Precision Fused Quartz Plates & Optical Silica Glass Discs
Lianyungang Zelvo Quartz Products Co., Ltd. specializes in precision fabrication of optical and industrial quartz glass plates. Sourced directly from Donghai, the hub of high-purity natural silica reserves, our plates are manufactured with high SiO₂ purity (≥99.99%), zero solarization under UV radiation, exceptional optical transmission across UV-Vis-NIR spectra, and extreme thermal shock endurance from 1100 °C to ice water quenching.
99.99% Pure Fused Quartz Glass Disc & Optical Sheet
High-temperature optical furnace viewing windows cut to custom diameter and thickness with fire-polished or ground edges.
High-Temperature Quartz Plate for UV Curing Machines
Heavy-duty heat and thermal-shock resistant quartz glass panel engineered for industrial UV drying, lithography, and printing machines.
Frosted & Chemically Etched Quartz Diffuser Sheet
Non-glare optical sandblasted or acid-etched quartz glass plates for uniform light dispersion, LED guide panels, and furnace baffles.
Custom Clear Fused Quartz Plate for Optics & Furnaces
Premium optical clarity fused silica plates for vacuum chambers, metallurgy viewing ports, high-power halogen lamps, and laser systems.
Optical-Grade Test Sample Quartz Plate Substrate
High-transmission fused transparent quartz test carrier slides for chemical spectroscopy, fluorescence microscopy, and thin-film coating research.
JGS2 Polished Fused Silica Optical Window Substrate
Precision double-side polished JGS2 quartz glass plates providing superior optical transmission in 220–2500 nm range for optical instruments.
Zero-Background XRD Fused Quartz Sample Holder
Circular and rectangular quartz glass discs precision-ground with micro-recessed wells designed for X-ray diffraction analytical testing.
Heavy Pressure Boiler Quartz Sight Glass Window
High-pressure, temperature-resistant round and oblong quartz sight glasses for petrochemical boilers, pipelines, and autoclave reactors.
High-Permeability UV Transparent Quartz Window Lens
Deep-UV synthetic fused silica window discs with >90% transmission at 254 nm, ideal for excimer lasers and UV analytical optics.
Laser-Grooved Quartz Microfluidic & Sensor Plates
Precision micro-grooving and laser micromachining on quartz substrates for lab-on-a-chip, bio-sensing, and specialized optical guides.
1064nm Fiber Laser Machine Protective Quartz Windows
Dia.20mm, 25×2mm, 25×3mm, and 30×5mm anti-reflection coated fused silica laser protective lenses with low thermal lensing effect.
Bespoke Large-Format Fused Quartz Viewing Windows
Oversized quartz glass panels manufactured up to 1000×800 mm with edge chamfering, hole drilling, and customized step profiles.
Hyper-Hemispherical Optical Quartz Dome Windows
Precision-blown and CNC-polished fused silica dome lenses for deep-sea optical sensors, pyrometry, aerospace, and wide-angle vision.
G1–G5 Sintered Quartz Frit Disc & Porous Filter Plate
Porous sintered quartz fiber discs with controlled pore sizes (G1 through G5) for aggressive chemical filtration, sparging, and gas diffusion.
Thermal-Shock Proof Stove & Fireplace Quartz Glass
High-temperature transparent fire window glass resistant to flame impingement and sudden rainwater thermal shock up to 1100 °C.
24 / 96-Well Quartz Microplate for High-Throughput Assays
Optically transparent 96-well fused quartz microplates featuring flat-bottom wells with zero UV autofluorescence for ELISA and DNA analysis.
Optical Grades & Material Selection Guide
Selecting the right grade of fused silica or fused quartz ensures optimal transmission, thermal endurance, and cost efficiency for your specific application:
| Grade | Material Type | Spectral Transmission | Hydroxyl (OH⁻) Content | Primary Applications |
|---|---|---|---|---|
| JGS1 | Synthetic Fused Silica | 185 nm – 2500 nm (Deep UV to NIR) | < 2 ppm to 1200 ppm | Excimer laser optics, UV spectrophotometers, lithography |
| JGS2 | Fused Quartz (Gas Refined) | 220 nm – 2500 nm (UV to NIR) | < 30 ppm | Optical windows, sight glasses, furnace viewing ports |
| JGS3 | Infrared Fused Quartz | 260 nm – 3500 nm (No OH Absorption) | < 5 ppm | Infrared pyrometry, thermal imaging, FTIR analytical windows |
| Standard Quartz | Electric Fused Silica | Visible & Near-IR | < 20 ppm | Boiler sight glasses, heat lamps, semiconductor carriers |
Custom Fabrication & Machining Capabilities
With more than a decade of specialized quartz glass processing experience, our facility supports full custom fabrication based on your drawings and engineering tolerances.
Laser Cutting & Grooving
Non-contact CNC laser cutting prevents micro-cracks on quartz edges. Kerf precision up to ±0.02 mm for intricate microchannels and steps.
Double-Sided Polishing
Chemical mechanical planarization (CMP) yielding surface roughness Ra < 0.5 nm, parallelism < 30 arcseconds, and surface figure λ/4.
CNC Ultrasonic Drilling
Micro-hole drilling from 0.3 mm diameter up to large aperture cutouts with zero chip breakout, suitable for vacuum feedthroughs.