Dongguan Felix Glass Co., Ltd. E-mail: james@felixglass.com - Tel: +86 185 6503 2888
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BK7 & K9 Optical Glass With Professional AR Coating Service

Apr 24,2026
BK7 and K9 optical glass are the most widely used optical base materials in the global optical industry, renowned for their excellent light transmittance, stable physical and chemical properties, and outstanding processing adaptability. At Felix Glass, we specialize in providing standardized and customized BK7 & K9 glass sheets, plano lenses, shaped blanks, and precision-machined components, supported by mature processing technology and strict quality control systems.

Our factory offers professional anti-reflective (AR) coating treatment on optical glass surfaces, which effectively reduces unwanted light reflection, significantly improves light transmission rate, and optimizes optical imaging effects for various applications. From strict raw material screening, precision cutting, CNC machining, to surface polishing and final coating, every step of our production flow is carried out under rigorous standards to ensure that each glass part meets industrial optical application specifications.

We support custom production of BK7 & K9 optical glass in various sizes, thicknesses, and shapes, tailored to your specific design requirements. With stable batch quality, reasonable pricing, and reliable lead times, our optical glass products have been long-term exported to optical instrument manufacturers, industrial equipment producers, and research institutions worldwide.

In addition to BK7 and K9 glass, we also provide a full range of optical processing services, including surface grinding, polishing, coating, and optical component assembly, to help customers reduce procurement costs and shorten the production cycle. Whether you need a small batch of prototypes or large-scale mass production, our professional engineering team can provide you with one-stop solutions, from drawing review to final product delivery.

With years of experience in the optical glass industry, we understand the importance of quality and consistency for optical applications. All our BK7 and K9 optical glass products are tested for optical performance, surface quality, and dimensional accuracy before shipment, ensuring they meet the strictest industry standards. Choose Felix Glass as your reliable partner for high-quality BK7 & K9 optical glass with professional AR coating services, and let us support your projects with our expertise and dedication.
James Fu, Sales Director of FELIX OPTICAL GLASS, and a poster displaying contact information for an optical glass deep-processing factory.James Fu, Sales Director of FELIX OPTICAL GLASS, and a poster displaying contact information for an optical glass deep-processing factory. 2
Learn more from our FAQ
What is the minimum order quantity for custom precision optical glass components?

FELIX OPTICAL GLASS offers highly flexible MOQs to support customer projects, including prototype testing, small-batch trial orders, and high-volume production. All products can be fully customized to your drawings, tolerances, and application standards. Please send us your specifications, and we will reply within 1-5 hours and provide an accurate quotation after careful evaluation within 1-2 days.

Can I get free glass samples for testing before bulk order?

Yes, our FELIX GLASS factory supports sample testing for a wide range of precision optical glass components and assemblies. The lead time for sample production is 3 to 7 working days. Please contact us today to arrange samples and obtain a customized solution that meets your needs.

What is the production lead time for custom optical glass components?

A: The production cycle for standard samples is 3-10 working days, while mass production requires 15-35 working days, depending on the complexity of the product and the order quantity. We provide reliable precision optical glass components and fast delivery services for orders from industries such as defense, industrial equipment, medical devices, shipbuilding, robotics, automotive, and aerospace. Please submit your project details so we can provide you with an accurate delivery schedule.

Are your optical glass products ISO, CE and RoHS certified?

All precision optical glass components from FELIX OPTICAL GLASS comply with ISO quality system standards as well as CE and RoHS requirements. We provide comprehensive test reports, spectral graphs, material certificates, and inspection documents for customer review. Please feel free to request complete certification details and a formal quotation at any time.

Do you offer one-stop custom optical glass processing services?

Yes. We offer a full range of precision optical glass component processing services, including CNC machining, precision grinding, optical polishing, chemical/physical tempering, vacuum coating (AR anti-reflective coating, AF anti-fingerprint coating, AG anti-glare coating, IR infrared coating), and screen printing. From raw materials to finished products, every step is completed in our own factory. Please tell us your needs, and we will provide you with the most cost-effective solution.

CONTACT US NOW FOR A QUOTE
Send an inquiry now—we'll reply promptly within 1-5 hours and provide the best formal quote within 1-2 days! Let's start building a mutually beneficial partnership…
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With 19 years of experience as a precision optical glass expert, we provide comprehensive and satisfactory customized solutions.

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