants, surgical instrumentation, and bio-reagents. Our optical quartz right-angle prisms, penta-prisms, and internal illumination reactors serve flow cytometry, spectrophotometry, and in-line process analytical technology (PAT) without adding background fluorescence.
Ireland's research infrastructure relies on custom, prototype-stage glassware and optical sub-assemblies. Through our flexible low-MOQ policy (starting at 1 piece), research groups can order custom laser-cut prisms, slotted XRD substrate holders, and precision-blown quartz apparatus tailored to unique experimental parameters.
Procurement teams across Ireland face ongoing challenges with extended lead times from traditional domestic stockists and Western European optical consolidators. With component lead times often reaching 16 to 24 weeks, local operations risk delays in both fast-turn R&D cycles and planned maintenance windows.
The solution is direct-from-manufacturer partnerships backed by rapid air cargo corridors connecting Shanghai/Zhengzhou directly into Dublin Airport (DUB) and Shannon Airport (SNN). By working directly with our integrated facility in Donghai, Irish companies cut out multiple layers of broker markups while securing reliable 7-to-12-day rapid-dispatch schedules on custom-machined components.
Lianyungang Zelvo Quartz Products Co., Ltd. operates from Donghai County, Jiangsu Province—globally recognized as the hub of quartz crystal extraction and fused silica refining. Our integrated operation pairs primary thermal processing lines with precision CNC, cold-machining, and laser-processing equipment.
Our workshop handles both mechanical glassworking and custom hot-flame manipulation:
Essential guidance on material choices, import logistics, quality inspection standards, and technical specifications for Irish procurement officers and engineers.
Whether you require a custom synthetic silica optical prism prototype, replacement semiconductor diffusion tubes, or high-volume lab consumables, our engineering team is on standby to provide feasibility reviews and quotes within two hours.
Direct Engineering Support • ISO 9001:2015 Manufacturing Standards • Safe Air Freight Across Dublin, Cork, Galway & Limerick