The Global Polysiloxane Defoamer Market was valued at USD 113.2 Million in 2023 and is projected to reach USD 114.3 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 1.5% during the forecast period (2024–2030). While growth appears modest, it reflects a mature yet essential market, driven by the critical role these compounds play in enhancing efficiency and product quality across diverse industries such as paints and coatings, pulp and paper, and water treatment.

As manufacturing processes worldwide become more sophisticated and regulations stricter, the demand for high-performance, efficient antifoaming agents is steady. These specialized silicone-based defoamers are indispensable for controlling problematic foam that can disrupt production lines, reduce capacity, and compromise final product integrity. In this analysis, we profile the Top 10 Companies in the Polysiloxane Defoamer Industry—a mix of chemical giants, specialty additive suppliers, and formulation experts who are driving innovation and setting industry standards.

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🔟 1. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: Agitan® and Foamaster® series of silicone defoamers

BASF is a global leader in the chemical industry and a major supplier of performance additives, including a comprehensive portfolio of polysiloxane defoamers. Their products are engineered for high efficiency across a vast range of applications, from water-based paints to industrial processes. BASF’s strong R&D focus ensures continuous improvement in defoamer performance and environmental compatibility.

Innovation & Sustainability Initiatives:

• Development of low-VOC and bio-based defoamer formulations

• Focus on products compliant with global regulatory standards (e.g., REACH, FDA)

• Investment in digital tools for tailor-made customer solutions

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9️⃣ 2. Dow Chemical Company

Headquarters: Midland, Michigan, USA
Key Offering: DOWSIL™ branded silicone additives and defoamers

Dow is a titan in silicone chemistry, and its DOWSIL™ brand is synonymous with high-quality polysiloxane-based defoamers. The company leverages its deep expertise in silicone polymers to create defoamers that offer superior foam control, stability, and compatibility, serving demanding sectors like coatings, construction, and adhesives.

Innovation & Sustainability Initiatives:

• Pioneering silicone technology for next-generation defoamers

• Commitment to circular economy principles in product design

• Extensive technical support and application development services

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8️⃣ 3. Evonik Industries AG

Headquarters: Essen, Germany
Key Offering: TEGO® Antifoam and Airex® series

Evonik is a leading specialty chemicals company with a strong focus on silicone-based additives. Its TEGO® Antifoam range is highly regarded for its effectiveness in combating microfoam and stabilizing processes in coatings, printing inks, and industrial applications. Evonik’s solutions are known for their precision and reliability.

Innovation & Sustainability Initiatives:

• Advanced defoamers for high-performance water-based systems

• Products designed to minimize surface defects in final applications

• Active in developing sustainable solutions for a resource-efficient future

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Polysiloxane Defoamer Market – View in Detailed Research Report

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7️⃣ 4. Wacker Chemie AG

Headquarters: Munich, Germany
Key Offering: SILFOAM® defoamers and custom silicone compounds

Wacker is a global silicone expert with a comprehensive portfolio that includes high-performance polysiloxane defoamers. Their products are used to prevent foam in a wide array of industrial processes, including agrochemicals, plastics, and textiles. Wacker’s strength lies in its vertical integration, controlling the entire silicone value chain.

Innovation & Sustainability Initiatives:

• Focus on developing defoamers for challenging high-temperature applications

• Expansion of product lines for food-contact and pharmaceutical uses

• Commitment to reducing the environmental footprint of its operations and products

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6️⃣ 5. Shin-Etsu Chemical Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: KS and X-series silicone defoamers

Shin-Etsu is one of the world’s largest manufacturers of silicone products and has a significant presence in the defoamer market. The company offers a diverse range of polysiloxane defoamers known for their quality and effectiveness, particularly strong in the Asia-Pacific region and serving global markets in paints, inks, and metalworking fluids.

Innovation & Sustainability Initiatives:

• Continuous R&D to improve defoamer efficiency and application range

• Strategic expansion of production capacity to meet global demand

• Development of environmentally considerate formulations

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5️⃣ 6. Momentive Performance Materials Inc.

Headquarters: Waterford, New York, USA
Key Offering: Siltech® antifoams and specialty silicones

Momentive is a key global player in silicones and advanced materials. The company provides a broad spectrum of polysiloxane defoamers tailored for specific industry needs, including those for harsh chemical environments and high-shear processes. Their technical expertise supports customers in optimizing formulations.

Innovation & Sustainability Initiatives:

• Innovation in emulsifier technology for improved defoamer performance

• Focus on creating solutions that enhance customer process sustainability

• Global manufacturing footprint ensuring reliable supply

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4️⃣ 7. Brenntag AG

Headquarters: Essen, Germany
Key Offering: Distribution of specialty chemicals, including polysiloxane defoamers from multiple producers

Brenntag is the world’s largest chemical distributor and plays a crucial role in the polysiloxane defoamer supply chain. The company does not typically manufacture these products but provides unparalleled market access for numerous specialty chemical producers, offering a wide selection of defoamers and value-added technical services to a vast customer base.

Innovation & Sustainability Initiatives:

• Extensive portfolio management, providing customers with optimal product choices

• Strong logistics network ensuring efficient and timely delivery

• Technical support and formulation advice through expert teams

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3️⃣ 8. Elementis plc

Headquarters: London, United Kingdom
Key Offering: Specialty additives including silicone-defoamer blends for coatings and personal care

Elementis is a global specialty chemicals company that develops high-performance additives. While not solely a polysiloxane producer, Elementis expertly formulates additives that incorporate silicones for superior defoaming and other functionalities, particularly in the coatings and personal care industries, where performance is critical.

Innovation & Sustainability Initiatives:

• Development of multifunctional additives that combine defoaming with other properties

• Focus on creating sustainable products for environmentally sensitive applications

• Customer-centric innovation to solve specific formulation challenges

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2️⃣ 9. Clariant AG

Headquarters: Muttenz, Switzerland
Key Offering: Cerafil® and Foamtex® defoamer ranges

Clariant is a focused and innovative specialty chemical company. Its additives business unit offers effective polysiloxane-based defoamers for various industries, including paints, plastics, and textiles. Clariant emphasizes sustainability and efficiency in its product development, aiming to provide solutions that help customers improve their environmental profile.

Innovation & Sustainability Initiatives:

• Eco-friendly defoamer offerings as part of its “ECO” product line

• Tailored solutions for specific regional and application needs

• Strong emphasis on research and development for advanced materials

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1️⃣ 10. KCC Corporation

Headquarters: Seoul, South Korea
Key Offering: Silicone-based defoamers for construction and industrial applications

KCC Corporation is a major South Korean chemical company with a significant presence in silicone products, including defoamers. The company has a strong market position in Asia and is expanding globally. KCC’s defoamers are widely used in construction materials, sealants, and various industrial processes, known for their consistent quality.

Innovation & Sustainability Initiatives:

• Investment in expanding production capabilities for silicone intermediates and specialties

• Focus on developing products for the fast-growing electric vehicle and renewable energy sectors

• Commitment to quality management and customer satisfaction

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Polysiloxane Defoamer Market – View in Detailed Research Report

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🌍 Outlook: The Future of Polysiloxane Defoamers Is Smarter and More Sustainable

The polysiloxane defoamer market is characterized by steady, evolutionary growth. While traditional formulations remain vital, the industry is increasingly focused on developing smarter, more sustainable solutions that meet the demands of modern manufacturing and stringent environmental regulations.

📈 Key Trends Shaping the Market:

• R&D into bio-based and biodegradable silicone alternatives to enhance sustainability profiles

• Increasing demand for high-performance, low-VOC defoamers in water-based coating systems

• Development of multifunctional additives that combine defoaming with wetting, leveling, or other properties

• Growth in demand from emerging economies in Asia-Pacific and Latin America, driving regional production expansions

Read Full Report:
Polysiloxane Defoamer Market – View in Detailed Research Report

The companies listed above are not only supplying essential process aids—they are actively driving efficiency and sustainability across countless global industries.