Top 10 Companies in the Global Conventional Polyisobutylene Market (2026): Market Leaders Powering Global Growth

MARKET INSIGHTS

Global Conventional Polyisobutylene Market size was valued at USD 2.5 billion in 2024. The market is projected to grow from USD 2.7 billion in 2025 to USD 4.1 billion by 2032, exhibiting a CAGR of 6.2% during the forecast period.

Conventional Polyisobutylene (PIB) is a versatile synthetic rubber polymer derived from isobutylene. It exhibits excellent gas barrier properties, chemical resistance, and flexibility, making it ideal for applications across fuel additives, adhesives, sealants, and elastomer modification. The material is categorized by molecular weight into low, medium, and high grades, each serving distinct industrial needs.

While the automotive sector drives demand for PIB in fuel and lube additives, emerging applications in construction adhesives and medical packaging are accelerating market expansion. However, volatility in raw material prices remains a key challenge. Recent developments include BASF’s 2024 capacity expansion in Germany to meet growing European demand, reflecting strategic responses to market opportunities.

Global Conventional Polyisobutylene Market – View in Detailed Research Report

Top 10 Companies in the Global Conventional Polyisobutylene Market (2026)

1️⃣ 1. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: Low‑molecular‑weight PIB for fuel additives, high‑molecular‑weight PIB for sealants and elastomer modifiers

BASF has reinforced its leadership by expanding the Ludwigshafen plant in 2024, boosting annual capacity by 15% and integrating a modular polymerization unit that can switch between conventional and highly reactive grades. The move positions BASF to meet the growing demand for low‑VOC formulations demanded by the automotive and construction sectors.

Sustainability Initiatives:

• Investment in catalytic polymerization that cuts energy use by 3,000 BTU per ton of output
• Targeting 30% reduction in CO₂ emissions across production lines by 2035
• Collaboration with European partners to develop bio‑based isobutylene feedstocks

2️⃣ 2. INEOS Oligomers

Headquarters: London, United Kingdom
Key Offering: Medium‑molecular‑weight PIB for lubricant additives and high‑performance sealants

INEOS has introduced a new high‑temperature PIB variant that retains viscosity up to 200 °C, meeting the rigorous requirements of electric‑vehicle transmission systems. The company’s focus on R&D has delivered a 20% yield improvement from C4 streams, strengthening its competitive edge.

Sustainability Initiatives:

• Deployment of low‑VOC polymerization processes across all UK facilities
• Partnership with the UK Green Chemistry Centre to explore renewable feedstocks
• Commitment to zero‑waste production by 2030

3️⃣ 3. Lubrizol Corporation

Headquarters: Cleveland, United States
Key Offering: High‑molecular‑weight PIB for tire inner liners and advanced lubricants

Lubrizol’s latest product line delivers a 5–7% reduction in battery drain for electric‑vehicle tires, a benefit highlighted by major OEMs. The company’s investment in a new US plant focuses on integrating AI‑driven process control to optimize yield and reduce waste.

Sustainability Initiatives:

• Adoption of AI‑based predictive maintenance to lower energy consumption
• Partnership with automotive suppliers to develop zero‑emission lubricant formulations
• Annual reporting of greenhouse gas reductions in the sustainability dashboard

4️⃣ 4. TPC Group

Headquarters: Houston, United States
Key Offering: Medium‑molecular‑weight PIB for construction sealants and adhesive applications

In February 2025, TPC announced a $150 million investment to upgrade its Houston facility, adding a new polymerization module capable of producing both conventional and high‑performance PIB grades. The expansion supports the company’s strategy to capture the growing construction market in North America.

Sustainability Initiatives:

• Implementation of a closed‑loop water recycling system at the Houston plant
• Collaboration with local municipalities to support green building certification programs
• Targeted reduction of volatile organic compound emissions by 25% by 2030

5️⃣ 5. Infineum International

Headquarters: London, United Kingdom
Key Offering: Low‑molecular‑weight PIB for high‑performance fuel additives and advanced elastomer modifiers

Infineum’s new PIB formulation offers superior thermal stability, enabling its use in next‑generation engine oils. The company’s investment in a high‑speed polymerization unit has increased throughput by 12%, positioning it well for the rising demand in automotive markets.

Sustainability Initiatives:

• Integration of renewable energy sources across all UK facilities
• Development of a bio‑based PIB variant in partnership with a leading agricultural firm
• Annual carbon intensity reduction target of 15% by 2035

6️⃣ 6. Daelim Industrial Co., Ltd.

Headquarters: Seoul, South Korea
Key Offering: High‑molecular‑weight PIB for tire inner liners and construction sealants

Daelim’s new 100,000‑ton annual capacity plant in South Korea, operational since Q3 2024, has substantially increased its export potential to emerging markets. The plant’s advanced polymerization technology delivers a 10% higher yield compared to legacy units.

Sustainability Initiatives:

• Use of renewable electricity from the national grid in all production processes
• Partnership with local universities to develop next‑generation polymerization catalysts
• Commitment to achieving carbon neutrality by 2040

7️⃣ 7. Chevron Oronite

Headquarters: Houston, United States
Key Offering: Medium‑molecular‑weight PIB for industrial lubricants and sealants

Chevron Oronite’s focus on high‑temperature PIB variants supports the company’s portfolio of low‑emission lubricants for the power generation sector. The firm has recently upgraded its production line to incorporate a low‑VOC polymerization process.

Sustainability Initiatives:

• Implementation of a zero‑liquid‑discharge system across all US plants
• Investment in carbon capture and utilization projects in partnership with energy utilities
• Annual sustainability reporting aligned with the Global Reporting Initiative

8️⃣ 8. ENEOS Corporation

Headquarters: Tokyo, Japan
Key Offering: Low‑molecular‑weight PIB for fuel additives and high‑molecular‑weight PIB for construction sealants

ENEOS has launched a new high‑performance PIB line that delivers improved moisture barrier properties for roofing membranes. The company’s investment in a smart manufacturing platform has increased production efficiency by 8%.

Sustainability Initiatives:

• Adoption of a circular economy model for polymer waste recycling
• Collaboration with the Japanese Ministry of the Environment to meet stricter VOC limits
• Target of reducing greenhouse gas emissions by 20% by 2030

9️⃣ 9. Jilin Petrochemical (CNPC)

Headquarters: Changchun, China
Key Offering: Medium‑molecular‑weight PIB for industrial lubricants and construction sealants

Jilin Petrochemical’s expansion of its domestic production capacity has positioned it as a leading supplier in the Asia‑Pacific region. The company’s new plant incorporates a modular polymerization system that can be reconfigured to produce both conventional and high‑performance PIB grades.

Sustainability Initiatives:

• Integration of renewable natural gas into the feedstock stream
• Partnership with local universities to develop low‑emission polymerization catalysts
• Commitment to achieving carbon neutrality across all Chinese operations by 2045

🔟 10. Braskem S.A.

Headquarters: Rio de Janeiro, Brazil
Key Offering: Industrial‑grade PIB for plastic modifiers and medical packaging

Braskem’s focus on high‑purity PIB grades has opened new opportunities in the pharmaceutical packaging sector. The company’s investment in a new Brazilian plant has increased capacity by 20% and introduced a low‑VOC polymerization process.

Sustainability Initiatives:

• Use of bio‑ethanol derived isobutylene in the polymerization feedstock
• Collaboration with the Brazilian Ministry of Science, Technology and Innovation on green chemistry projects
• Target of reducing carbon intensity by 25% by 2035

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Outlook

The trajectory of the Global Conventional Polyisobutylene Market is shaped by a blend of robust demand from automotive and construction sectors and the need to navigate raw‑material volatility. Companies that have diversified their supply chains and invested in low‑VOC polymerization technologies are better positioned to absorb price swings while meeting tightening environmental standards. The market is expected to maintain steady growth through 2034, with a projected volume of 1.9 million metric tons and revenue approaching USD 4.5 billion.

Future Trends

• Adoption of hybrid polymer blends that combine PIB with bio‑based polymers for enhanced sustainability
• Expansion of high‑molecular‑weight PIB applications in renewable energy components such as solar panel encapsulation and wind turbine blade adhesives
• Increased focus on digital supply‑chain platforms to improve visibility and reduce lead times for specialty chemicals
• Growth of medical‑grade PIB for pharmaceutical packaging as regulatory requirements tighten
• Continued investment in catalytic polymerization units that deliver higher yields and lower energy consumption