Below are our core manufactured quartz product lines exported directly to research labs, marine instrumentation hubs, and industrial machining facilities across Genoa and Northern Italy.
For scientific instrument fabricators, microfluidic engineers, and advanced optoelectronic developers located in the Metropolitan City of Genoa and the broader Liguria industrial basin, fused quartz capillary tubing is not merely a generic consumable—it is a critical optical, fluidic, and thermal interface. High-purity fused quartz (SiO2 ≥ 99.99%) provides extreme thermal shock resistance, an exceptionally wide optical transmission window spanning deep ultraviolet (DUV) through near-infrared (NIR), virtually zero auto-fluorescence, and unmatched dimensional stability under high hydrostatic pressure.
As a specialized Chinese quartz glass manufacturer situated in Donghai County—the globally recognized "Crystal Capital" of China—Zunex Quartz Products Co., Ltd. bridges the supply chain gap between large-scale raw crystal refinement and precision micro-fabrication. We deliver wholesale quartz glass capillary tubes, multi-lumen micro-bores, D-shaped flow cells, and heavy-wall capillary sleeves designed specifically to fulfill the stringent tolerances required by Italian engineering directives and European standardization bodies.
Synthesized from high-grade natural rock quartz crystals or high-purity synthetic silica (JGS1, JGS2, JGS3), ensuring minimal transition-metal contaminants (Fe, Ti, Al ≤ 15 ppm combined) for pristine UV transmittivity at 193 nm and 254 nm wavelengths.
Equipped with sub-picosecond UV laser processing benches, we execute clean-edge capillary end cleaving, aperture drilling (≥15 μm), side-hole venting, and micrometer-level internal wall slotting without micro-cracking or thermal stress rimming.
Beyond traditional cylindrical bores, our precision pulling towers produce square-bore capillaries, rectangular optical flow-channels, multi-bore arrays (2 to 7 lumens), and D-bore fibers utilized in advanced fiber-optic evanescent field sensors.
| Physical / Chemical Property | Standard Fused Quartz (Natural) | Synthetic Fused Silica (JGS1 Grade) | Engineering Value for Genoa Importers |
|---|---|---|---|
| Silicon Dioxide (SiO2) Content | ≥ 99.98% | ≥ 99.999% | Zero trace-ion leaching into chemical reagents or marine water samples |
| Density (ρ) | 2.20 g/cm3 | 2.20 g/cm3 | Optimal strength-to-weight ratio for aerospace and marine sensor packages |
| Coefficient of Thermal Expansion (CTE) | 5.5 × 10-7 / °C | 5.2 × 10-7 / °C | Maintains optical focus and volumetric calibration across 20 °C to 1000 °C |
| Continuous Maximum Working Temp | 1100 °C | 1150 °C | Withstands demanding thermal furnace combustion and catalyst baking |
| Softening Point | approx. 1683 °C | approx. 1730 °C | Prevents capillary bore sagging during high-temp Italian lab procedures |
| Refractive Index (nD at 589.3 nm) | 1.4585 | 1.4584 | High transparency, minimal chromatic aberration for laser path analysis |
| UV Cut-Off Wavelength | ≈ 220 nm | ≈ 175 nm | Essential for UV-Vis spectrophotometry, capillary electrophoresis, and HPLC |
From the hills of Erzelli High-Tech Park to the dry docks and marine monitoring stations of the Port of Genoa, our wholesale quartz capillaries power critical infrastructure and high-tier research.
Genoa represents a historic maritime commercial gateway merged with a modern European epicenter for scientific discovery. The presence of the Istituto Italiano di Tecnologia (IIT) headquartered in Genoa, alongside specialized laboratories at the University of Genoa (UniGe) and the SIIT (Intelligent Integrated Systems Technology) Distretto Tecnologico Ligure, demands specialized supply chains capable of delivering precision laboratory components on tight schedules.
Our quartz glass capillaries and custom-fabricated quartz glassware are engineered to directly satisfy these four dominant regional applications:
The Ligurian Sea and the Port of Genoa require autonomous oceanographic sensors. Fused quartz capillary flow cells resist harsh saline corrosion, biofouling degradation, and deep-sea hydrostatic pressures while enabling UV fluorometric tracking of hydrocarbons and microplastics.
Researchers at the Italian Institute of Technology rely on micro-bore quartz capillaries (ID ≤ 20 μm) for patch-clamp micropipettes, high-resolution atomic force microscopy probes, micro-dialysis sampling, and precision single-cell microinjection needles.
Naval electronics, defense, and maritime navigation contractors in Genoa incorporate precision D-bore quartz tubes and tight-tolerance quartz capillary ferrules inside fiber-optic gyroscopes (FOG) requiring total non-magnetic and thermal expansion stability.
Biomedical testing facilities in the Genoa area require high-performance capillary electrophoresis (CE) and capillary zone electrophoresis (CZE) columns with transparent polyimide protective coatings or pristine naked fused silica options.
How European supply chain resilience, direct maritime routes into PSA Genoa Pra', and high-spec custom manufacturing reshape B2B quartz procurement.
Historically, research laboratories and precision instrument manufacturers across Genoa, Turin, and Milan procured quartz capillaries and optical quartz components through local European trading intermediaries. While convenient, this multi-tier distribution network frequently added 200% to 350% markups, extended delivery lag times for custom drawings up to 16 weeks, and created technical communication barriers between end-user CAD engineers and the actual glassblowers.
Today, Italian procurement teams are actively executing direct-from-source procurement strategies. By establishing verified communication channels with certified Chinese manufacturing facilities like Zunex Quartz Products Co., Ltd., buyers in Genoa achieve substantial cost efficiencies, faster prototype iteration cycles, and immediate design-for-manufacturability (DFM) feedback.
Rooted in Donghai County's silicon supply belt, Zunex Quartz Products Co., Ltd. delivers verified manufacturing rigor, responsive engineering, and certified export safety.
Send PDF, DWG, DXF, or STEP 3D models. Our engineers verify wall thickness, taper ratios, chamfer angles, and surface finish (optical polish vs. fine ground) prior to quotation.
Proprietary high-speed laser micro-cutting, diamond micro-dicing, and CNC ultrasonic drilling ensure chip-free edges (edge chipping < 0.05 mm) on the most fragile capillary tubes.
Fragile quartz capillary orders are packaged in cleanroom anti-static sleeves, wrapped in shock-absorbing multi-layer EPE foam, and crated inside fumigated export wooden cases.
With an independently audited 100% response rate on B2B platforms, our direct technical sales staff coordinates in fluent English across Central European Time (CET) working windows.
Registered as a verified manufacturer and trading partner in Jiangsu, China, Zunex Quartz maintains annual export revenues between US$2.5 Million and US$5.0 Million, supported by 11 to 50 dedicated craftsmen, glass technologists, and quality control inspectors.
Our workshop houses comprehensive equipment: continuous electric fusion furnace lines, high-precision automatic glass lathes, flat double-sided lapping and polishing benches, specialized quartz fire-welding torches, and cleanroom vacuum packaging facilities. Our repeat order rate of 43% on international platforms attests to the confidence our institutional and commercial partners place in our product longevity and consistency.
Key considerations regarding logistics, customs documentation, dimensional tolerances, and material validation for Italian enterprises.
Whether you require prototype capillaries for research in Genoa or full-container wholesale schedules for Northern Italian industrial manufacturing, our engineering department reviews your drawings within 2 hours.