Quartz Glass Plate is made of high-purity fused silica (SiO₂ up to 99.99%) and belongs to our Quartz Glass Series. It is engineered for industrial and optical applications requiring high UV transmittance, excellent thermal resistance, and stable optical performance.
Quartz Glass Plate is made of high-purity fused silica (SiO₂ up to 99.99%) and belongs to our Quartz Glass Series. It is engineered for industrial and optical applications requiring high UV transmittance, excellent thermal resistance, and stable optical performance.
It is widely used in semiconductor equipment, optical systems, laboratory instruments, UV sterilization systems, and high-temperature industrial equipment.
High Temperature Resistance
Quartz glass can operate reliably under extreme thermal conditions for industrial high-temperature processing applications.
Long-term use temperature: 1100°C
Short-term resistance: up to 1450°C
Softening point: 1630°C
Stable performance in high-temperature environments, suitable for furnace windows and thermal processing systems.
High UV & Optical Transmission
Quartz Glass Plate offers excellent transmission across ultraviolet, visible, and infrared wavelength ranges.
Wavelength range: 180–2500nm
Visible light transmittance: >90–93%
Suitable for UV curing systems, optical instruments, and precision optical applications.
High Purity Material
SiO₂ purity up to 99.99%
Ensures stable optical performance and low impurity interference, suitable for semiconductor and optical applications.
Chemical Resistance
Resistant to most acids
Except hydrofluoric acid (HF) and hot phosphoric acid
Suitable for harsh chemical and industrial environments.
Electrical Insulation
10,000× higher insulation than normal glass
Stable under high temperature conditions
Ideal for electrical systems and optical electronic applications.
Thermal Shock Resistance
Very low thermal expansion coefficient
Withstands rapid temperature changes without cracking
Suitable for rapid heating and cooling industrial environments.
Material Properties
Material: Fused Silica (Quartz Glass)
SiO₂: 99.99%
Density: 2.2 g/cm³
Hardness: 5.5–6.6 Mohs
Melting point: 1732°C
Working temperature: 1100°C
Softening point: 1630°C
Annealing point: 1180°C
Based on high-purity fused silica optical material standards, suitable for UV and high-temperature applications.
Mechanical Properties
Tensile strength: 4.8 × 10⁷ Pa
Compressive strength: >1.1 × 10⁹ Pa
Rigidity modulus: 3.1 × 10¹⁰ Pa
High mechanical stability for industrial and optical applications.
JGS1 (UV Optical Grade)
180–2500nm
Excellent UV transmission
Suitable for high-end optical systems
JGS2 (General Optical Grade)
200–2500nm
Widely used industrial grade
JGS3 (Infrared Optical Grade)
260–3500nm
Infrared focused applications
Quartz Glass Plate optical grades are classified based on wavelength transmission and application requirements.
We are a manufacturer providing OEM & ODM customization for Quartz Glass Plate:
Thickness: 0.5mm – 19mm
Size: Custom dimensions available
Shape: Flat plate
Edge: Polished / Frosted
Corner: Right angle / Rounded
Surface: Double-side polished
Logo: Custom available
Custom specifications are available based on drawings or application requirements.
Optical Industry Applications
UV optical lenses
Spectrometer systems
Optical windows
Semiconductor Industry Applications
UV lithography systems
Exposure equipment
Laboratory Applications
High-purity chemical equipment
Analytical instruments
Industrial High Temperature Applications
Furnace observation windows
Thermal processing systems
UV Applications
UVC sterilization systems
UV curing equipment
Aerospace Applications
Wind tunnel windows
Radiation-resistant optical components
Manufacturer Since 1998
Over 25 years of experience in glass manufacturing ensures stable production quality and reliable supply.
Full In-House Production
We operate a complete production system from raw material processing to final inspection, ensuring consistent quality control.
Advanced Optical Processing Equipment
Equipped with precision cutting and polishing machines for high-quality quartz glass plate production.
Strict Quality Control System
Every product is inspected to ensure dimensional accuracy, surface quality, and optical performance.
Global Export Experience
Our products are exported to more than 80 countries worldwide, serving industrial and optical markets.
OEM/ODM Support
We support custom sizes, thickness, edge finishing, and surface processing based on customer requirements.
Fast Sample & Production Service
Efficient production system ensures quick sample delivery and stable mass production lead time.
Packaging
Protective film applied on glass surface to prevent scratches
EPE foam cushioning for shock protection
Strong wooden export crate for international shipping safety
Shipping
Samples: DHL / FedEx / UPS (7–10 days delivery time)
Bulk orders: FOB Qingdao Port, China
Payment terms: 30% deposit + 70% balance before shipment
Designed for safe international transportation of fragile quartz glass products.
Q1: How do I choose the right quartz glass grade for my application?
JGS1 is recommended for UV and high-precision optical systems, JGS2 is suitable for general industrial use, and JGS3 is designed for infrared-related applications. Selection depends on wavelength requirements and working environment.
Q2: What factors should be considered before ordering Quartz Glass Plate?
Key factors include working temperature, optical transmission requirement, thickness, surface finish, and application environment such as UV, laboratory, or industrial heating systems.
Q3: What surface finishing options are suitable for optical use?
Double-side polishing is typically required for optical-grade applications to ensure high transmission and flatness, while frosted or single-side polished surfaces are used for industrial purposes.
Q4: How stable is quartz glass under thermal cycling conditions?
Due to its very low thermal expansion coefficient, quartz glass maintains stability under repeated heating and cooling cycles without cracking or deformation.
Q5: Which industries commonly use quartz glass plates?
It is widely used in UV curing systems, optical inspection equipment, laboratory analysis instruments, semiconductor-related processes, and high-temperature industrial equipment.
Q6: What precision tolerance can be achieved?
Tolerance depends on size and processing method. High-precision CNC cutting and polishing can be applied for optical and technical requirements.
Q7: What is the standard production and delivery time?
Samples are typically delivered within 7–10 days via express shipping. Mass production usually requires 15–20 days depending on specifications and order volume.
Q8: What customization options are available for quartz glass plates?
Customization includes size, thickness, edge processing, surface finishing, and optional logo marking based on technical drawings or application requirements.
Q9: How is Quartz Glass Plate packaged for export?
Each piece is protected with surface film, shock-absorbing foam, and reinforced wooden crates to ensure safe transportation during international shipping.
Q10: What is the minimum order quantity (MOQ)?
MOQ varies depending on size and specifications. Small trial orders are accepted to support evaluation before bulk production.