The Global Automotive Long Glass Fiber Reinforced PBT Market was valued at USD 1.85 Billion in 2023 and is projected to reach USD 2.89 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 6.8% during the forecast period (2023–2030). This significant growth is being fueled by the global push for vehicle lightweighting, stringent emission regulations, and the accelerating adoption of high-performance engineering thermoplastics across electric and conventional vehicle platforms.

As the automotive industry accelerates its transformation toward electrification and sustainability, the focus intensifies on advanced materials that offer superior strength-to-weight ratios. In this feature, we profile the Top 10 Companies in the Automotive Long Glass Fiber Reinforced PBT Industry—a group of material science innovators, compounders, and suppliers shaping the future of lightweight automotive components.

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🔟 1. SABIC

Headquarters: Riyadh, Saudi Arabia
Key Offering: STAMAX™ LGF-PBT resins

SABIC is a global leader in advanced thermoplastics, offering its proprietary STAMAX long glass fiber polybutylene terephthalate (LGF-PBT) resins. These materials are extensively used for semi-structural automotive parts, providing excellent stiffness, impact resistance, and dimensional stability, which are critical for under-the-hood components and structural body panels.

Innovation and Application Focus:

• Development of high-flow LGF-PBT grades for complex, thin-walled parts

• Focus on materials for battery electric vehicle (BEV) components, including battery housings and structural supports

• Commitment to circular economy with certified renewable and recycled-content portfolios

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Automotive Long Glass Fiber Reinforced PBT Market – View in Detailed Research Report

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9️⃣ 2. Celanese Corporation

Headquarters: Irving, Texas, USA
Key Offering: Celstran® & Vandar® LGF-PBT compounds

Celanese is a premier global chemical and specialty materials company with a strong portfolio in engineered materials. Its Celstran and Vandar LGF-PBT compounds are renowned for their mechanical properties and are widely used in automotive applications requiring high strength, heat resistance, and durability, such as front-end carriers and pedal boxes.

Innovation and Application Focus:

• Advanced compounding technologies for superior fiber-matrix adhesion

• Tailored solutions for metal-to-plastic conversion in automotive assemblies

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8️⃣ 3. Daicel Polymer Ltd.

Headquarters: Tokyo, Japan
Key Offering: Plaject® LGF-PBT compounds

Daicel Polymer is a key Japanese manufacturer of high-performance engineering plastics. Its Plaject LGF-PBT compounds are specifically engineered for the automotive sector, offering excellent creep resistance and high mechanical strength, making them ideal for applications like mirror housings, door modules, and electronic connectors.

Innovation and Application Focus:

• Specialization in high-heat resistance grades for under-hood applications

• Strong presence in the Asia-Pacific automotive supply chain

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7️⃣ 4. PolyOne (Now Avient Corporation)

Headquarters: Avon Lake, Ohio, USA
Key Offering: Complet® LGF-PBT compounds

Following its acquisition by Avient, the former PolyOne’s Complet LGF-PBT product line continues to be a major force in the market. These materials are designed to replace metal and other heavier materials, offering weight reduction without compromising performance in components like intake manifolds and structural brackets.

Innovation and Application Focus:

• Integration of color and performance additives directly into the compound

• Focus on sustainable solutions, including grades with bio-based content

Download FREE Sample Report:
Automotive Long Glass Fiber Reinforced PBT Market – View in Detailed Research Report

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6️⃣ 5. Lotte Chemical

Headquarters: Seoul, South Korea
Key Offering: LUPRAN® LGF-PBT compounds

Lotte Chemical is a major South Korean chemical company with a growing portfolio of engineering plastics. Its LUPRAN LGF-PBT compounds are gaining significant traction in the Asian automotive market, particularly for exterior body panels and under-the-hood components that demand high rigidity and thermal stability.

Innovation and Application Focus:

• Expansion of production capacity to meet rising demand from electric vehicle manufacturers

• Development of flame-retardant grades for EV battery components

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5️⃣ 6. Solvay S.A.

Headquarters: Brussels, Belgium
Key Offering: IXEF® PARA & Specialty LGF Compounds

While renowned for its high-performance polymers like PEEK and PPS, Solvay also offers advanced LGF compounds that compete directly with PBT in high-end applications. Solvay’s materials are often used in demanding automotive environments where superior chemical resistance and continuous use temperature are required.

Innovation and Application Focus:

• Focus on ultra-high-performance materials for the most demanding automotive applications

• Strong R&D in materials supporting vehicle electrification and autonomy

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4️⃣ 7. Nippon Electric Glass Co., Ltd. (NEG)

Headquarters: Otsu, Shiga, Japan
Key Offering: Glass fiber reinforcement materials

Nippon Electric Glass is a critical player as a primary supplier of the glass fibers used in LGF-PBT compounds. Their high-quality glass fibers provide the essential reinforcement that gives LGF-PBT its superior mechanical properties, making them an integral part of the supply chain for all compounders.

Innovation and Application Focus:

• Development of specialized glass fiber sizing for optimal adhesion with PBT resin

• Production of low-diameter fibers for improved surface finish in molded parts

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3️⃣ 8. RTP Company

Headquarters: Winona, Minnesota, USA
Key Offering: Custom-engineered LGF-PBT compounds

RTP Company is a leading global compounder of high-performance thermoplastic composites. They specialize in custom-formulated LGF-PBT compounds designed to meet specific customer requirements for strength, thermal performance, and regulatory compliance, serving a wide range of automotive OEMs and Tier-1 suppliers.

Innovation and Application Focus:

• Expertise in custom coloration and additive packages

• Focus on conductive compounds for electrostatic discharge (ESD) protection in EV components

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2️⃣ 9. Core Molding Technologies, Inc.

Headquarters: Columbus, Ohio, USA
Key Offering: LGF-PBT molded components & sheet molding compound (SMC)

Core Molding Technologies is a manufacturer of fiberglass reinforced plastics, including components made from LGF-PBT compounds. They work closely with material suppliers to produce finished parts, offering a full-service solution from material selection to molding for automotive applications like trim panels and structural supports.

Innovation and Application Focus:

• Integration of design, material science, and manufacturing

• Specialization in compression molding of large, complex parts

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1️⃣ 10. PlastiComp, Inc.

Headquarters: Winona, Minnesota, USA
Key Offering: Complet® LGF-PBT & other long fiber thermoplastic (LFT) compounds

PlastiComp is a specialist in long fiber reinforced thermoplastics (LFTs). Their expertise in LGF-PBT compounding provides automotive engineers with materials that offer exceptional impact strength and durability, which are essential for components subjected to high stress and vibration, such as seat frames and instrument panel supports.

Innovation and Application Focus:

• Patented LFT compounding processes for maximum fiber length retention

• Development of hybrid composites combining glass with carbon fibers for premium applications

Get Full Report Here:
Automotive Long Glass Fiber Reinforced PBT Market – View in Detailed Research Report

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🚗 Outlook: The Future of Automotive LGF-PBT Is Lighter and Smarter

The automotive LGF-PBT market is undergoing a profound transformation. As vehicle electrification becomes mainstream and sustainability mandates tighten, the demand for high-performance, lightweight materials is surging. The industry is investing heavily in next-generation compounds, advanced compounding technologies, and recyclable material solutions.

📈 Key Trends Shaping the Market:

• Accelerated adoption in Battery Electric Vehicle (BEV) platforms for battery trays, structural components, and housings

• Development of halogen-free flame retardant (HFFR) grades to meet strict EV safety standards

• Increased use of simulation software to predict the performance of LGF-PBT parts, optimizing designs for weight and cost

• Growing emphasis on circular economy principles, driving R&D in bio-based PBT and chemically recyclable compounds

Get Full Report Here:
Automotive Long Glass Fiber Reinforced PBT Market – View in Detailed Research Report

The companies listed above are not only supplying critical materials—they are enabling the lightweight evolution of the global automotive industry, paving the way for more efficient, sustainable, and high-performance vehicles.