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A Quartz Plate, also known as a Quartz Glass Plate or Fused Quartz Plate, is a high-performance engineering material manufactured from high-purity silicon dioxide (SiO₂ ≥ 99.99%). It is produced by melting natural or synthetic quartz at extremely high temperatures, resulting in exceptional thermal stability, optical transparency, chemical resistance, and mechanical strength. These outstanding properties make quartz plates an ideal choice for demanding industrial, scientific, and optical applications where conventional glass cannot provide sufficient performance.
Compared with ordinary glass, a High Purity Quartz Plate offers a significantly higher softening point, lower thermal expansion coefficient, superior thermal shock resistance, and excellent transmission of ultraviolet (UV), visible, and infrared (IR) light. It can withstand continuous operating temperatures of up to 1100°C and short-term exposure to even higher temperatures without deformation or cracking. In addition, quartz plates exhibit excellent resistance to acids, corrosion, and electrical conductivity, ensuring reliable performance in harsh operating environments.
Quartz plates are available in several types to meet different application requirements, including Transparent Quartz Plate, Opaque Quartz Plate, Synthetic Quartz Plate, and Fused Quartz Plate. Transparent quartz plates are widely used in optical windows, laser systems, UV sterilization equipment, and precision instruments due to their outstanding light transmittance. Opaque quartz plates provide excellent thermal insulation and are commonly used in industrial furnaces and semiconductor thermal processing equipment. Synthetic quartz plates offer ultra-low impurity levels and exceptional UV transmission, making them ideal for semiconductor lithography, high-end optics, and laser applications. Fused quartz plates combine excellent thermal stability, chemical purity, and mechanical strength, making them one of the most widely used materials in advanced manufacturing industries.
Thanks to their unique combination of physical and chemical properties, Quartz Glass Plates are extensively used in semiconductor manufacturing, photovoltaic production, laboratory equipment, analytical instruments, aerospace engineering, medical devices, precision optics, laser technology, and chemical processing. In semiconductor fabrication, quartz plates serve as chamber windows, wafer carriers, furnace components, and process shields because they maintain dimensional stability and purity under high-temperature processing conditions. In laboratories, they are widely used for observation windows, reaction chambers, sample holders, and analytical equipment. In optical systems, quartz plates provide exceptional clarity and stable optical performance across a broad wavelength range.
As a professional Quartz Plate Manufacturer and Quartz Glass Plate Supplier, Shanghai Xinkehui New Material Co., Ltd. specializes in producing high-quality quartz products for customers worldwide. Our High Purity Quartz Plates are manufactured using premium raw materials and advanced processing technologies to ensure outstanding optical quality, precise dimensional accuracy, and consistent product performance. We offer customized sizes, thicknesses, polishing options, CNC machining, drilling, edge finishing, and special-shaped processing to meet the diverse requirements of semiconductor, optical, laboratory, and industrial applications.
With strict quality control, competitive factory pricing, fast delivery, and comprehensive technical support, Shanghai Xinkehui is committed to providing reliable Fused Quartz Plate solutions that help customers improve product performance and manufacturing efficiency. Whether you require standard quartz plates or fully customized quartz components, we are your trusted partner for high-quality quartz materials.
| Item | Specification |
|---|---|
| Product Name | Quartz Plate / Quartz Glass Plate / Fused Quartz Plate |
| Material | High Purity Fused Quartz (SiO₂ ≥ 99.99%) |
| Purity | ≥ 99.99% |
| Color | Transparent, Opaque (Milky White) |
| Thickness | 0.5 mm – 50 mm (Custom Available) |
| Length & Width | Customized According to Drawing |
| Maximum Size | Up to 1500 × 1000 mm (Customizable) |
| Surface Finish | Polished, Double-Side Polished, Ground, Fire Polished |
| Surface Roughness | Ra < 0.2 μm (Optical Grade Available) |
| Flatness | Customized (Optical Grade Available) |
| Light Transmittance | Over 90% (Visible Light) |
| Working Temperature | 1100°C (Continuous) |
| Softening Point | Approximately 1730°C |
| Coefficient of Thermal Expansion | 5.5 × 10⁻⁷ /K |
| Density | 2.20 g/cm³ |
| Mohs Hardness | 5.5 – 6.5 |
| Electrical Resistivity | Excellent Electrical Insulation |
| Chemical Resistance | Resistant to Most Acids and Corrosive Chemicals (Except HF) |
| Machining Service | Cutting, CNC Machining, Drilling, Slotting, Edge Grinding, Polishing |
| Customization | OEM & ODM Available |
| Applications | Semiconductor, Optics, Laboratory, Laser, Photovoltaic, Medical, Chemical Processing, Aerospace |
1. High Purity Material (SiO₂ ≥ 99.99%)
Our Quartz Plates are manufactured from high-purity fused quartz with a silicon dioxide (SiO₂) content of 99.99% or higher. The ultra-low impurity level minimizes contamination, making them ideal for semiconductor manufacturing, optical systems, and laboratory applications that demand exceptional material purity.
2. Excellent Optical Transparency
Transparent Quartz Plates provide outstanding light transmission across ultraviolet (UV), visible, and infrared (IR) wavelengths. Their excellent optical clarity makes them widely used for optical windows, laser systems, UV sterilization equipment, and precision scientific instruments.
3. Outstanding High Temperature Resistance
A Fused Quartz Plate can withstand continuous operating temperatures of up to 1100°C and has a softening point of approximately 1730°C. It maintains excellent dimensional stability even under prolonged exposure to extreme temperatures, making it suitable for furnaces, semiconductor processing, and high-temperature industrial equipment.
4. Low Thermal Expansion
Quartz glass has one of the lowest coefficients of thermal expansion among engineering materials. This unique property allows the plate to resist thermal deformation and cracking during rapid temperature changes, ensuring exceptional thermal shock resistance and long-term reliability.
5. Excellent Chemical Resistance
High Purity Quartz Plates exhibit outstanding resistance to most acids, alkalis, and corrosive chemicals, except hydrofluoric acid (HF). This excellent chemical stability makes them ideal for chemical processing equipment, laboratory instruments, and semiconductor manufacturing environments.
6. High Mechanical Strength
Quartz Plates combine excellent hardness with superior mechanical strength, providing excellent wear resistance and structural stability. They maintain their shape and performance even in demanding industrial applications where durability and precision are critical.
7. Superior Electrical Insulation
Thanks to its excellent dielectric properties, Quartz Glass Plate is an outstanding electrical insulator. It is widely used in semiconductor equipment, electronic manufacturing, high-frequency devices, and electrical insulation components operating under high temperatures.
8. Precision Machining Available
Shanghai Xinkehui New Material Co., Ltd. provides comprehensive precision machining services for Quartz Plates, including CNC machining, precision cutting, drilling, slotting, edge grinding, chamfering, polishing, and custom-shaped fabrication. All products are manufactured according to customer drawings and technical specifications.
9. Long Service Life
Due to its excellent thermal stability, corrosion resistance, and mechanical durability, a High Purity Quartz Plate offers an exceptionally long service life with minimal maintenance requirements. This helps reduce replacement costs and improve production efficiency in industrial applications.
10. Custom Sizes and OEM Solutions
We offer fully customized Quartz Plate solutions to meet diverse customer requirements. Thickness, dimensions, surface finish, edge treatment, optical polishing, drilled holes, grooves, and special geometries can all be manufactured according to your drawings or application needs. OEM and ODM services are available for global customers across semiconductor, optical, laboratory, photovoltaic, and industrial markets.
Shanghai Xinkehui New Material Co., Ltd. is committed to providing high-quality Quartz Plates that meet the demanding requirements of industries such as semiconductors, optics, laboratories, photovoltaics, and precision manufacturing. Our High Purity Quartz Plates are produced using premium raw materials, advanced manufacturing technology, and strict quality control to ensure outstanding performance and long-term reliability.
1. Superior UV Transmission
Our Transparent Quartz Plates offer exceptional ultraviolet (UV), visible, and infrared (IR) light transmission. With excellent optical clarity and minimal light absorption, they are widely used in UV sterilization equipment, laser systems, optical windows, spectroscopy, and semiconductor photolithography applications.
2. Excellent Thermal Stability
Manufactured from High Purity Fused Quartz, our quartz plates maintain excellent structural integrity under extreme temperatures. They can operate continuously at temperatures up to 1100°C and withstand rapid temperature fluctuations without cracking, making them ideal for high-temperature furnaces, semiconductor processing equipment, and laboratory instruments.
3. Outstanding Corrosion Resistance
Quartz glass is highly resistant to most acids, alkalis, and corrosive chemicals, except hydrofluoric acid (HF). This superior chemical stability ensures reliable performance in aggressive chemical environments, reducing maintenance costs and extending service life.
4. High Dimensional Accuracy
Every Quartz Plate is manufactured with strict dimensional tolerances to ensure precise thickness, flatness, and edge quality. This high level of accuracy makes our products suitable for semiconductor equipment, precision optical systems, and scientific instruments where exact dimensions are essential.
5. Excellent Surface Flatness
Our advanced grinding and polishing processes deliver outstanding surface flatness and excellent surface quality. Optical-grade polishing options are available to meet the demanding requirements of laser optics, precision imaging systems, and analytical instruments.
6. Low Bubble Content
Using carefully selected raw materials and advanced melting technology, our Fused Quartz Plates feature an extremely low bubble content. This improves optical performance, mechanical strength, and overall product reliability, especially in high-precision optical and semiconductor applications.
7. Ultra-Low Impurity Level
With a silicon dioxide (SiO₂) purity of 99.99% or higher, our High Purity Quartz Plates contain extremely low levels of metallic impurities and contaminants. This minimizes the risk of contamination during semiconductor wafer processing, optical manufacturing, and laboratory experiments, ensuring stable and consistent performance.
8. High-Precision CNC Machining
Shanghai Xinkehui offers comprehensive precision machining services for Quartz Glass Plates, including CNC cutting, drilling, slotting, milling, edge grinding, chamfering, polishing, and custom-shaped fabrication. Our experienced engineering team can manufacture complex quartz components according to customer drawings and technical specifications.
9. Stable and Consistent Quality
Quality is our highest priority. Every Quartz Plate undergoes rigorous inspection throughout the manufacturing process, including dimensional measurement, surface quality inspection, optical examination, and final quality verification before shipment. This ensures consistent product performance and dependable quality for every order.
10. Global Export Experience
As an experienced Quartz Plate Manufacturer and Quartz Glass Plate Supplier, Shanghai Xinkehui has supplied quartz products to customers worldwide. Our professional export team provides responsive technical support, customized manufacturing solutions, secure packaging, and efficient global logistics, ensuring a smooth purchasing experience for customers in the semiconductor, optical, laboratory, medical, and industrial sectors.
1. Quartz Plate for Semiconductor Industry
The semiconductor industry demands ultra-clean materials capable of withstanding high temperatures and minimizing contamination during wafer fabrication. Quartz Plate for Semiconductor applications is manufactured with SiO₂ purity of 99.99% or higher, providing excellent thermal stability and chemical resistance throughout semiconductor processing.
Typical semiconductor applications include:
Our precision-machined Fused Quartz Plates help improve manufacturing efficiency while maintaining the cleanliness required for advanced semiconductor production.
2. Solar & Photovoltaic Industry
Quartz plates play a critical role in solar cell manufacturing and photovoltaic production processes. Their excellent heat resistance and low thermal expansion allow them to maintain dimensional stability during high-temperature crystal growth and silicon wafer processing.
Applications include:
Our High Purity Quartz Plates help improve manufacturing consistency and extend equipment service life in photovoltaic production environments.
3. Optical Instruments
Transparent Quartz Plate offers exceptional transmission across ultraviolet (UV), visible, and infrared (IR) wavelengths, making it one of the most important materials in modern optical engineering.
Typical optical applications include:
Optical-grade polishing and excellent surface flatness ensure outstanding optical performance with minimal distortion.
4. Quartz Plate for Laboratory Equipment
Laboratory equipment often operates under corrosive chemicals and elevated temperatures. Quartz Plate for Laboratory applications provides outstanding chemical resistance, thermal shock resistance, and optical clarity for scientific research.
Common laboratory applications include:
Its high purity also minimizes contamination during sensitive laboratory experiments.
5. Laser Equipment
Quartz is one of the preferred materials for laser systems because of its exceptional optical properties and excellent resistance to laser energy.
Applications include:
Our precision-polished Quartz Glass Plates provide excellent optical transmission while maintaining dimensional stability under continuous laser operation.
6. Medical Equipment
Medical devices require materials with high purity, excellent chemical stability, and reliable optical performance. Quartz plates are widely used in medical and biotechnology equipment where cleanliness and durability are essential.
Typical applications include:
High Purity Quartz Plate ensures reliable long-term performance and excellent resistance to repeated sterilization processes.
7. Analytical Instruments
Many scientific analytical instruments rely on quartz components because of their optical transparency and chemical inertness.
Applications include:
Quartz plates provide stable optical performance and exceptional measurement accuracy.
8. Chemical Industry
The excellent corrosion resistance of quartz glass makes it an ideal material for harsh chemical environments.
Applications include:
Quartz maintains excellent stability when exposed to most acids and corrosive chemicals, helping improve equipment reliability and service life.
9. Electronics Manufacturing
Modern electronics manufacturing requires precision materials with excellent insulation and dimensional stability.
Quartz plates are commonly used in:
Their superior electrical insulation properties make them suitable for high-frequency and high-temperature electronic applications.
10. LED Industry
The LED manufacturing process requires materials capable of maintaining dimensional accuracy and optical performance under elevated temperatures.
Quartz plates are widely used for:
Their excellent thermal stability contributes to improved manufacturing consistency and production efficiency.
11. Aerospace Industry
Aerospace applications demand lightweight, durable materials capable of performing under extreme environmental conditions.
Quartz plates are used in:
Their outstanding thermal resistance, low thermal expansion, and optical stability make them suitable for demanding aerospace environments.
At Shanghai Xinkehui New Material Co., Ltd., every Quartz Plate is manufactured through a rigorous production process to ensure exceptional purity, dimensional accuracy, optical quality, and long-term reliability. From raw material selection to final packaging, each step is carefully controlled to meet the stringent requirements of the semiconductor, optical, laboratory, and industrial sectors.
1. High-Purity Quartz Raw Material
The manufacturing process begins with carefully selected high-purity natural or synthetic quartz (SiO₂ ≥ 99.99%). Premium raw materials ensure excellent optical transmission, superior thermal stability, and ultra-low impurity levels required for high-performance applications.
2. High-Temperature Melting
The quartz material is melted at temperatures exceeding 1700°C to form homogeneous fused quartz. This process eliminates internal defects and creates a dense, stable material with outstanding physical and chemical properties.
3. Annealing Process
After melting, the quartz undergoes a precisely controlled annealing process to relieve internal stress. Proper annealing improves thermal shock resistance, dimensional stability, and mechanical strength while minimizing the risk of cracking during subsequent machining or high-temperature use.
4. Precision Cutting
The annealed quartz is cut into the required dimensions using high-precision cutting equipment. Custom sizes, thicknesses, and special shapes can be produced according to customer drawings and specifications.
5. Grinding & Shaping
Precision grinding ensures accurate dimensions, flatness, and edge quality. Additional machining processes such as chamfering, slotting, drilling, and CNC machining can also be performed to meet specific application requirements.
6. Secure Packaging
Finished quartz plates are carefully packaged using protective film, foam cushioning, vacuum packaging (if required), and export-grade wooden cases or cartons. Professional packaging minimizes the risk of damage during international transportation and ensures the products arrive safely at the customer’s facility.
Depending on the customer’s requirements, the quartz plate undergoes single-side polishing, double-side polishing (DSP), or optical-grade polishing. This process produces excellent surface flatness, low surface roughness, and superior optical transparency for demanding optical and semiconductor applications.
7. Ultrasonic Cleaning
After machining and polishing, each Quartz Plate is thoroughly cleaned using ultrasonic cleaning technology to remove dust, polishing residue, and microscopic contaminants. This ensures a clean surface suitable for high-precision and contamination-sensitive environments.
8. Quality Inspection
Every quartz plate undergoes comprehensive quality inspection before shipment. Inspection items include:
Dimensions and thickness
Surface quality
Flatness
Optical transparency
Bubble and inclusion inspection
Edge quality
Visual appearance
Only products that pass strict quality control standards are approved for delivery.
9. Secure Packaging
Finished quartz plates are carefully packaged using protective film, foam cushioning, vacuum packaging (if required), and export-grade wooden cases or cartons. Professional packaging minimizes the risk of damage during international transportation and ensures the products arrive safely at the customer’s facility.
| High-Purity Quartz Raw Material |
→ | High-Temperature Melting |
→ | Annealing Process |
→ | Precision Cutting |
→ | Grinding & Shaping |
→ | Optical Polishing / DSP |
| Ultrasonic Cleaning |
→ | Quality Inspection |
→ | Secure Packaging |
→ | Global Shipment |
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