The s-grade high-strength glass fiber market size is expected to see strong growth in the next few years. It will grow to $4.77 billion in 2030 at a compound annual growth rate (CAGR) of 7.6%. The growth in the forecast period can be attributed to electric vehicle lightweighting demand, aerospace production growth, renewable energy applications, advanced composite adoption, expansion of high strength fiber research. Major trends in the forecast period include rising demand from aerospace structures, increasing use in lightweight automotive components, growth in high performance composite materials, expansion of advanced manufacturing techniques, focus on fatigue and corrosion resistance.
The rising pace of infrastructure development is expected to drive the growth of the S-grade high-strength glass fiber market in the coming years. The increase in infrastructure development is driven by accelerating urbanization and the need to enhance transportation networks, housing, and public services to support growing populations. S-grade high-strength glass fiber, commonly referred to as S-glass (or S-2 glass in the United States), is a specialized glass fiber that offers superior mechanical performance compared to conventional E-glass (electrical-grade glass fiber). It exhibits higher tensile strength, improved thermal stability, and enhanced fatigue resistance, making it particularly valuable for infrastructure-related applications. For instance, in July 2024, according to the Office for National Statistics, a UK-based government department, infrastructure investment reached $17.25 billion (£13.8 billion) in constant prices in 2023, representing a 3.9% increase compared with 2022. Therefore, the expansion of infrastructure development is fueling the growth of the S-grade high-strength glass fiber market.
The growth of the automotive sector is also expected to boost the S-grade high-strength glass fiber market in the coming years. This sector involves the design, development, manufacturing, marketing, and sales of motor vehicles and related components. The automotive industry is expanding due to rising consumer demand for electric vehicles, which is driven by increasing environmental awareness and government incentives promoting sustainable transportation. S-grade high-strength glass fiber (commonly referred to as S-glass or S-2 glass) is widely used in the automotive industry to improve structural performance, safety, and durability while reducing weight. Compared to standard E-glass, it offers superior tensile strength, stiffness, impact resistance, and thermal stability. For instance, according to the European Automobile Manufacturers Association in January 2025, new car registrations across the European Union increased by 5.1% in 2024, with Spain experiencing a strong growth of 28.8%, while France saw a smaller rise of 1.5%. Consequently, the expanding automotive sector will contribute to the growth of the S-grade high-strength glass fiber market.
Leading companies in the S-grade high-strength glass fiber market are developing advanced products such as rovings, which allow precise control of fiber orientation in composite manufacturing. Rovings consist of bundles of continuous glass fibers used as reinforcement in composites. For example, in April 2025, AGY Holdings Corp., a U.S.-based supplier of high-performance glass fibers, introduced a new lightweight single-end S2 Glass roving. This product offers exceptional strength, stiffness, and impact resistance, making it suitable for advanced composite applications where weight and durability are critical. Its design enables the production of thinner, lighter laminates while delivering superior mechanical properties compared to traditional rovings. The material enhances ballistic protection and impact absorption and improves radar transparency due to a lower dielectric constant. Additionally, it supports higher operating temperatures, better fatigue resistance, and integrates seamlessly into existing manufacturing processes through advanced fiber-matrix bonding technology.
Major companies operating in the s-grade high-strength glass fiber market are Owens Corning, PPG Industries Inc., Nippon Electric Glass Co., Ltd., Nitto Boseki Co., Ltd., Johns Manville, Saint-Gobain, AGC Inc. (Asahi Glass Company), China Jushi Co., Ltd., Taishan Fiberglass Inc., Chongqing Polycomp International Corp. (CPIC), Taiwan Glass Ind. Corp., Binani Industries Ltd., Jiangsu Changhai Composite Materials Co., Ltd., Sichuan Weibo New Material Group Co., Ltd., Zhejiang Honghe Glass Fiber Co., Ltd., Shandong Fiberglass Group Co., Ltd., Nanjing Fiberglass Research & Design Institute Co., Ltd., Chongqing International Composite Materials Co., Ltd., Sinoma Science & Technology Co., Ltd., Shandong Taishan Ruifeng Composite Materials Co., Ltd.
North America was the largest region in the s-grade high-strength glass fiber market in 2025. Asia-Pacific is expected to be the fastest-growing region in the forecast period. The regions covered in the s-grade high-strength glass fiber market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in the s-grade high-strength glass fiber market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.
The s-grade high-strength glass fiber market consists of sales of unidirectional tapes, prepregs, mats, and multiaxial fabrics. Values in this market are ‘factory gate’ values, that is the value of goods sold by the manufacturers or creators of the goods, whether to other entities (including downstream manufacturers, wholesalers, distributors and retailers) or directly to end customers. The value of goods in this market includes related services sold by the creators of the goods.
The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified).
The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.
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Table of Contents
Executive Summary
S-Grade High-Strength Glass Fiber Market Global Report 2026 provides strategists, marketers and senior management with the critical information they need to assess the market.This report focuses s-grade high-strength glass fiber market which is experiencing strong growth. The report gives a guide to the trends which will be shaping the market over the next ten years and beyond.
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Description
Where is the largest and fastest growing market for s-grade high-strength glass fiber? How does the market relate to the overall economy, demography and other similar markets? What forces will shape the market going forward, including technological disruption, regulatory shifts, and changing consumer preferences? The s-grade high-strength glass fiber market global report answers all these questions and many more.The report covers market characteristics, size and growth, segmentation, regional and country breakdowns, total addressable market (TAM), market attractiveness score (MAS), competitive landscape, market shares, company scoring matrix, trends and strategies for this market. It traces the market’s historic and forecast market growth by geography.
- The market characteristics section of the report defines and explains the market. This section also examines key products and services offered in the market, evaluates brand-level differentiation, compares product features, and highlights major innovation and product development trends.
- The supply chain analysis section provides an overview of the entire value chain, including key raw materials, resources, and supplier analysis. It also provides a list competitor at each level of the supply chain.
- The updated trends and strategies section analyses the shape of the market as it evolves and highlights emerging technology trends such as digital transformation, automation, sustainability initiatives, and AI-driven innovation. It suggests how companies can leverage these advancements to strengthen their market position and achieve competitive differentiation.
- The regulatory and investment landscape section provides an overview of the key regulatory frameworks, regularity bodies, associations, and government policies influencing the market. It also examines major investment flows, incentives, and funding trends shaping industry growth and innovation.
- The market size section gives the market size ($b) covering both the historic growth of the market, and forecasting its development.
- The forecasts are made after considering the major factors currently impacting the market. These include the technological advancements such as AI and automation, Russia-Ukraine war, trade tariffs (government-imposed import/export duties), elevated inflation and interest rates.
- The total addressable market (TAM) analysis section defines and estimates the market potential compares it with the current market size, and provides strategic insights and growth opportunities based on this evaluation.
- The market attractiveness scoring section evaluates the market based on a quantitative scoring framework that considers growth potential, competitive dynamics, strategic fit, and risk profile. It also provides interpretive insights and strategic implications for decision-makers.
- Market segmentations break down the market into sub markets.
- The regional and country breakdowns section gives an analysis of the market in each geography and the size of the market by geography and compares their historic and forecast growth.
- Expanded geographical coverage includes Taiwan and Southeast Asia, reflecting recent supply chain realignments and manufacturing shifts in the region. This section analyzes how these markets are becoming increasingly important hubs in the global value chain.
- The competitive landscape chapter gives a description of the competitive nature of the market, market shares, and a description of the leading companies. Key financial deals which have shaped the market in recent years are identified.
- The company scoring matrix section evaluates and ranks leading companies based on a multi-parameter framework that includes market share or revenues, product innovation, and brand recognition.
Report Scope
Markets Covered:
1) By Type: Continuous Fiber; Chopped Fiber; Specialty S-Grade Fiber2) By Manufacturing Process: Direct Melt Process; Advanced Specialty Melt Processes
3) By End-Use Industry: Aerospace; Automotive; Industrial & Energy; Sporting & Performance Equipment
Subsegments:
1) By Continuous Fiber: Single-End Rovings; Multi-End Rovings; Woven Roving; Woven Fabrics; Unidirectional (UD) Fabrics2) By Chopped Fiber: Precision-Length Chopped Strands; Short Chopped Strands
3) By Specialty Fiber: S-Grade Glass Fiber Yarns; S-Grade Glass Fiber Tows; High-Modulus Glass Fibers; Aerospace-Grade Specialty Glass Fibers
Companies Mentioned: Owens Corning; PPG Industries Inc.; Nippon Electric Glass Co., Ltd.; Nitto Boseki Co., Ltd.; Johns Manville; Saint-Gobain; AGC Inc. (Asahi Glass Company); China Jushi Co., Ltd.; Taishan Fiberglass Inc.; Chongqing Polycomp International Corp. (CPIC); Taiwan Glass Ind. Corp.; Binani Industries Ltd.; Jiangsu Changhai Composite Materials Co., Ltd.; Sichuan Weibo New Material Group Co., Ltd.; Zhejiang Honghe Glass Fiber Co., Ltd.; Shandong Fiberglass Group Co., Ltd.; Nanjing Fiberglass Research & Design Institute Co., Ltd.; Chongqing International Composite Materials Co., Ltd.; Sinoma Science & Technology Co., Ltd.; Shandong Taishan Ruifeng Composite Materials Co., Ltd.
Countries: Australia; Brazil; China; France; Germany; India; Indonesia; Japan; Taiwan; Russia; South Korea; UK; USA; Canada; Italy; Spain
Regions: Asia-Pacific; South East Asia; Western Europe; Eastern Europe; North America; South America; Middle East; Africa
Time Series: Five years historic and ten years forecast.
Data: Ratios of market size and growth to related markets, GDP proportions, expenditure per capita.
Data Segmentation: Country and regional historic and forecast data, market share of competitors, market segments.
Sourcing and Referencing: Data and analysis throughout the report is sourced using end notes.
Delivery Format: Word, PDF or Interactive Report + Excel Dashboard
Added Benefits:
- Bi-Annual Data Update
- Customisation
- Expert Consultant Support
Companies Mentioned
The companies featured in this S-Grade High-Strength Glass Fiber market report include:- Owens Corning
- PPG Industries Inc.
- Nippon Electric Glass Co., Ltd.
- Nitto Boseki Co., Ltd.
- Johns Manville
- Saint-Gobain
- AGC Inc. (Asahi Glass Company)
- China Jushi Co., Ltd.
- Taishan Fiberglass Inc.
- Chongqing Polycomp International Corp. (CPIC)
- Taiwan Glass Ind. Corp.
- Binani Industries Ltd.
- Jiangsu Changhai Composite Materials Co., Ltd.
- Sichuan Weibo New Material Group Co., Ltd.
- Zhejiang Honghe Glass Fiber Co., Ltd.
- Shandong Fiberglass Group Co., Ltd.
- Nanjing Fiberglass Research & Design Institute Co., Ltd.
- Chongqing International Composite Materials Co., Ltd.
- Sinoma Science & Technology Co., Ltd.
- Shandong Taishan Ruifeng Composite Materials Co., Ltd.
Table Information
| Report Attribute | Details |
|---|---|
| No. of Pages | 250 |
| Published | January 2026 |
| Forecast Period | 2026 - 2030 |
| Estimated Market Value ( USD | $ 3.55 Billion |
| Forecasted Market Value ( USD | $ 4.77 Billion |
| Compound Annual Growth Rate | 7.6% |
| Regions Covered | Global |
| No. of Companies Mentioned | 21 |


