High Purity 99.99% Quartz Glass Disc / Sheet High Purity Optical Furnace Viewing Window
Continuous 1100°C heat tolerance, double-side optical polish, custom round or square cutting.
$1.45 - 3.00/ pc
Min. Order: 10 pcs
Precision Quartz Glass Plates & Discs
Showing verified industrial & optical grade quartz componentsStandard MOQ from 1 pc • Drawing Customization Supported
High Purity 99.99% 
Thermal Shock Resistant High-Temperature Quartz Plate for UV Curing Machine Viewports
Exceptional UV transmission, thermal shock resistance, precision edge chamfering and welding support.
$30.00 - 50.00/ pc
Min. Order: 1 pc
Custom Surface Finish Frosted & Sandblasted Quartz Diffuser Plate for Optical & LED Applications
Uniform frosted or etched surface for light diffusion, non-glare viewports, and high-heat insulation.
$3.00 - 15.00/ pc
Min. Order: 1 pc
1100°C Rated Clear Fused Silica Quartz Plate & Optical Substrate (1100°C)
High dimensional accuracy, flat surface grinding, suitable for high-vacuum viewports and semiconductors.
$0.85 - 3.00/ pc
Min. Order: 1 pc
High Permeability Transparent Fused Quartz Optical Test Sample Sheet & Substrate
Ideal for spectroscopy, laboratory analysis, semiconductor inspection, and UV exposure setups.
$0.85 - 3.00/ pc
Min. Order: 1 pc
JGS2 Material JGS2 Optical Grade Polished Fused Silica Lens & Window Blank
Transmitting 220–2500 nm, double-side fine polished, free of bubbles and inclusions.
$0.85 - 3.00/ pc
Min. Order: 1 pc
Lab Analytical Circular Fused Quartz Disc for XRD Zero Background Sample Holders
Specialized precision disc for X-ray diffraction sample mounts with minimal background noise.
$0.25 - 1.35/ pc
Min. Order: 1 pc
Laser Finishing Laser Grooved & Micro-Drilled High-Purity Fused Quartz Window
Laser micro-machining with zero edge chipping, custom channels, micro-holes, and step edges.
$0.50 - 1.50/ pc
Min. Order: 1 pc
Fiber Laser Optics 1064nm Fiber Laser Machine Protective Window Lenses (Dia. 20-55mm)
AR-coated or uncoated high damage threshold fused silica windows for laser cutting heads.
$0.25 - 1.35/ pc
Min. Order: 1 pc
Biomedical Grade 96-Well Quartz Microporous Plate & Biomedical Reaction Substrate
High UV clarity for enzyme-linked immunosorbent assay (ELISA) and fluorescence analysis.
$18.00 - 32.00/ pc
Min. Order: 1 pc
Manufacturing Authority
Engineered by Zunex Quartz Products Co., Ltd.
Located in Donghai County, Jiangsu Province — widely recognized as the crystal and silicon capital of China — Zunex Quartz Products Co., Ltd. specializes in the custom fabrication of high-purity fused quartz glass plates, optical windows, discs, and wafer substrates.
Our core technical advantage lies in our integrated processing suite: from precision CNC grinding and double-sided optical polishing (up to 40/20 scratch-dig) to non-contact quartz laser finishing (drilling, grooving, profiling). We support both prototype development and mass OEM production with high repeatable accuracy (±0.02 mm).
Every batch of quartz products undergoes strict optical and dimensional inspection before dispatch, ensuring flawless performance across semiconductor manufacturing, UV optics, solar photovoltaic diffusion, and aerospace research.
Corporate Location Donghai County, Jiangsu, China
Business Model Manufacturer & Exporter
Response Performance 100% Rate • ≤ 2 Hours
Annual Export Revenue US$2.5M – US$5.0M
Reorder Rate 43% Verified Repeat Rate
Workforce 11 – 50 Skilled Specialists
Fused Quartz Optical & Physical Specifications
Our quartz glass plates are produced using premium high-purity natural silica sand or synthetic silicon tetrachloride, achieving purity up to 99.999% SiO₂.
| Property Parameter | Standard Fused Quartz (JGS2) | Synthetic Fused Silica (JGS1) |
|---|---|---|
| SiO₂ Purity Content | ≥ 99.99% | ≥ 99.999% |
| Spectral Transmission Range | 220 nm – 2500 nm (UV-Vis-NIR) | 185 nm – 2500 nm (Deep UV-Vis) |
| Max Continuous Working Temp | 1100 °C | 1150 °C |
| Short-term Peak Temperature | 1300 °C | 1350 °C |
| Thermal Expansion Coefficient | 5.5 × 10⁻⁷ / °C | 5.4 × 10⁻⁷ / °C |
| Thermal Shock Resistance | 1100 °C to 20 °C water quench (no crack) | 1100 °C to 20 °C water quench (no crack) |
| Available Thicknesses | 0.2 mm – 50 mm | 0.15 mm – 30 mm |
| Finishing Options | Double-side optical polish (40/20, 60/40), laser micro-drilling, CNC step slots, frosted etching, AR coating | |
Need Custom Quartz Plates or Windows Made to Your Drawing?
Send your dimensional tolerances, material grade requirements, and target quantity. Our application engineering team will review manufacturability and provide an official quotation within 2 hours.