Quartz Glass Windows are made from high-purity fused quartz, offering excellent optical transmission, thermal stability, and chemical resistance. Standard and custom sizes are available for a wide range of optical and industrial applications.
Quartz Glass Windows are precision optical components designed to provide exceptional light transmission, high thermal resistance, and excellent chemical stability. Manufactured from high-purity fused quartz, our windows deliver reliable optical performance across ultraviolet (UV), visible, and infrared (IR) wavelengths.
As an experienced Quartz Glass Window manufacturer, we provide custom quartz windows in a wide range of shapes, dimensions, thicknesses, and surface finishes to meet demanding industrial and scientific applications. Available in round, square, rectangular, and custom-shaped quartz glass windows, our products can also be manufactured with precision edge finishing and optical polishing.
Every quartz glass window is manufactured under strict quality control and can be customized according to your drawings or technical specifications. You may also be interested in our other fused quartz products for related applications.
Our Quartz Glass Windows are engineered for demanding optical and industrial environments where high transmission, thermal stability, and precision are essential. Manufactured from premium fused quartz, every window is carefully processed to ensure excellent optical performance and dimensional accuracy.
Key Features
High Optical Transmission
Quartz glass provides excellent transmission from UV through visible to infrared wavelengths, making it ideal for precision optical applications.
Superior Thermal Stability
Designed to withstand extreme temperatures and thermal shock, quartz glass windows maintain stable performance in high-temperature processing environments.
Excellent Chemical Resistance
Quartz material offers exceptional resistance to most acids and corrosive chemicals, ensuring long-term durability even in harsh operating conditions.
Precision Manufacturing
Every window is precision machined and optically polished to achieve excellent flatness, smooth edges, and consistent optical quality.
Flexible Customization
Custom dimensions, thicknesses, shapes, edge finishes, holes, slots, and surface polishing are available based on customer drawings or specifications.
Reliable Quality
Strict manufacturing and inspection processes ensure stable quality, repeatable precision, and dependable performance for OEM and industrial applications.
Quartz Glass Window Specifications
Our Quartz Glass Windows are available in a wide range of standard and custom specifications to meet the requirements of optical, semiconductor, laser, laboratory, and industrial applications. Every product is manufactured with strict dimensional control and can be customized according to your drawings or technical requirements.
| Specification | Standard Range |
| Material | High-Purity Fused Quartz |
| Shape | Round, Square, Rectangular, Custom |
| Diameter / Size | Custom Available |
| Thickness | 0.5 mm – 50 mm (Custom) |
| Surface Quality | 60/40, 40/20, or Customized |
| Surface Flatness | λ/10 Available |
| Parallelism | Customized |
| Edge Finish | Ground, Polished, Chamfered |
| Optical Polish | Single Side / Double Side |
| Working Temperature | Up to 1100°C (Continuous) |
| Thermal Shock Resistance | Excellent |
| Light Transmission | UV, Visible & IR |
| Custom Machining | Drilling, Slots, Grooves, CNC Machining |
| Coating Options | AR Coating, HR Coating, Customized |
| OEM & ODM | Supported |
Custom Manufacturing to Your Exact Requirements
Every application has unique performance requirements. As an experienced Quartz Glass Window manufacturer, we provide fully customized solutions based on customer drawings, samples, or technical specifications. From prototype development to high-volume production, our engineering team works closely with customers to ensure every quartz window meets the required optical, mechanical, and dimensional standards.
Customization Options
1.Dimensions & Thickness
Custom diameters, lengths, widths, and thicknesses are available to meet your equipment or system requirements.
2.Shapes
We manufacture round, square, rectangular, oval, and irregular-shaped quartz glass windows with high dimensional accuracy.
3.Surface Finishing
Choose from ground surfaces, optical polishing, double-sided polishing, or other customized surface finishes based on your application.
4.Edge Processing
Available edge treatments include ground edges, polished edges, chamfered edges, beveled edges, and other custom edge profiles.
5.Precision Machining
Additional machining services such as drilling, slots, grooves, notches, CNC machining, and complex profile fabrication are available according to drawings.
6.Optical Coatings
Anti-reflective (AR), high-reflective (HR), and other functional coatings can be applied to improve optical performance for specific wavelength ranges.
7.OEM & ODM Service
We support OEM and ODM manufacturing for industrial equipment manufacturers, optical system integrators, research laboratories, and international distributors. Our production process includes material selection, precision machining, quality inspection, and secure packaging to ensure consistent product quality and reliable delivery.
Whether you need a single prototype or large-scale production, we are committed to providing precision-manufactured quartz glass windows tailored to your application.
Designed for Demanding Optical and Industrial Applications
Thanks to their excellent optical transmission, thermal stability, and chemical resistance, Quartz Glass Windows are widely used in a variety of industries where precision and reliability are essential. Our custom quartz windows can be manufactured to meet the performance requirements of different operating environments.
Laser Systems
Quartz glass windows provide high transmission across UV, visible, and infrared wavelengths, making them suitable for laser cutting equipment, laser measurement systems, and scientific laser instruments.
Semiconductor Manufacturing
With excellent thermal stability and high purity, quartz windows are widely used in semiconductor processing equipment, vacuum chambers, and wafer fabrication systems.
Optical Instruments
Precision-polished quartz windows are ideal for spectrometers, microscopes, imaging systems, optical sensors, and other analytical instruments that require high optical clarity.
Scientific Research & Laboratories
Quartz optical windows are commonly used in laboratory equipment, environmental testing systems, spectroscopy, and scientific research applications where stable optical performance is required.
UV & IR Optical Systems
Due to their broad transmission range, quartz glass windows are suitable for ultraviolet sterilization equipment, infrared monitoring devices, UV curing systems, and optical inspection equipment.
High-Temperature Industrial Equipment
Quartz windows maintain excellent dimensional stability in high-temperature environments, making them suitable for industrial furnaces, thermal processing equipment, plasma systems, and high-temperature observation windows.
For specialized applications, we can recommend suitable material grades, dimensions, and surface finishes based on your operating conditions.
Choosing the right quartz glass manufacturer means choosing consistent quality, precision engineering, and reliable technical support. Since 2012, Vatti Glass has specialized in manufacturing custom quartz glass and other high-performance specialty glass products for customers worldwide. Backed by advanced production equipment, precision CNC machining, and strict quality control, we provide dependable glass solutions for demanding industrial and optical applications.
12+ Years of Expertise in Special Glass Manufacturing
With more than a decade of manufacturing experience, Vatti Glass has become a trusted supplier of quartz glass, fused silica glass, borosilicate glass, ceramic glass, and other specialty glass products.
Our experienced engineering team understands the performance requirements of different industries and provides professional recommendations based on your operating temperature, optical transmission, chemical resistance, and machining requirements.
Custom Quartz Glass Solutions for Your Applications
Every project is different. That's why we provide flexible custom manufacturing services to meet your exact specifications.
Our customization capabilities include:
Custom dimensions and thicknesses (1–19 mm)
Precision CNC machining
Edge grinding and polishing
Drilling, slotting, and cut-outs
Optical polishing
Custom fused silica quartz sight glass fabrication
Whether you provide technical drawings, samples, or design requirements, our production team can manufacture precision quartz glass components with excellent dimensional accuracy.
Advanced Manufacturing Equipment & Precision CNC Machining
High-quality products begin with advanced manufacturing.
Our factory is equipped with professional CNC precision machining equipment capable of producing complex quartz glass components with excellent consistency and accuracy.
Combined with skilled technicians and standardized production processes, we are able to support both prototype development and large-volume production.
Strict Quality Control for Reliable Performance
Quality is integrated into every production stage—from raw material selection to final inspection.
Each order is inspected for:
Dimensional accuracy
Surface quality
Optical clarity
Machining precision
Overall product performance
Our manufacturing system complies with international quality standards and is supported by ISO9001, CE, and CCC certifications.
Trusted by Customers in 80+ Countries
Vatti Glass supplies specialty glass products to customers across North America, Europe, Oceania, Southeast Asia, the Middle East, Africa, and South America.
Our quartz glass products are widely used in:
Semiconductor manufacturing
Petrochemical industries
Nuclear power plants
Metallurgical industries
Laboratory equipment
Optical instruments
Aerospace applications
Medical equipment
With years of export experience, we understand international packaging standards, logistics requirements, and quality expectations, ensuring smooth project delivery worldwide.
Responsive Engineering Support & Fast Global Service
From inquiry to delivery, our experienced sales and engineering teams work closely with customers to ensure every project progresses efficiently.
We provide:
Professional technical consultation
Material selection assistance
Drawing review
Free samples for selected products
Fast quotations
Worldwide shipping support
OEM & ODM manufacturing services
Our goal is to build long-term partnerships by delivering reliable products, responsive communication, and professional technical support.
1. What materials are your products made from?
Our products are manufactured using high-quality materials selected according to product specifications, application requirements, and customer needs. Material options vary depending on the specific product and project requirements.
2. Can you manufacture products based on custom drawings or samples?
Yes. We provide OEM and custom manufacturing services based on customer drawings, technical specifications, or physical samples. Our engineering team reviews every project before production to ensure the final product meets your requirements.
3. What surface treatments do you offer?
We offer various surface finishing options depending on product requirements, including polishing, anodizing, zinc plating, powder coating, sandblasting, passivation, electrophoresis, and other customized treatments.
4. How do you ensure product quality?
Quality control is implemented throughout the entire manufacturing process, from raw material inspection to production, finishing, and final inspection before shipment. Our experienced quality team helps ensure every order meets agreed specifications and industry standards.
5. What is your minimum order quantity (MOQ)?
MOQ depends on the product type, manufacturing process, and customization requirements. We evaluate each project individually and provide flexible solutions whenever possible.
6. What is your typical production lead time?
Lead time varies according to product complexity, order quantity, and production schedule. Standard orders are typically completed within the agreed production timeline, while custom projects may require additional engineering and tooling time.
7. Do you provide international shipping?
Yes. We serve customers worldwide and support multiple shipping methods, including sea freight, air freight, express delivery, and customer-designated logistics partners.
8. How can I request a quotation?
Simply send us your product drawings, specifications, dimensions, material requirements, quantities, or application details. Our team will review your request and provide a competitive quotation as quickly as possible.
