Custom-fabricated quartz tubing, polished viewport discs, reaction tubes, and photomasks tailored to demanding regional environments.
Optically verified viewing windows designed for high-vacuum chambers, plasma processing cells, and industrial autoclaves requiring ultra-low thermal distortion.
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Pure fused silica raw stock blanks optimized for precision flame working, glassblowing workshops, thermal heaters, and structural chemical fluid conduits.
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Heavy-wall, wide-bore tubing (up to OD 500mm+) suited for semiconductor diffusion furnaces, chemical distillation columns, and high-intensity gas chambers.
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Sub-micron flat, ultra-thin synthetic quartz substrates guaranteeing outstanding deep-UV transmittance (DUV) for lithography, laser path optics, and microelectronics.
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High-pressure, acid-resistant reflex and transparent sight glasses engineered for offshore marine engines, high-temp hydraulic sumps, and chemical boilers.
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Doped fused silica dielectrics specifically blocking 185nm while optimizing 254nm spectral outputs, ideal for water purification systems and aquaculture biocidal sanitization.
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Precision 5-axis CNC-machined components featuring custom stepped edges, drilled micro-apertures, slots, and beveled seals for high-spec analytical equipment.
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High-precision optical-polish silica blanks with scratch-dig 40/20, exceptionally resilient under corrosive acid mist and extreme thermal cycling stresses.
Product DetailsAs the industrial landscape across the South Central Coast of Vietnam accelerates, the demand for high-performance dielectric and refractory materials has reached an inflection point. Khanh Hoa province, traditionally renowned for tourism and marine fisheries, is rapidly converting into an economic powerhouse characterized by advanced maritime processing, specialized coastal biotechnology, and high-efficiency solar wafer fabrication throughout the Van Phong and Cam Ranh economic corridors. Serving as a crucial supplier within this regional supply chain, our factory provides ultra-pure fused quartz glass tubing (SiO₂ ≥ 99.99%) that outperforms common borosilicate and aluminosilicate glass alternatives under extreme thermal, chemical, and pressure environments.
Operating industrial equipment in maritime climates presents severe challenges: atmospheric salinity causes rapid corrosion, accelerated surface fouling, and catastrophic devitrification in lower-grade optical glasses. Fused quartz stands unique due to its single-component composition of silicon dioxide. With an extraordinarily low thermal expansion coefficient of only 5.5 × 10⁻⁷ /°C, our fused quartz tubes survive rapid thermal shock—such as instantaneous quenching from 1,100°C into freezing water—without cracking. For regional facilities in Nha Trang operating industrial quartz infrared heaters, ozone-generating water purification loops, or maritime boiler assemblies, this thermal shock resistance translates directly into reduced downtime and zero cross-contamination risks.
| Physical & Chemical Parameter | VEZLO Fused Quartz Grade | Standard Borosilicate 3.3 | Operational Impact for Nha Trang Industries |
|---|---|---|---|
| Silica Purity (SiO₂) | ≥ 99.99% | Approx. 81% | Eliminates ionic leaching in marine biotech & micro-optics |
| Max Continuous Service Temp | 1,100 °C (Peak 1,300 °C) | 450 °C (Peak 500 °C) | Essential for high-temperature semiconductor CVD/PVD tubes |
| Thermal Expansion (0–300°C) | 5.5 × 10⁻⁷ /°C | 3.3 × 10⁻⁶ /°C | Near-zero expansion under fluctuating marine ambient cycles |
| Chemical Attack Resistance | Unaffected by acids (except HF/H₃PO₄) | Vulnerable to alkaline saline vapor | Prevents tube clouding in marine-facing installations |
| Deep-UV Transmission (254nm) | > 90% (Clear / Synthetic) | Negligible (< 10%) | Optimized germicidal output for industrial aquaculture plants |
Procurement teams across Nha Trang, Dien Khanh, and surrounding industrial clusters prioritize quartz glass components across three strategic domains:
1. Coastal Aquaculture & Offshore Biosecurity Systems: High-density shrimp hatcheries and marine farming labs near Nha Trang Bay rely on closed-loop ultraviolet (UV-C) sanitation. Using our precision ozone-free or synthetic quartz tubes as protective sleeves guarantees uninterrupted photon delivery at 254 nm, neutralizing airborne and waterborne pathogens without leaving toxic chemical residues.
2. Marine Propulsion & Port Machinery Viewports: Coastal shipyards and industrial power complexes require heavy-walled sight glasses and sight glass plates. VEZLO fused quartz plates withstand high hydraulic surge pressures, direct oil contact, and intense boiler heat without fogging, pitting, or suffering micro-fissure degradation caused by sea mist.
3. Advanced Clean Energy & Thin-Film Photovoltaics: With the development of solar energy parks across South Central Vietnam, diffusion furnace tubes, wafer handling boats, and plasma chamber sight windows represent vital consumables. Our production lines maintain strict dimensional tolerances (outer diameter variance within ±0.15 mm) to guarantee gas-tight seals in vacuum processing.
Direct sourcing from China's quartz capital backed by rigorous third-party certifications and direct global logistics.
Directly integrated in Donghai County with access to raw high-purity crystalline quartz sand with total metallic impurities below 20 ppm.
Equipped to continuously draw tubes from OD 2 mm up to 500 mm, including proprietary 520 mm large-bore furnace cores verified by provincial S&T projects.
Every tube and component undergoes controlled thermal cycling in programmable annealing lehrs at 1,215°C, eliminating residual stresses from hot-forming.
Individually wrapped with shock-absorbent multi-layer pearl foam, packed inside fumigation-free reinforced plywood cases for safe maritime transit to Khanh Hoa ports.
Direct answers covering logistics, thermal thresholds, and custom tolerances for Vietnam-bound orders.