Fused Quartz Boats (SiO₂ 99.99%) for PV & Diffusion
Thermal integrity up to 1300 °C, ultra-low trace alkali contamination, engineered for cleanroom diffusion.
Manufactured from premium SiO₂ crystal sources with 99.99% purity. Polished, cut, and customized to European engineering specifications with SGS certified manufacturing excellence.
Thermal integrity up to 1300 °C, ultra-low trace alkali contamination, engineered for cleanroom diffusion.
Laser-grade surface roughness Ra < 0.5 nm, chemical corrosion resistance, white rim ground borders.
UV ozone synthesis optimization, precision hot-worked bending, infrared heating and analytical laboratory tube.
Spectral transparency 185–2500 nm, complete annealing without residual stress, bubbless optical disc blank.
Tight wall thickness control (±0.05 mm), thermal shock resilience against liquid quenching at 1100 °C.
Calibrated OD (10mm/14mm/20mm), acid-resistant for chemical etching, cleanroom vacuum handling.
High-vacuum threaded connections, integrated side ports for precise reagent titration and closed synthesis.
Sub-micron pitch tolerance, tailored for optical communication, beam splitters, and telecom alignment fixtures.
Bridging Chinese direct-from-source crystal raw material processing with Denmark's stringent biomedical, quantum computing, and green microtechnology standards.
Within the Copenhagen and Lund cross-border life science corridor, fused quartz discs serve as critical observation windows in flow cytometry, DNA sequencing flow cells, and automated enzyme kinetics analyzers. Standard borosilicate glass exhibits intrinsic autofluorescence under short-wave ultraviolet excitation. Our JGS1 synthetic fused silica discs offer zero background fluorescence down to 185 nm, enabling Danish pharmaceutical engineering facilities in Hillerød, Kalundborg, and Ballerup to maintain ultra-sensitive analytical SNR (Signal-to-Noise Ratio) in GMP process equipment.
With academic institutions such as the Niels Bohr Institute and DTU Nanolab pushing the boundaries of topological quantum processors and cleanroom nanofabrication, quartz glass substrates must withstand plasma etching, aggressive HF cleaning protocols, and ultra-high vacuum (UHV) environments. Lovri's double-sided polished discs maintain parallelism below 3 arcseconds and surface micro-roughness below 0.3 nm RMS, serving as atomic-layer deposition (ALD) viewports and crystalline semiconductor wafer carriers capable of continuous thermal stability at 1100 °C.
Denmark's maritime decarbonization programs and strict environmental exhaust scrubbing regulations dictate advanced optical soot, NOx, and SOx monitoring in commercial engine stacks around the Port of Copenhagen. Transparent quartz sight discs engineered from high-purity electrical fused silica (JGS3/JGS2) provide immune resistance to sulfuric condensation and extreme localized thermal shock, delivering reliable operational life during open-sea marine cycles without devitrification or chemical clouding.
Situated in China's quartz heartland of Lianyungang, Lovri Quartz eliminates third-party supply-chain latency by refining raw quartz sands directly into micron-tolerance disc optics.
We source ultra-pure crystal lumps, running them through multi-stage magnetic separation and high-temperature hydrofluoric acid pickling to suppress Fe, Al, and Ti contaminants below 15 ppm.
Employing vacuum sintering and continuous electrical drawing furnaces to eliminate microscopic bubble clusters, resulting in Bubble Class 0/1 accordance under DIN 58927 standards.
Every quartz blank undergoes an extended 48-hour computer-regulated thermal annealing cycle at 1215 °C, fully relieving mechanical stresses and guaranteeing zero wavefront distortion upon final cutting.
Equipped with 4-way planetary chemical-mechanical polishing (CMP) platforms, our disc faces achieve optical laser-grade surface finishes of 20/10 Scratch-Dig and flatness of λ/4 at 632.8 nm.
| Optical / Physical Parameter | JGS1 (Synthetic Fused Silica) | JGS2 (Optical Fused Quartz) | JGS3 (Infrared Optical Quartz) |
|---|---|---|---|
| Primary Transmission Spectrum | 185 nm – 2500 nm (Deep UV-VIS) | 220 nm – 2500 nm (UV-VIS-NIR) | 260 nm – 3500 nm (NIR-MIR Optimized) |
| SiO₂ Purity Percentage | ≥ 99.999% | ≥ 99.99% | ≥ 99.99% |
| Hydroxyl (OH⁻) Ion Content | ≤ 1200 ppm (Hydrated Synthetic) | ≤ 150 – 200 ppm | ≤ 5 ppm (Water-Free Vacuum Melt) |
| Continuous Thermal Limit | 1050 °C | 1100 °C | 1150 °C |
| Thermal Shock Tolerance | 1100 °C to 20 °C water quench: No Crack | 1100 °C to 20 °C water quench: No Crack | 1100 °C to 20 °C water quench: No Crack |
| Target Copenhagen Application | Laser optics, photolithography, UV sterilization | Sight glasses, general lab sensors, flow meters | Pyrometric ports, IR spectroscopy, thermal chambers |
Understanding shifting technical requirements across Scandinavian technology developers and high-precision instrument OEMs.
Danish procurement managers are transitioning away from high-markup pan-European intermediaries toward direct manufacturer partnerships with verified Chinese sources. By establishing reliable door-to-door delivery pathways directly to Copenhagen and Zealand distribution hubs via Hamburg and Billund logistics routing, technology manufacturers reduce bill-of-materials costs by 35% to 50% while receiving customized disc dimensions with rapid CAD-to-prototype lead times.
Scandinavian corporate governance emphasizes traceable material origins and environmentally verified fabrication. Lovri's onsite verification by SGS Group and comprehensive RoHS/REACH compliance documentation reassure Danish quality control managers that our fused quartz discs contain zero hazardous volatile compounds, heavy metals, or lead oxide dopants, meeting Nordic industrial sustainability criteria.
Post-pandemic medical device fabrication and high-throughput water treatment systems developed in Denmark are shifting aggressively toward narrow-wavelength 254 nm and 222 nm Far-UVC sources. These wavelengths degrade standard optical plastics within hours. High-purity quartz discs remain the sole commercially viable optical barrier capable of continuous high-flux UV exposure without solarization or transmission decay.
Detailed technical, logistical, and commercial clarifications for engineers and procurement specialists importing quartz products into Denmark.
Every quartz disc is sealed in individual dust-free anti-static plastic envelopes, layered in multi-density expanded polyethylene (EPE) shock absorption foam, and enclosed in heavy-duty vacuum-sealed inner cartons. Bulk consignments are exported in fumigated wooden shipping crates with built-in tilt/impact indicators, ensuring pristine transit via air freight to Copenhagen Airport (CPH) or sea freight through Port of Aarhus.
Yes. Our CNC machining facilities operate 3-axis and 5-axis ultrasonic CNC diamond processing units capable of precision drilling, hole milling, chamfering, O-ring groove carving, and step grinding. We accept STEP, DWG, DXF, and PDF drawings, maintaining tight tolerances down to ±0.01 mm on finished diameters.
Each consignment comes complete with Commercial Invoice, Detailed Packing List, Certificate of Conformity (CoC), Raw Material ICP-OES Chemical Spectrometry Analysis, and RoHS/REACH declaration sheets. Our export division facilitates frictionless Danish Customs (Toldstyrelsen) processing under applicable EU TARIC classifications.
While Borofloat 33 functions reliably up to 450 °C with acceptable visible light transmission, it blocks deep UV wavelengths below 300 nm and undergoes thermal softening above 520 °C. JGS1 fused silica remains mechanically stable up to 1100 °C, possesses near-zero coefficient of thermal expansion (5.5 × 10⁻⁷ /°C), and transmits over 90% of light at 193 nm, making it essential for excimer lasers and high-heat furnaces.
We support high-tech R&D prototyping across Danish academic and corporate laboratories. For custom prototyping, we accept trial orders starting from 1 to 5 pieces. For ongoing OEM batch manufacturing, volume graduated discount structures apply directly with guaranteed stock reserves for recurring delivery schedules.
Prior to dimensioning and outbound packaging, 100% of our quartz disc blanks pass through dual-wavelength polarization stress testers (polariscope analyzers). This eliminates optical birefringence anomalies and micro-fissure risks caused by rapid cooling, ensuring discs never shatter unexpectedly under intense cyclic operating temperatures.
Consult directly with our fused silica engineering team. Whether you need an urgent custom disc prototype, high-purity wafer carriers, or regular OEM component runs delivered to your facility in Copenhagen or anywhere across the Nordic region, we are ready to assist.
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