The Global Interlayer Films for Smart Glass Market was valued at US$ 676 Million in 2025 and is projected to reach US$ 980 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 5.5% during the forecast period (2024–2034). This significant expansion is fueled by the escalating demand for energy-efficient building solutions, the growing adoption of smart technologies in the automotive sector, and stringent government regulations promoting green construction practices.

As the world moves towards smarter, more responsive built environments, the core technology enabling dynamic light and thermal control—interlayer films—is gaining prominence. These advanced polymer membranes are the critical component that transforms standard glass into smart glass. In this analysis, we profile the Top 10 Companies in the Interlayer Films for Smart Glass Industry—a combination of global chemical giants and specialized material innovators shaping the future of adaptive architecture and transportation.

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🔟 1. Eastman Chemical Company

Headquarters: Kingsport, Tennessee, USA
Key Offering: Advanced interlayer films, including Saflex® and other specialty polymers

Eastman is a global specialty materials leader with a long-standing heritage in producing high-performance interlayers. Its Saflex® series is widely used in laminated glass applications, and the company is actively developing advanced formulations tailored for electrochromic and suspended particle device (SPD) smart glass technologies.

Innovation Focus:

• Development of ultra-clear, durable interlayers for pristine optical clarity in smart windows

• Investment in R&D for next-generation smart film technologies

• Strong partnerships with glass manufacturers and smart glass technology providers

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9️⃣ 2. Sekisui Chemical Co., Ltd.

Headquarters: Osaka, Japan
Key Offering: S-Lec™ interlayer films, Polyvinyl Butyral (PVB) resins

Sekisui Chemical is a dominant force in the PVB interlayer market, a key material for laminated safety glass. The company’s S-Lec™ brand films provide the essential bonding layer and are engineered to be compatible with various smart glass functional layers, making them a foundational supplier to the industry.

Innovation Focus:

• Enhancing the thermal and acoustic properties of PVB interlayers

• Developing specialized films for automotive and architectural smart glass

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8️⃣ 3. Kuraray Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Trosifol® PVB interlayer films, Ionoplast interlayers

Kuraray is another Japanese chemical giant renowned for its high-quality Trosifol® PVB interlayers. The company offers a broad portfolio that includes standard, acoustic, and solar control films, and it is investing in products that meet the specific demands of dynamic glass applications requiring robust performance and longevity.

Innovation Focus:

• Leading in the development of ionoplast interlayers for superior strength and moisture resistance

• Focus on sustainability through the production of bio-based PVB raw materials

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Interlayer Films for Smart Glass Market – View in Detailed Research Report

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7️⃣ 4. Decent New Material Co., Ltd.

Headquarters: Suzhou, China
Key Offering: PVB interlayer films, EVA films for solar and laminated glass

Decent New Material has emerged as a significant supplier from China, catering to the booming construction and solar industries. The company produces a range of interlayer films and is expanding its capabilities to serve the smart glass market, offering cost-effective solutions without compromising on essential performance metrics.

Innovation Focus:

• Scaling production capacity to meet global demand

• Developing films with enhanced UV stability and yellowness resistance

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6️⃣ 5. Chang Chun Group

Headquarters: Taipei, Taiwan
Key Offering: PVB resins and films, engineering plastics

Chang Chun Group is a major chemical conglomerate with a strong presence in the PVB supply chain. The company produces PVB resins, which are the primary raw material for interlayer films, and also manufactures finished films, giving it a vertically integrated position in the market.

Innovation Focus:

• Vertical integration from resin to film production for quality control

• Expansion into high-performance films for specialized applications

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5️⃣ 6. Everlam

Headquarters: Helmond, Netherlands
Key Offering: EVASAFE® EVA interlayer films

Everlam specializes in Ethylene-Vinyl Acetate (EVA) interlayer films, which are a key alternative to PVB, particularly in applications requiring higher moisture resistance and easier processing, such as in photovoltaic modules and certain types of laminated glass.

Innovation Focus:

• Expertise in EVA film technology for niche smart glass applications

• Focus on providing tailored solutions for specific customer and project requirements

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4️⃣ 7. Anhui Wanwei Group

Headquarters: Chaohu, Anhui, China
Key Offering: PVB resins, PVA (Polyvinyl Alcohol) and related chemical products

Anhui Wanwei is one of China’s largest producers of PVA and PVB resins. As a key upstream supplier, the company plays a critical role in the interlayer film ecosystem, providing the essential raw materials needed by film manufacturers globally.

Innovation Focus:

• Large-scale production of high-purity PVB resin

• Investing in R&D to improve resin properties for advanced film applications

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3️⃣ 8. KB PVB

Headquarters: Seoul, South Korea
Key Offering: PVB interlayer films for automotive and architectural glass

KB PVB is a specialized South Korean manufacturer focused on producing high-quality PVB interlayer films. The company has a strong foothold in the Asian market and serves both the automotive and construction industries with films designed for safety and performance.

Innovation Focus:

• Developing thinner, stronger films for modern lightweight glazing designs

• Enhancing color neutrality and optical properties

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Interlayer Films for Smart Glass Market – View in Detailed Research Report

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2️⃣ 9. Argotec

Headquarters: Greenfield, Massachusetts, USA
Key Offering: Specialty polyester films, including host films for switchable technologies

Argotec specializes in extruded polyester films that serve as the substrate or “host” film for conductive layers in electrochromic and PDLC (Polymer Dispersed Liquid Crystal) smart glass. The company’s products are critical for the functional performance and durability of the final smart glass unit.

Innovation Focus:

• Manufacturing ultra-smooth, dimensionally stable polyester substrates

• Developing custom films with specific surface treatments and optical properties

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1️⃣ 10. HAVERKAMP

Headquarters: Münster, Germany
Key Offering: High-performance sealing and interlayer solutions

HAVERKAMP is a German engineering company known for its expertise in processing technology for the glass industry. While not a primary film producer, it is a key player in the ecosystem, providing the machinery, technical knowledge, and processing solutions required to laminate glass with interlayer films reliably and efficiently.

Innovation Focus:

• Advanced autoclave and lamination line technology for defect-free production

• Technical support and process optimization for smart glass manufacturers

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Interlayer Films for Smart Glass Market – View in Detailed Research Report

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🌍 Outlook: The Future of Interlayer Films is Smarter and More Integrated

The interlayer films market is at the heart of the smart glass revolution. While traditional films for safety and security remain vital, the industry is rapidly evolving towards multifunctional, dynamic films that integrate directly with building management and automotive control systems.

📈 Key Trends Shaping the Market:

• Integration of nanotechnology to create films with self-cleaning, anti-reflective, and enhanced thermal properties

• Rising demand for energy-saving smart windows driven by global net-zero carbon targets

• Growth of the smart automotive glass sector for sunroofs, windows, and dimming mirrors

• Development of standardized manufacturing processes to reduce costs and accelerate adoption

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Interlayer Films for Smart Glass Market – View in Detailed Research Report

The companies profiled are not just supplying materials—they are providing the essential enabling technology that allows glass to transition from a passive barrier to an active, intelligent component of our future environments.