Engineered Quartz Substrates, Sight Windows & Precision Bars
Donghai County Nivra Quartz Products Co., Ltd. provides high-purity optical fused quartz plates (JGS1, JGS2, JGS3), ground discs, polished quartz bars, and semiconductor-grade quartz wafers. Featuring over 92% light transmittance, ultra-low thermal expansion (5.5 × 10⁻⁷ /°C), and operating temperatures up to 1200 °C.
Optical Grade
$20.00 - $23.00 MOQ: 10 pcs
High Purity
Ultra-Clear High-Purity Quartz Sheet for Laboratory Window & Sight Glass
$40.00 - $45.00 MOQ: 10 pcs
Custom Cut
Precision CNC Cut Quartz Glass Plate with Polished Chamfered Edges
$30.00 - $35.00 MOQ: 10 pcs
Semiconductor Fast Dispatch
Factory-Made High-Purity Small-Size Quartz Wafer with Precision Thinning
$1.00 - $3.00 MOQ: 100 pcs
Best Value 180+ Sold
Thin Clear Fused Silica Round Disc for Laser Optical Sensor Covers
$0.20 - $0.50 MOQ: 10 pcs
Heavy Duty
Heavy-Wall Fused Quartz High Pressure Sight Glass and Viewport Flange Plate
$40.00 - $55.00 MOQ: 10 pcs
Top Seller 446+ Sold
Standard Square Clear Quartz Substrate Sheet for PV Cell Fabrication
$2.25 MOQ: 10 pcs
High Temp
Thermal-Shock Resistant Fused Silica Observation Plate (Up to 1200 °C)
$50.00 MOQ: 10 pcs
Custom Polish 100+ Sold
Double-Side Polished JGS2 Quartz Circular Window for Industrial Lighting
$1.00 MOQ: 10 pcs
Request a Custom Quote or Material Sample
Need non-standard geometries, custom drill holes, stepped edges, or special optical coatings? Send your technical drawings to our engineering team for immediate review within 5 hours.