How to select the suitable quartz glass grade for projects?The core of selection is to combine the working spectral band and actual working environment. If your project focuses on deep ultraviolet transmission such as UV lithography and ultraviolet detection, JGS1 is the preferred option. For conventional visible light and near-ultraviolet optical equipment, JGS2 can fully meet the requirements. I...

Q6: What purity grades of quartz glass can you supply?A: We provide quartz glass with three different purity levels to match different industry standards and usage requirements. The general industrial grade has a silica content of no less than 99.95%, which meets the demands of conventional high-temperature equipment and ordinary industrial observation windows. The semiconductor grade is the highe...

A: Thermal performance is one of the core advantages of quartz glass. For high-grade synthetic quartz glass, the long-term safe continuous working temperature is 1100°C to 1200°C. In short-time working conditions, it can bear a maximum temperature up to 1300°C. Apart from high temperature resistance, its thermal shock resistance is also outstanding. The qualified products can endure rapid heating ...

A1: They are standard optical quartz grades. JGS1 for deep UV, JGS2 for conventional UV & visible light, JGS3 for infrared applications. ：Optical Quartz Grades JGS1 JGS2 JGS3Detailed Explanation JGS1, JGS2 and JGS3 are internationally recognized standard grades for optical fused quartz glass, classified mainly by spectral transmittance range and hydroxyl (OH) content. Each grade is engineered for ...

Product Classifications & JGS Optical GradesQ4: How many types of quartz glass are there? What are JGS1, JGS2 and JGS3?A: Quartz glass has two mainstream classification methods, divided by manufacturing process and optical grade respectively. Classified by production craft, there are four main categories. Synthetic fused silica features ultra-high purity for high-end optics and semiconductors. Ele...

Q3: What fundamental differences exist between quartz glass and common soda-lime glass?A: Ordinary soda-lime glass is the most common glass for daily use, while quartz glass belongs to high-performance special glass. The gaps between them are reflected in composition, heat resistance, optical performance, chemical stability and production process. In terms of chemical composition, ordinary glass c...

Q2: What is the difference between fused silica and fused quartz?A: These two names are frequently used interchangeably in the industry, but they are distinguished by raw materials, production technology, internal composition and practical performance, and are suitable for completely different application scenarios.AspectFused Silica (Synthetic)Fused Quartz (Natural)Raw MaterialMade from synthetic...

A: Quartz glass, also universally known as fused silica or fused quartz, is a special amorphous inorganic glass material produced by melting high-purity silica raw materials at an ultra-high temperature above 2000 degrees Celsius. Its main chemical composition is silicon dioxide, with the content reaching no less than 99.95%. Different from traditional crystalline quartz, it has no fixed crystal s...

Yes, we provide full custom optical manufacturing services including CNC machining, optical polishing, drawing review, and prototyping. We support OEM and ODM projects from design optimization to mass production, ensuring precise tolerance control and consistent quality.We offer professional custom optical manufacturing solutions for global clients seeking high-precision optical components, includ...

AR coatings reduce surface reflection and increase light transmission. AG coatings diffuse reflected light to reduce glare, improving readability under strong lighting. AF coatings create a hydrophobic surface that resists fingerprints, oil, and contamination. These coatings are often combined for enhanced performance.Professional optical coatings including AR coating, AG coating, and AF coating a...

Display cover glass can be treated with AR (anti-reflective), AG (anti-glare), and AF (anti-fingerprint) coatings. These coatings improve visibility, reduce reflections, and prevent surface contamination, making them ideal for industrial, medical, and outdoor display applications.High-quality display cover glass can be professionally enhanced with multi-functional optical coatings, including AR an...

Sapphire optical domes are used in aerospace and surveillance systems due to their exceptional hardness, scratch resistance, and optical clarity. They protect sensitive optical systems in harsh environments such as high pressure, high temperature, and outdoor exposure while maintaining excellent infrared transmission.Sapphire optical domes are premium-grade precision optical components widely adop...

Optical material selection depends on wavelength range, thermal resistance, and application environment. BK7 is commonly used for visible optics, fused silica performs well in UV and high-temperature environments, sapphire offers extreme hardness and durability, while ZnSe and ZnS are ideal for infrared applications. Proper selection ensures optimal transmission and system perf...

Felix Glass is a professional manufacturer specializing in custom optical glass components and precision optical engineering solutions. We provide OEM and ODM services for global industrial clients requiring high-performance optical systems.Our core product portfolio includes optical lenses (plano-convex, aspheric, cylindrical), precision optical prisms, sapphire and infrared optical domes, bandpa...

As a reliable optical glass supplier, we understand the importance of on-time delivery for your projects, and we offer flexible lead times and shipping terms to meet your requirements. Lead Times: - Standard Products: For our in-stock optical glass domes, lenses and windows, we typically ship within 7-15 working days after order confirmation and payment.- Custom Orders: Lead times for custom optic...

Absolutely. As a customer-centric optical glass supplier, we specialize in providing turnkey OEM and ODM custom optical glass solutions for global optical equipment manufacturers, engineering companies and research institutions. Our custom service process includes: 1. Requirement Consultation: Our optical engineering team works closely with you to understand your application, performance requireme...

Yes, Felix Glass is an ISO 9001:2015 certified optical glass supplier, committed to delivering consistent, high-quality optical products to our customers worldwide. Our ISO certification means that every stage of our manufacturing process adheres to internationally recognized quality management standards: 1. Raw Material Control: We only source optical-grade raw materials from qualified suppliers,...

As a leading optical glass supplier with over years of manufacturing experience, Felix Glass offers a comprehensive portfolio of high-precision optical components tailored to meet the diverse needs of global industries. Our core product range includes: - Optical domes: Precision domes made from BK7/K9 glass, sapphire and fused silica, with custom sizes, coatings and tolerances for surveillance, un...

Our optical domes are designed with hierarchical scratch resistance solutions according to different application environments, meeting the wear and impact protection needs of various harsh scenarios. Sapphire optical domes are the highest grade in scratch resistance, with Mohs hardness up to 9, second only to diamond. It has super strong anti-scratch, anti-abrasion, high temperature resistance and...

Yes, we are a professional manufacturer fully capable of providing full-size and full-parameter customized optical domes for global customers, covering prototype small-batch trial production to large-scale mass stable supply. We can customize all core parameters of optical domes, including outer diameter, inner diameter, uniform or tapered wall thickness, spherical curvature radius and concentrici...

There are essential differences in raw material composition, production process, optical performance and application scenarios between professional optical domes and ordinary glass. Ordinary glass mostly adopts common soda-lime raw materials, containing a large number of internal impurities, bubbles, stripes and uneven material density. Its light transmittance is low, optical distortion is serious...

Our optical components are widely used in medical devices, aerospace systems, automotive sensors, laser equipment, machine vision systems, and scientific instruments. Each application requires specific material and coating configurations to ensure optimal performance.Our custom precision optical components are extensively engineered and supplied for diversified high-end industries, covering medica...

At Felix Glass, quality and precision are the cornerstones of every optical glass dome we produce. We adhere to strict manufacturing and inspection standards to ensure your domes meet or exceed your specifications.**Dimensional Tolerances:**We achieve extremely tight tolerances on all critical parameters:- **Diameter Tolerance:** ±0.01 mm or better- **Thickness Tolerance:** ±0.005 mm- **Radius of ...

Our optical glass domes are engineered to meet the demanding needs of a diverse range of industries and applications where optical clarity, environmental protection, and structural integrity are non-negotiable.**1. Surveillance & Security Systems**Our domes are widely used in high-speed PTZ (pan-tilt-zoom) cameras, fixed surveillance cameras, and traffic monitoring systems. They protect sensitive ...

Absolutely. At Felix Glass, we specialize in custom optical glass domes tailored to your exact project requirements, from initial design to final delivery.**Custom Size & Geometry:**We manufacture domes in a wide range of sizes, from small miniature domes for compact sensors to large-diameter domes for industrial and aerospace applications. We can produce domes with custom:- Outer and inner diamet...

At Felix Glass, we manufacture optical glass domes using three primary high-performance materials, each chosen for its unique optical and mechanical properties:1. **BK7 / K9 Optical Glass** This is our most widely used material for standard optical glass domes. BK7/K9 offers exceptional visible light transmission (over 91% across the visible spectrum), low thermal expansion, and excellent homo...

Yes, at Felix Glass, we can provide detailed test reports for all BK7 and K9 optical glass products, giving you full visibility into the quality and performance of your order.Our test reports include comprehensive information about the parts, including dimensional specifications, surface quality inspection results, and optical performance test data.For standard optical glass parts, we provide a ba...

At Felix Glass, we follow strict quality control standards for all BK7 and K9 optical glass products to ensure consistent quality and reliable performance for our customers. Our quality control process covers every stage of production, from raw material inspection to final product testing.Our quality control standards are based on international specifications, including ISO and DIN standards for o...

At Felix Glass, we offer a comprehensive range of anti-reflective (AR) coating services for BK7 and K9 optical glass parts, tailored to meet the specific wavelength and performance requirements of your applications.Our AR coating services include both single-layer and multi-layer coatings for different spectrums, including visible light (VIS), near-infrared (NIR), and ultraviolet (UV). Single-laye...

At Felix Glass, we provide a full range of processing services for BK7 and K9 optical glass, from initial material preparation to final product delivery, to meet the diverse needs of our customers.Our processing services start with material cutting, where we use precision diamond cutting equipment to cut BK7 and K9 glass into the required size and shape. This process ensures clean edges and minima...

At Felix Glass, we maintain strict processing tolerances for all BK7 and K9 optical glass parts to ensure consistent quality and performance for your applications. Our tolerance standards cover three key areas: dimensional accuracy, surface quality, and optical performance.For dimensional accuracy, we can achieve a typical tolerance of ±0.01mm for most standard optical glass parts. For high-precis...

Our custom precision optical components are extensively engineered and supplied for diversified high-end industries, covering medical diagnostic devices, aerospace optoelectronic systems, automotive LiDAR & optical sensors, industrial laser processing equipment, automated machine vision systems, and laboratory-grade scientific measuring instruments globally. Every industry field poses distinct wor...

BK7 and K9 optical glass are versatile materials suitable for a wide range of optical applications, thanks to their excellent optical properties, stability and machinability.One of the most common applications of BK7 and K9 optical glass is in optical instruments such as cameras, microscopes, telescopes and binoculars. In cameras, they are used to make lenses that capture clear and sharp images. I...

BK7 and K9 optical glass are the most popular choices in the optical industry, thanks to a range of key advantages that make them suitable for countless applications worldwide.First and foremost, they feature excellent optical clarity with a visible light transmittance of over 91%, which ensures that light passes through the material with minimal loss. This high transmittance is critical for appli...

BK7 and K9 are the two most widely used optical glass materials in the global optical industry, often seen as interchangeable alternatives. Many customers ask about their differences, so let’s break down the key similarities and distinctions clearly.BK7, also known as borosilicate crown glass, is a European standard optical glass defined by ISO and DIN specifications. It is manufactured under stri...

At Felix Glass, we understand that fast and accurate quotation is critical for your project timelines and procurement plans, especially when you have urgent orders, tight deadlines, or time-sensitive product development needs. We have established a dedicated priority quotation process to ensure you get a detailed, professional quote in the fastest possible time, without compromising on accuracy or...

At FELIX GLASS, we offer a variety of flexible, secure, and internationally recognized payment terms to meet the different needs of our global customers, ensuring safe, transparent, and smooth transactions for both parties. We understand that payment terms are a critical part of international trade, and we are committed to providing our customers with reliable, mutually beneficial payment solution...

A:We implement premium industrial-grade multi-layer packaging solutions for all precision optical glass components, including BK7 optical glass, fused silica windows, sapphire optical domes, AR/AG/AF coated display cover glass, and ZnSe/ZnS infrared optical parts. All packaging procedures adopt professional shock-resistant, anti-static, and dustproof materials exclusively customized for high-preci...

A:We adopt flexible minimum order quantity tailored for custom optical components including BK7 glass, fused silica windows, sapphire domes, coated cover glass and ZnSe/ZnS infrared optics, with no rigid fixed MOQ restriction to satisfy customers’ different procurement phases. For standard in-stock optical parts, small-quantity trial orders are fully acceptable; for OEM & ODM customized optics req...

At FELIX GLASS, we know that the success rate of sample production is critical to your product development and mass production plans. A successful sample not only verifies product quality and performance but also lays the foundation for smooth mass production. Based on our years of experience in optical glass manufacturing, we have summarized the following key tips to help you increase the success...