Name

Heraeus Covantics

Legal name

Heraeus Quarzglas GmbH & Co. KG

Website

https://heraeus-covantics.com

Company type

Private

Founded year

2025

Operating status

Operating

Headcount range

1,001–5,000 employees

Ownership category

akta.pro rank

Product category

High-Purity Quartz Glass and Optical Fiber Materials

NAICS

Glass and Glass Product Manufacturing (32721), Other Pressed and Blown Glass and Glassware Manufacturing (327212)

SIC

Glass & Glassware, Pressed Or Blown (3220)

akta.pro primary industry

Silica (Quartz, Fumed, Precipitated) (IMAEAFAD)

akta.pro secondary industries

Optoelectronics & Photonics (LED/Laser/Optical ICs) (HDAHAAAH), Photomask Blanks, Masks & Reticles (Quartz/PELlicles) (HDAHAGAD)

Keywords

• High-purity fused silica
• Quartz glass manufacturing
• Optical fiber preforms
• Photonics industry materials
• Semiconductor quartz components

Headquarters

HQ city

Hanau

HQ country

Germany

HQ region

Europe

Offices13 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Operations, Supply Chain, Infrastructure, Personnel

Revenue model

1. Quartz Glass Materials Sales: Sale of high-purity quartz glass materials including fused silica, natural quartz, and synthetic quartz glass in various forms (tubes, rods, plates, preforms) for industrial applications.
2. Optical Fiber Products: Production and sale of specialty optical fibers, telecom fibers, and fiber preforms for telecommunications, medical, and industrial laser applications.
3. Custom Manufacturing Services: Custom quartz glass manufacturing, cladding services for specialty fibers, metrology and analytical services, and refurbishment/repair services.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Heraeus Covantics manufactures high-purity quartz glass (fused silica) materials in various forms including tubes, rods, plates, and preforms, along with specialty optical fibers for telecommunications, laser delivery, and data center applications. The company sells its materials under multiple branded product lines organized around three market segments: Photonics, Semiconductor, and Telecommunication, while also serving nuclear fusion research and medical laser industries. It supplements product sales with custom manufacturing, design and technical support, cladding services for specialty fibers, metrology and analytical services, and refurbishment services.

Product overview

Heraeus Covantics is a technology leader manufacturing high-purity quartz glass and advanced materials for custom-tailored solutions. The company operates as a unified portfolio of brands and services organized around three core market segments: Photonics (fused silica for laser optics, medical laser systems, and specialty fiber applications under brands including Suprasil, Fluosil, Heralux, HLQ, Infrasil, Nerasil, Purasil V, and Vitreosil), Semiconductor (quartz products in various grades and dimensions under brands including Black Quartz HBQ, HSQ, Neonyx, and Opaque Quartz OM), and Telecommunication (optical fiber and telecom applications under brands including Pandia and Supuria). The product portfolio also includes specialized solutions for nuclear fusion research. Supporting the product lines, Heraeus Covantics offers comprehensive services including design and technical support, cladding services for specialty fibers, custom quartz glass manufacturing, metrology and analytical services, quartz surface treatments, quality control, and refurbishment and repair services. The company also provides digital tools including a Part Number Finder and Transmission Calculator for customers.

Differentiator

Problem solved

Functional benefit

Brands

• Suprasil: Synthetic fused silica brand for photonics applications
• Fluosil
• Heralux
• HLQ
• Infrasil
• Nerasil
• Purasil V
• Vitreosil
• Black Quartz HBQ
• HSQ
• Neonyx
• Opaque Quartz OM
• Pandia
• Supuria

Products and services

• Suprasil Synthetic Fused Silica Brand of synthetic fused silica products for photonics applications including laser optics and nuclear fusion. Synthetic fused silica with metallic impurity levels below 1ppm.
• Fluosil Fused Silica Brand of fused silica products for photonics applications.
• Heralux Fused Silica Brand of fused silica products for photonics applications.
• HLQ Fused Silica Brand of fused silica products for photonics applications.
• Infrasil Fused Silica Brand of fused silica products for photonics applications, particularly suited for infrared applications.
• Nerasil Fused Silica Brand of fused silica products for photonics applications.
• Purasil V Fused Silica Brand of fused silica products for photonics applications.
• Vitreosil Fused Silica Brand of fused silica products for photonics applications.
• Black Quartz HBQ Black quartz brand for semiconductor applications.
• HSQ High-Purity Synthetic Quartz High-purity quartz brand for semiconductor applications.
• Neonyx Quartz Brand of quartz products for semiconductor applications.
• Opaque Quartz OM Opaque quartz brand for semiconductor applications, used as thermal barrier or for diffuse IR radiation scattering.
• Pandia Specialty Fibers Brand for telecommunication applications, specialty optical fibers for telecom and laser delivery.
• Supuria Specialty Fibers Brand for telecommunication applications, specialty optical fibers.
• Optical Fiber Products Optical fiber products for telecom applications and specialty fiber solutions including multicore fiber (MCF) and hollow core fiber (HCF). Includes fibers produced via the proprietary RIC process enabling world's largest preforms.
• Suprasil SmartPlate Synthetic fused silica large-format optics optimized for laser-driven nuclear fusion and high-energy photonics applications.
• Custom Quartz Glass Manufacturing Custom manufacturing services for quartz glass products tailored to customer specifications.
• Design and Technical Support Design and technical support services for customer applications involving quartz glass and specialty fibers.
• Cladding Service for Specialty Fibers Cladding services for specialty fiber manufacturing.
• Metrology and Analytical Services Measurement and analytical testing services for quartz glass materials.
• Quartz Surface Treatments Surface treatment services for quartz glass products.
• Refurbishment and Repair Services Refurbishment and repair services for quartz glass components.

Quantifiable outcome

• Over 7,000km of singlemode fiber can be drawn from a single RIC® preform (200mm diameter, 3m length)
• +1 more outcomes

Named customers2 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Four partnerships are on record, tiered core.

• PriFUSIO Initiative PartnerscoreStrategic or Co-development Partner · 12 September 2025Collaborative initiative for developing scalable manufacturing processes for large-format optics as part of the PriFUSIO project, supporting the advancement of laser-based nuclear fusion energy technology.
• German Federal Ministry of Education and Research (PriFUSIO Initiative)coreStrategic or Co-development Partner · 13 March 2025Heraeus Covantics participates in the PriFUSIO project, funded by the German Federal Ministry of Education and Research, focused on developing scalable manufacturing processes for large-format optics for laser-based nuclear fusion. The project has demonstrated initial success in optimizing materials for fusion applications.
• Microsoft AzurecoreStrategic or Co-development Partner · 1 January 2025Strategic collaboration to scale breakthrough Hollow Core Fiber (HCF) technology for the AI era. Microsoft Azure brings vision for next-generation digital infrastructure while Heraeus Covantics contributes materials science expertise and industrial-scale manufacturing capabilities. The partnership aims to meet global scale demands for faster, more reliable, and higher-capacity networks driven by AI and cloud computing.
• ISCTE (University Institute of Lisbon)coreStrategic or Co-development PartnerCollaboration on LUMIRing project - Europe's largest multicore fiber (MCF) testbed. Heraeus Covantics delivered key technology for a 26km cable ring installed in a tunnel of the Lisbon Metro. The project enables research and industry to validate next-generation optical communication systems under real-world conditions.

Scale indicators2 records

Recent moves8 records

Expansion highlights6 records

Broad incumbents

• Schott AG: German specialty glass manufacturer with comparable heritage and product breadth in technical glasses, including fused silica for optics, semiconductor, and pharmaceutical applications. Comparable European heritage and customer base in advanced materials.
• Corning Incorporated: Major diversified specialty glass manufacturer with a large optical fiber and telecommunications business, comparable to Heraeus Covantics' telecom fiber segment. Operates at much larger scale across multiple glass categories including Gorilla Glass, optical communications, and life sciences.
• AGC Inc (Asahi Glass Company): Large Japanese specialty glass manufacturer producing fused silica, optical glass, and electronic materials. Comparable in scale and product breadth for high-purity glass components serving semiconductor and optics end markets.
• Coherent Corp (formerly II-VI): Large diversified photonics and materials company producing optical components, laser systems, and specialty materials for semiconductor, communications, and industrial markets. Overlaps with Heraeus Covantics in photonics materials and laser optics supply chains.

Direct peers

• Furukawa Electric: Leading Japanese optical fiber and specialty fiber manufacturer with comparable telecom and specialty fiber product lines to Heraeus Covantics' Pandia and Supuria brands. Competes directly in MCF and HCF development.
• QSIL AG: German specialty quartz glass manufacturer producing tubes, rods, plates, and engineered quartz components for semiconductor, lighting, and photonics applications. Closest European-headquartered direct competitor to Heraeus Covantics in fused silica components.
• Momentive Technologies: Direct competitor in high-purity fused silica crucibles, tubes, and quartz components for semiconductor and lighting applications. Spun off from GE Advanced Materials and is one of the few global suppliers of ultra-pure quartz products comparable to Heraeus Covantics.
• Shin-Etsu Chemical (Quartz Division): One of the largest global producers of synthetic fused silica for semiconductor and optical applications. Joint venture partner of Heraeus in Japan (Shin-Etsu Quartz Prod. Co., Ltd.) and a direct competitor in synthetic quartz glass for wafer processing and photonics.
• Sumitomo Electric Industries: Major Japanese manufacturer of optical fibers, specialty fibers, and photonics materials. Direct competitor in telecom-grade optical fiber and preform manufacturing, with comparable R&D focus on next-generation fiber technologies.

Emerging players

• Edmund Optics: Manufacturer and distributor of optical components including lenses, filters, and assemblies. Adjacent rather than direct competitor — uses high-purity fused silica as an input — but operates in the same photonics customer ecosystem and competes for some specialty optics applications.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/heraeus-covantics

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Heraeus Covantics