Optical Quartz Materials Market to Reach USD 195 Million by 2031 Top 10 Company Globally

Optical quartz materials most commonly high-purity fused silica and fused quartz are indispensable where extreme thermal stability, chemical inertness, and optical transmission from deep-UV to IR are required. These materials underpin photolithography optics and masks, semiconductor wafer process hardware, optical fiber preforms and components, laser windows, photonics, and precision metrology. Because they combine near-zero thermal expansion with very low inclusions and exceptional surface finish, they are mission-critical in EUV/DUV lithography optics, NIL (nanoimprint) templates, photomask substrates, and semiconductor process tubes, rings, flanges, and crucibles.

The global quartz glass/optical quartz market was valued at approximately USD 144 million in 2024 and is projected to reach about USD 195 million by 2031, implying a 4,4% CAGR until 2031. This expansion is propelled by capacity additions in advanced semiconductor nodes, AI/HPC demand (driving more lithography steps and harsher chemistries), rising fiber-optic deployment, and steady growth in precision optics and lasers.
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Latest Trends and Technological Developments
A first clear trend is the tightening link between optical quartz and AI-era semiconductors. In May 2025, TECHCET reported that quartz fabricated parts for semiconductor tools are set to grow at a ~7% CAGR through 2029 as advanced chips raise purity and durability requirements for chambers, tubes, rings, and windows. This underscores structurally rising content per wafer start.
A second development is the integration and rebranding among leaders: on January 2025, Heraeus merged Heraeus Conamic and Heraeus Comvance into a single operating company, Heraeus Covantics, to concentrate technology leadership across quartz glass and related high-performance materials; the group has also highlighted AI-enabled quality inspection to detect micro-defects in quartz glass production, piloted from early 2024.
A third notable signal for optical-grade fused silica is the progress of nanoimprint lithography, which relies on precision quartz molds/templates. On August 2025, Prinano (China) delivered its first 300 mm NIL tool using quartz templates capable of sub-10 nm features broadening specialty demand for ultra-flat, ultra-clean quartz patterns even outside leading-edge logic.
Complementing these, suppliers continue portfolio moves into adjacent high-purity silicas: Momentive Technologies acquired spherical alumina and spherical silica businesses from Sibelco on October 2024, expanding into thermal-management ceramics for EVs and AI hardware markets that share raw-material and purity know-how with fused silica. In April 2025 Tosoh Quartz received Intels 2025 EPIC Supplier Award, reflecting best-in-class performance expectations for process-critical quartz components. HOYA also kept adding specialty optical glass types through 2024, supporting photonics and precision optics customers.

Asia remains the gravitational center for optical quartz demand because it is the heartland of semiconductor wafer fabrication, display, and optics supply chains. Chinas ecosystem continues scaling in both device manufacturing and enabling equipment; the aforementioned NIL milestone in August 2025 is one example that lifts specialty quartz mold requirements. Chinese champion Hubei Feilihua has been expanding production and emphasizing quartz fiber/electronic cloth, with recent disclosures pointing to aggressive multi-year growth targets a sign of tight regional supply-demand. Japans ecosystem remains strategically vital: Shin-Etsu Quartz Products and Tosoh Quartz serve leading lithography and process-tool chains; Tosohs Intel recognition in 2025 reinforces Japans quality leadership, while Singapore and Taiwan fabs increasingly mirror Japan-proven processes that consume precision quartz at scale. Heraeus Covantics integration in 2025 also strengthens its Asian footprint and technology transfer across the region.

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Optical Quartz Materials by Type:
Natural Fused Quartz Material

Synthetic Quartz Material

Optical Quartz Materials by Application:
Lenses

Windows

Prisms

Others

Global Top 10 Key Companies in the Optical Quartz Materials Market
Hubei Feilihua Quartz Glass

Heraeus Holding

Momentive Technologies

Tosoh

Jiangsu Pacific Quartz

Hongyang Quartz

Ohara

Aura Optics Group

Hongding Quartz

QUARTECS

Regional Insights
Southeast Asia is one of the fastest-rising second-source manufacturing bases for chips, packaging, and photonics, which directly increases demand for optical quartz processware and optics. Singapore continues to expand front-end capacity and advanced packaging; UMC opened a new fab site in Singapore in April 2025, and Singapores broader push has attracted multinationals including GlobalFoundries, Micron, and others each expansion translating into more quartz tubes, rings, and windows per tool install. Malaysia, already handling roughly 13% of global OSAT, is executing a national semiconductor strategy targeting >RM500 billion investment and rolling out fresh incentives in 2025, which will add back-end and increasingly front-end steps that rely on quartz hardware. Vietnam is rapidly courting major semiconductor projects (Da Nang announced new ambitions on August 17, 2025), with Northern Vietnam already a production hub; as cleanroom clusters scale, local demand grows for photonics substrates and fused-silica components. Together, this ASEAN momentum creates a durable pull for Asia-proximate quartz suppliers and for localized service/repair of quartz parts that shorten tool downtime.
Optical Quartz Materials by Region:
North America
Europe
China
Japan
India
South East Asia

The first challenge is purity and defect control at ever-tighter geometries. As lithography migrates to more aggressive chemistries and higher photon energies, quartz must meet stricter inclusion, OH-content, bubble, and striae specifications. Leaders are deploying AI-assisted inspection to catch sub-visible defects, but continuous metrology and process discipline remain cost-intensive. The second is supply security and lead times: surges in AI/HPC and HBM packaging can strain quartz part fabrication and refurbishment capacity, leading to bottlenecks in rings, bell-jars, and tubes. Third, price volatility of high-purity sand feedstock and energy adds margin pressure. Finally, geographic concentration of key mines and melting/processing nodes introduces geopolitical and logistics risk that pushes customers to dual-source across Japan, China, Europe, and the U.S.
Vendors should deepen co-development with toolmakers and fabs in Asia and ASEAN, aligning quartz designs with chamber chemistries and cleaning cycles to extend part life and reduce particle generation. Localize repair, polishing, and rapid-swap programs in Singapore, Malaysia, and Vietnam to cut MTTR for fabs. Invest in AI-driven NDT/QA and digital twins to guarantee defect-free optical surfaces and predictable lifespan. Hedge supply by qualifying multiple feedstock sources and redundant melt lines. Finally, explore specialty growth buckets NIL templates, photomask substrates, UV-grade optics for microLED and AR devices where fused silicas performance is non-substitutable and pricing power is stronger.

Product Models
Optical quartz materials are vital in high-performance optics, prized for their exceptional clarity, thermal stability, and chemical resistance.
Natural fused quartz derived from melted high-purity natural quartz. Notable products include:
Infrasil 301/302 Heraeus: Optically clear natural quartz glass with low OH content, available striae-free for high-performance windows and lenses.
HOQ 310 Heraeus: A budget-friendly natural quartz glass made via electrical melting, ideal for frequently replaced windows.
Heraeus TSC-3® Quartz Heraeus: Flame-fused natural quartz, offered in multiple formats plates, rods, etc. known for its versatility
Transparent Quartz Flat Glass or Tubes Dumico B.V.: Natural silica glass formed into sheets, tubes, or custom shapes for high-temperature industrial applications.

Quartz Tubes for Solar Diffusion Lianyungang Donghai Hongwei Quartz Products Co., Ltd: Fused quartz tubes used in solar cell manufacturing and diffusion processes.
Synthetic quartz typically produced using vapor deposition techniques to yield ultra-pure and homogeneous fused silica. Examples include:
SUPRASIL-P248C Shin-Etsu Quartz: High-end synthetic quartz, striae-free in all directions, with outstanding transmission across a wide wavelength range.
SUPRASIL-P700 Shin-Etsu Quartz: Enhanced homogeneity vs. P248C, with improved ArF excimer laser durability.
SUPRASIL-F300 Shin-Etsu Quartz: Offers infrared transparency akin to optical fiber glass while maintaining high homogeneity.
USQ-E Series (Optical Synthetic Silica) Daico MFG: High-purity, homogeneous synthetic silica with impressive UV transparency ideal for optical lenses, prisms, and UV equipment.
UV Grade Fused Silica Windows Changchun Yutai Optics: High-purity synthetic fused silica windows with outstanding transmission from near-UV through NIR, low thermal expansion.

Optical quartz sits at the nexus of AI-era semiconductors, precision photonics, and advanced packaging. With 2024 market value around USD 144 million and a 4,4% CAGR through 2031, demand will remain structurally elevated as fabs add layers, NIL and photomask complexity increases, and ASEAN builds resilience into the global chip supply chain. Suppliers that pair ultra-high-purity melting with regionally proximate fabrication, refurbishment, and rapid-response service in Asia and Southeast Asia will outgrow the market, while laggards without QA digitization and localized support risk margin erosion and share loss.

Investor Analysis
For investors, the picks-and-shovels nature of optical quartz creates leveraged exposure to semiconductor up-cycles without full node-specific risk. The what is clear: secular AI/HPC lift and ASEAN diversification increase quartz content per toolset and per fab. The how is through vendors with (1) hardened purity/defect control and (2) localized service networks near fabs in Singapore, Malaysia, and Vietnam both are defensible moats. The why is that these characteristics translate into stickier qualifications, superior pricing power in specialty SKUs like NIL templates and photomask substrates, and recurring refurbishment revenue, cushioning cyclicality. Portfolio priorities: overweight leaders with visible Asian capex exposure, AI-enabled QA, and aftermarket networks; monitor Chinas domestic tool/template advances as both a demand catalyst and a competitive signal; and track government-backed fab expansions across ASEAN that anchor multi-year quartz demand.
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5 Reasons to Buy This Report
It provides a single, reconciled 2024 market size and defensible CAGR to 2031 grounded in multiple sources, helping you build or recalibrate models with confidence.
It translates Asia and Southeast Asia policy moves and fab expansions into clear quartz-materials demand signals you can act on.
It surfaces tangible technology catalysts from NIL template adoption to AI-assisted QA that affect mix, margins, and capacity needs.
It profiles the five most influential suppliers with current, sourced developments to inform partner or target screening.
It converts fragmented industry news into strategic and financial implications for investment and corporate planning.
5 Key Questions Answered
What is the size of the global optical quartz market in 2024, and what CAGR is reasonable to 2031 given cross-checks from independent trackers?
How do Singapore, Malaysia, and Vietnam policy incentives and fab builds translate into near-term quartz component orders and service footprints?
Which technology shifts NIL, advanced photomasks, AI-enabled inspection most materially change product mix and pricing?
Which suppliers possess the right combination of purity capability and regional service to win share as ASEAN capacity scales?
What risk factors feedstock purity, lead-time spikes, geopolitics should investors and operators hedge in 20242031 planning?
Chapter Outline
Chapter 1: Introduces the report scope of the report, executive summary of different market segments (by region, product type, application, etc), including the market size of each market segment, future development potential, and so on. It offers a high-level view of the current state of the market and its likely evolution in the short to mid-term, and long term.
Chapter 2: key insights, key emerging trends, etc.
Chapter 3: Manufacturers competitive analysis, detailed analysis of the product manufacturers competitive landscape, price, sales and revenue market share, latest development plan, merger, and acquisition information, etc.
Chapter 4: Provides profiles of key players, introducing the basic situation of the main companies in the market in detail, including product sales, revenue, price, gross margin, product introduction, recent development, etc.
Chapter 5 & 6: Sales, revenue of the product in regional level and country level. It provides a quantitative analysis of the market size and development potential of each region and its main countries and introduces the market development, future development prospects, market space, and market size of each country in the world.
Chapter 7: Provides the analysis of various market segments by Type, covering the market size and development potential of each market segment, to help readers find the blue ocean market in different market segments.
Chapter 8: Provides the analysis of various market segments by Application, covering the market size and development potential of each market segment, to help readers find the blue ocean market in different downstream markets.
Chapter 9: Analysis of industrial chain, including the upstream and downstream of the industry.
Chapter 10: The main points and conclusions of the report.

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