SGS Onsite-Verified Fused Quartz Manufacturer [email protected]
Engineered Quartz Glass

Fused Quartz Plates, Discs & Optical Windows

Optical Fused Quartz Plates & Custom Machined Components

Lovri Quartz Products Co., Ltd. fabricates optical-grade JGS1, JGS2, and JGS3 quartz plates, sight glass discs, ultra-thin substrates (0.1–0.5 mm), and CNC drilled windows designed for semiconductor equipment, laser apparatus, and extreme temperature environments up to 1300°C.

OPTICAL PLATE Customized Transparent Quartz Glass Sheet and Window

Customized Transparent Quartz Glass Sheet & Optical Window

Material: 99.99% Fused Silica
Surface: Optical Polish 60/40
Heat Limit: 1100°C Cont.
Service: Custom Cutting/Bore
LASER COMPONENT Custom Multi-hole Quartz Flow Tubes Laser Candela

Multi-Hole Quartz Flow Tube for Laser Heads & Medical Optics

Design: Multi-Bore Precision
Purity: High Optical Grade
Application: Laser Cavity Cooling
Tolerance: ±0.05 mm
VIEWPORT Custom High Temperature Resistant High Transmittance Optical Quartz Glass Viewing Window

High Temperature Resistant Optical Quartz Viewing Window

Transmittance: ≥ 92% (UV-VIS)
Thermal Shock: 1100°C to Cold Water
Edge Finish: Beveled & Polished
Custom Shape: Round / Square
APPARATUS Clear Quartz Glass Boat High Purity Silica Solar Quartz Boat

High Purity Solar & Semiconductor Quartz Wafer Carrier Boat

Process: Seamless Flame Weld
Purity: 99.99% SiO2 Grade
Furnace Temp: Up to 1300°C
Slots: Custom Wafer Pitch
CNC MACHINED Customized CNC High Purity Quartz Machine Parts

Precision CNC Machined Quartz Circular Plate with Stepped Holes

Tooling: 4-Axis Diamond CNC
Tolerance: ±0.02 mm
Finish: Acid Etched / Polished
Standard: Semiconductor Clean
QUARTZ DISC High Transparency High Temperature Resistant Fused Quartz Glass Disc

High-Transparency Fused Quartz Disc for Laser Machinery

Material: JGS1 / JGS2 Fused Silica
Flatness: < 2 Lambda / Inch
Parallelism: < 30 Arcsec
Diameter: Up to Ø600 mm
CIRCULAR PLATE Customized High Temperature 99.99 Pure Quartz Transparent Circular Glass Plate

Industrial Circular Quartz Plate for Chemical & Sintering

Purity: ≥ 99.99% Pure SiO2
Thickness: 1 mm to 50 mm
Corrosion: Full Acid Resistance
Annealing: Stress-Relieved
THIN SHEET Customized High Temperature Clear Quartz Glass Plate 1mm Thickness

1 mm Thin Clear Quartz Glass Plate with Custom Laser Cutting

Thickness: 1.0 mm (±0.05 mm)
Transmission: > 90% at 200–2500 nm
Cutting: Smooth Edge Laser Cut
Thermal Exp.: 5.5 × 10⁻⁷ /°C
SIGHT GLASS Customized High Temperature Quartz Glass Plate High Precision

High Precision Quartz Sight Glass Plate for High-Pressure Boilers

Pressure: Up to 10 MPa Tested
Working Temp: 1100°C Continuous
Inspection: Polarized Stress Tested
Edges: Ground C-Edge
UV TRANSPARENT BR 05 High Temperature Quartz Glass Plate 99.99 Pure Quartz UV Transparent

BR-05 UV Transparent Quartz Glass Plate for Spectroscopy

UV Cut-off: 185 nm (Deep UV)
Quality Grade: Bubble-free Class A
Parallelism: Optical Lapped
Certification: RoHS Verified
ARC-SHAPED CE Certified Polished Half Round Quartz Glass Tube Transparent Arc-shaped Quartz Sheet

Polished Half-Round Arc-Shaped Quartz Sheet & Furnace Shield

Forming: Precision Hot Bending
Surface: Flame / Optical Polished
Diameter: Tailored to Radius
Compliance: CE Certified
DOUBLE POLISHED Corrosion Resistant High Light Transmittance Double Sided Polishing Fused Quartz Sheet

Corrosion-Resistant Double-Sided Polished Fused Quartz Sheet

Surface Roughness: Ra < 0.5 nm
Purity: 99.99% SiO2 White Rim
Acid Resistance: 30x Superior to Borosilicate
Lead Time: Direct Factory Dispatch
REACTOR PART High Purity SiO2 Quartz Glass Instrument for Laser Machinery Custom Reactor

High Purity Fused Quartz Instrument Plate for Chemical Reactors

Application: Photochemical Reactor
Purity: 99.99% SiO2
Welding: Inert Gas Arc Fused
Thermal Durability: 1200°C Max
CAPILLARY TUBE Fused Quartz Capillary Tube Annealed 1200C ROHS Certified

Micro Fused Quartz Capillary Tube for Laser & Chromatography

Annealing: 1200°C Relief
ID/OD: Down to 0.1 mm precision
Purity: 99.99% High Silica
Standard: RoHS Compliant
ULTRA-THIN Ultra Thin 0.1mm 0.2mm 0.3mm 0.4mm 0.5mm Quartz Sheet

Ultra-Thin Fused Quartz Wafer Substrate (0.1 mm to 0.5 mm)

Thickness Options: 0.1 / 0.2 / 0.3 / 0.5 mm
Parallelism: High Flatness CMP
Purity: 99.99% Synthetic Fused
Use: MEMS & Laser Windows
FLUIDIC PART Custom-processed Fused Quartz High-purity 99.99 SiO2 Fluidic

Custom-Processed Quartz Microfluidic & Optical Substrate Plate

Machining: Micro-channel Drilling
Annealing: 1200°C Thermal Cycle
Surface: Scratch-Dig 40/20
Purity: 99.99% SiO2 Standard

Certified In-House Production Process & Quality Inspection

At Lovri Quartz Products Co., Ltd., all fused quartz products are produced end-to-end within our 14,271 m² facility in Lianyungang, China. Each phase follows strict SOP guidelines to guarantee 99.99% chemical purity, thermal stability, and exact dimensional accuracy.

Raw Materials Cutting 01. Raw Material Cutting
Raw Materials Pulverizer 02. Pulverizing
Rescreening 03. Rescreening Sand
Pickling 04. Chemical Acid Pickling
Tube Drawing 05. Tube & Ingot Drawing
Annealing 06. 1200°C Thermal Annealing
CNC Machining 07. Multi-Axis CNC Machining
Polarization stress tester 08. Polarization Stress Testing
Inspection 09. Optical & Caliper Inspection
Vacuuming 10. Ultrasonic Clean & Vacuum
Laboratory 11. Certified In-House Lab
Packaging 12. Shockproof Export Packing

Need Custom Quartz Plates or Machined Prototypes?

Send us your technical drawings (PDF, DWG, DXF, or STEP) along with required purity and operating temperature specs. Our engineers provide rapid DFM reviews and factory-direct pricing within 24 business hours.