The Global Duolite Market was valued at USD 1.82 Billion in 2024 and is projected to reach USD 2.57 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.9% during the forecast period (2024–2030). This expansion is fueled by tightening water quality regulations, increasing demand for ultrapure process water, and the growing adoption of ion exchange technologies across pharmaceuticals, food production, and mining sectors.

As industries worldwide seek more efficient separation and purification solutions, Duolite ion exchange resins have become indispensable across multiple applications. In this comprehensive analysis, we examine the Top 10 Companies in the Duolite Industry – technology leaders who are shaping the future of chemical separation and water treatment globally.

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🔟 10. Jiangsu Suqing Water Treatment Engineering Group Company Ltd.

Headquarters: Jiangsu, China
Key Offering: Industrial-Grade Ion Exchange Resins

As China’s largest domestic manufacturer of water treatment resins, Jiangsu Suqing has become a key supplier to Asia’s rapidly expanding industrial sector. The company specializes in cost-effective alternatives to Duolite products for power generation, petrochemical, and electronics manufacturing applications.

Market Position:

• Dominates China’s municipal water treatment resin market
• New 50,000-ton annual production capacity operational since 2023
• Strategic supplier to Chinese state-owned enterprises

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9️⃣ 9. Samyang Corporation

Headquarters: Seoul, South Korea
Key Offering: Food & Pharma Grade Resins

Samyang’s chemical division manufactures high-purity ion exchange resins under the Duolite brand for critical food, beverage, and pharmaceutical applications requiring stringent regulatory compliance.

Specialized Solutions:

• FDA-compliant resins for sugar refining and sweetener production
• GMP-certified manufacturing facilities
• Patented uniform bead technology for consistent performance

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8️⃣ 8. Novasep Holding S.A.S.

Headquarters: Pomacle, France
Key Offering: Biochromatography Resins

Novasep provides specialized Duolite-branded resins for biopharmaceutical purification, including monoclonal antibody production, vaccine manufacturing, and biosimilar development.

Technical Capabilities:

• High-flow resins for continuous bioprocessing
• Validated systems for cGMP production
• Custom ligand coupling services

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7️⃣ 7. Resintech Inc.

Headquarters: West Berlin, New Jersey, USA
Key Offering: Industrial Ion Exchange Solutions

Resintech offers Duolite-compatible resins for demanding industrial applications along with comprehensive technical support and regeneration services.

Core Applications:

• Semiconductor-grade ultrapure water
• Precious metal recovery in mining
• Condensate polishing in power plants

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6️⃣ 6. Ion Exchange (India) Ltd.

Headquarters: Mumbai, India
Key Offering: Complete Water Treatment Solutions

As India’s leading water management company, Ion Exchange manufactures a full range of Duolite-style resins while providing complete water treatment systems for industrial and municipal clients.

Regional Leadership:

• 50+ years of expertise in developing markets
• Integrated approach from resins to treatment plants
• Strategic partner for India’s Smart Cities Mission

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5️⃣ 5. Thermax Ltd.

Headquarters: Pune, India
Key Offering: Industrial Water & Wastewater Systems

Thermax incorporates Duolite technology in its comprehensive water treatment solutions, with particular expertise in zero liquid discharge and high-efficiency demineralization systems.

System Integration:

• Custom resin selection consulting
• Onsite performance optimization
• Full lifecycle resin management

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4️⃣ 4. Purolite Corporation

Headquarters: Pennsylvania, USA
Key Offering: Alternative Ion Exchange Resins

Purolite has emerged as a formidable competitor to Duolite, offering an extensive portfolio of resins for pharmaceutical, food, and industrial applications with strong technological differentiation.

Innovation Focus:

• 800+ resin formulations in catalog
• Specialty resins for biopharma applications
• Continuous product development pipeline

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3️⃣ 3. Mitsubishi Chemical Corporation

Headquarters: Tokyo, Japan
Key Offering: DIAION™ Resin Portfolio

Mitsubishi Chemical’s DIAION resins compete directly with Duolite in global markets, featuring advanced technologies for ultrapure water, chemical processing, and lithium extraction applications.

Technological Advantages:

• High-capacity resins for lithium brine processing
• Precision-engineered particle size distribution
• Superior physical and chemical stability

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2️⃣ 2. Lanxess AG

Headquarters: Cologne, Germany
Key Offering: Lewatit® Ion Exchange Resins

Lanxess stands as a premier global supplier of Lewatit resins, offering high-performance alternatives to Duolite products across industrial water treatment, hydrometallurgy, and sugar refining applications.

Sustainability Leadership:

• Circular economy resin regeneration services
• Eco-efficient manufacturing processes
• Solutions for water reuse applications

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1️⃣ 1. Dow Chemical Company

Headquarters: Midland, Michigan, USA
Key Offering: DOWEX™ and Duolite Brand Resins

As the owner of the Duolite brand following its acquisition of Rohm & Haas, Dow maintains market leadership with the most comprehensive portfolio of ion exchange resins worldwide across all major applications.

Market Dominance:

• Global production network with regional customization
• Pioneering R&D in resin chemistries
• Complete solutions from resins to systems

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🌍 Market Outlook: Evolving Applications Drive Duolite Innovation

The global Duolite market is being transformed by emerging applications in critical industries, while traditional water treatment applications continue to provide stable growth. Key developments in lithium extraction, biopharmaceutical manufacturing, and PFAS removal are creating new opportunities for advanced ion exchange technologies.

📈 Key Industry Trends:

• Accelerating adoption in lithium mining and battery recycling
• Development of specialized resins for emerging contaminants
• Growing demand for single-use bioprocessing resins
• Digital solutions for resin performance monitoring

Read Full Report: Duolite Market – View in Detailed Research Report

The companies profiled above are driving innovation in ion exchange technology, developing solutions that address the world’s most pressing water and separation challenges across multiple industries.