Top 10 Silicone Free Defoamer Manufacturers in China 2025

Introduction to Silicone Free Defoamer

Silicone free defoamers are a type of chemical additive used to eliminate or reduce foam in various industrial processes. Unlike silicone - based defoamers, silicone free defoamers do not contain silicone polymers. They are preferred in many applications where silicone can cause problems, such as in food and beverage production, where silicone might leave residues or affect product quality; in coating and painting industries, where silicone can cause surface defects like craters or poor adhesion; and in some wastewater treatment processes where silicone can interfere with downstream treatment steps.

Silicone free defoamers are typically made from organic compounds, such as mineral oils, fatty acids, esters, and polyethers. These substances work by spreading on the surface of the foam bubbles, reducing the surface tension of the liquid film that forms the bubble, and causing the bubbles to burst. They offer good defoaming performance, stability, and compatibility with different systems, making them an important part of many industrial operations.

Now, let's take a look at the top 10 silicone free defoamer manufacturers in China in 2025.

1. Chongqing ACME Tech. Co., Ltd.

Chongqing ACME Tech. Co., Ltd. is a leading player in the field of defoamer production. The company has a long - standing reputation for its high - quality chemical products. It was established with a vision to provide innovative and effective solutions for various industrial foam - related problems.

The company invests heavily in research and development. Its R & D team consists of experienced chemists and engineers who are constantly exploring new formulations and technologies to improve the performance of their silicone free defoamers. They conduct in - depth studies on the properties of different organic compounds and how they interact with various foaming systems.

In terms of production, Chongqing ACME Tech. Co., Ltd. has state - of - the - art manufacturing facilities. These facilities are equipped with advanced production equipment and strict quality control systems. The production process is carefully monitored at every step to ensure that the defoamers meet the highest quality standards.

The company also places great emphasis on customer service. They have a professional sales and after - sales service team that can provide timely technical support and solutions to customers. Whether it is helping customers choose the most suitable defoamer for their specific applications or providing on - site technical guidance, the team is always ready to assist.

Features of Silicone Free Defoamers:

• High - efficiency defoaming: Their defoamers can quickly break down foam and prevent its re - formation, even in high - foam systems. For example, in a pulp and paper mill, where large amounts of foam are generated during the pulping process, their defoamers can effectively control the foam, improving the production efficiency.
• Good compatibility: They are compatible with a wide range of industrial fluids, including water - based and oil - based systems. This makes them suitable for various applications in different industries.
• Environmental - friendliness: The defoamers are made from environmentally friendly organic compounds, which have low toxicity and are less harmful to the environment compared to some other chemical additives.

Advantages of the Company:

• Technical expertise: With a strong R & D team, the company can develop customized defoamer solutions according to the specific needs of customers.
• Quality assurance: The strict quality control system ensures that every batch of defoamers meets the high - quality standards, providing reliable performance to customers.
• Customer - centric service: The excellent customer service helps build long - term relationships with customers and gain their trust.

Website: https://www.surfadiols.com/

2. Shanghai Bojie Chemical Co., Ltd.

Shanghai Bojie Chemical Co., Ltd. has been in the chemical industry for many years. It has a comprehensive product portfolio that includes a variety of silicone free defoamers. The company has a large - scale production base with advanced production lines.

The company focuses on continuous innovation. They collaborate with many domestic and international research institutions to keep up with the latest trends in the defoamer industry. This allows them to introduce new products with improved performance regularly.

In terms of market expansion, Shanghai Bojie Chemical Co., Ltd. has a wide sales network both in China and overseas. They have established long - term partnerships with many well - known enterprises in different industries, which has helped them gain a large market share.

Features of Silicone Free Defoamers:

• Long - lasting defoaming effect: Their defoamers can maintain a stable defoaming performance over a long period of time. In a fermentation process, where the fermentation cycle can be several days, the defoamers can continuously control the foam, ensuring the normal operation of the fermentation.
• Thermal stability: They can withstand high temperatures without losing their defoaming ability. This makes them suitable for high - temperature industrial processes, such as in the production of some high - temperature coatings.
• Low dosage requirement: A small amount of their defoamers can achieve significant defoaming results, which helps reduce the cost for customers.

Advantages of the Company:

• Innovation ability: The collaboration with research institutions enables them to develop advanced defoamer products ahead of the market.
• Large - scale production: The large - scale production base allows them to meet the large - volume demand of customers in a timely manner.
• Wide market reach: The extensive sales network helps them quickly distribute their products to different regions and industries.

3. Guangzhou Zhongwang Chemical Co., Ltd.

Guangzhou Zhongwang Chemical Co., Ltd. is known for its high - quality chemical products. The company has a strong technical background, with many experienced professionals in the fields of chemistry and chemical engineering.

They have a strict quality management system. From the selection of raw materials to the final product inspection, every step is carefully controlled to ensure the quality of the silicone free defoamers. The company also pays attention to environmental protection in its production process, using clean production technologies.

In terms of product development, Guangzhou Zhongwang Chemical Co., Ltd. conducts in - depth market research to understand the needs of different customers. Based on this, they develop targeted defoamer products to meet the specific requirements of various industries.

Features of Silicone Free Defoamers:

• Excellent dispersion: Their defoamers can be easily dispersed in different media, ensuring uniform defoaming throughout the system. In a water - based paint system, for example, the defoamer can be evenly distributed, preventing local foam accumulation.
• Anti - corrosion property: They have certain anti - corrosion capabilities, which can protect the equipment in the industrial process. In a metal - working fluid system, the defoamer can not only control the foam but also prevent the corrosion of metal parts.
• Good shear stability: They can maintain their defoaming performance under high - shear conditions, which is important in some high - speed mixing or pumping processes.

Advantages of the Company:

• Quality control: The strict quality management system ensures the high - quality and stability of their products.
• Environmental awareness: The use of clean production technologies makes their products more environmentally friendly and in line with the current market trends.
• Customer - oriented product development: By understanding customer needs, they can develop products that are highly suitable for specific applications.

4. Shandong Huayang Chemical Co., Ltd.

Shandong Huayang Chemical Co., Ltd. is located in Shandong, a province with a strong chemical industry foundation. The company has a large production capacity and a wide range of silicone free defoamer products.

They have a professional R & D team that is dedicated to improving the performance of their defoamers. The team conducts a lot of experiments and research on different raw materials and formulations to develop more effective defoaming solutions.

The company also has a good after - sales service system. They provide regular follow - up services to customers, collecting feedback on product use and providing timely solutions to any problems that arise.

Features of Silicone Free Defoamers:

• Fast - acting defoaming: Their defoamers can quickly eliminate foam once added to the system. In a textile dyeing process, where foam can affect the dyeing quality, the fast - acting defoamer can quickly solve the foam problem, improving the product quality.
• Low volatility: They have low volatility, which means they can stay in the system for a long time and maintain their defoaming effect. This is beneficial in some closed - loop industrial processes.
• Good chemical stability: They are stable in the presence of different chemicals, which makes them suitable for use in complex chemical environments.

Advantages of the Company:

• Production capacity: The large production capacity allows them to meet the large - scale demand of customers, especially for some large - scale industrial projects.
• R & D strength: The professional R & D team can continuously improve the product performance and develop new products.
• After - sales service: The good after - sales service system helps build a good relationship with customers and ensures the long - term use of their products.

5. Jiangsu Yoke Chemical Co., Ltd.

Jiangsu Yoke Chemical Co., Ltd. is a well - known chemical enterprise in Jiangsu province. The company has a modern production base and a complete set of production and testing equipment.

They focus on product quality and innovation. The company has a quality control department that conducts strict inspections on every batch of products. At the same time, they invest in R & D to develop new and improved silicone free defoamers.

In terms of market promotion, Jiangsu Yoke Chemical Co., Ltd. participates in many domestic and international chemical exhibitions and conferences. This helps them increase brand awareness and expand their customer base.

Features of Silicone Free Defoamers:

• Broad - spectrum defoaming: Their defoamers can be used in a wide variety of industries, including food, pharmaceuticals, and cosmetics. They can effectively control foam in different foaming systems, regardless of the nature of the foaming agent.
• Low odor: They have a low odor, which is important in some applications where odor is a concern, such as in the production of household cleaning products.
• Good storage stability: They can be stored for a long time without significant degradation of their defoaming performance, which is convenient for customers to stock up.

Advantages of the Company:

• Quality management: The strict quality control ensures the high - quality of their products, which is crucial for customer satisfaction.
• Innovation drive: The investment in R & D allows them to keep up with the market demand and introduce new products.
• Market promotion: Participating in exhibitions and conferences helps them expand their market influence and attract more customers.

6. Tianjin Xingda Chemical Co., Ltd.

Tianjin Xingda Chemical Co., Ltd. has a long history in the chemical industry. The company has a deep understanding of the defoamer market and customer needs.

They have a team of experienced technicians who are responsible for the production and quality control of silicone free defoamers. The technicians use their rich experience to ensure the stability and reliability of the production process.

The company also provides technical training to its customers. They organize seminars and on - site training sessions to help customers better understand and use their defoamers.

Features of Silicone Free Defoamers:

• Custom - made formulations: They can develop customized defoamer formulations according to the specific requirements of customers. For example, for a customer in the electronics industry with special requirements for defoaming performance and compatibility, the company can develop a unique defoamer.
• High - purity: Their defoamers have a high degree of purity, which reduces the risk of introducing impurities into the industrial process. In a high - precision manufacturing process, such as semiconductor production, the high - purity defoamer is very important.
• Low surface tension reduction: They can achieve defoaming with a relatively low reduction in surface tension, which is beneficial in some applications where surface tension needs to be maintained within a certain range.

Advantages of the Company:

• Technical experience: The experienced technicians ensure the high - quality production of products and can quickly solve production - related problems.
• Customer training: By providing technical training, they help customers make better use of their products, improving customer satisfaction.
• Customization ability: The ability to develop customized formulations allows them to meet the diverse needs of different customers.

7. Zhejiang Hongda Chemical Co., Ltd.

Zhejiang Hongda Chemical Co., Ltd. is a leading chemical manufacturer in Zhejiang province. The company has a large - scale production base and a complete industrial chain.

They have a strong R & D and innovation system. The company not only focuses on the improvement of existing products but also actively explores new application areas for silicone free defoamers.

In terms of marketing, Zhejiang Hongda Chemical Co., Ltd. has a professional sales team that is good at promoting products in different markets. They also use e - commerce platforms to expand their sales channels.

Features of Silicone Free Defoamers:

• High - performance in high - viscosity systems: Their defoamers can effectively control foam in high - viscosity fluids, such as in some adhesive or resin systems. In a high - viscosity epoxy resin production process, the defoamer can quickly eliminate the foam, improving the quality of the resin.
• Good resistance to microbial attack: They have certain resistance to microbial growth, which is important in some biological fermentation or wastewater treatment processes where microorganisms are present.
• Low impact on product properties: The defoamers have a minimal impact on the physical and chemical properties of the final product, ensuring that the quality of the end - product is not affected.

Advantages of the Company:

• Industrial chain advantage: The complete industrial chain allows them to control the cost and quality of raw materials, improving the competitiveness of their products.
• R & D and innovation: The strong R & D system enables them to continuously introduce new products and technologies, keeping them at the forefront of the industry.
• Marketing ability: The professional sales team and the use of e - commerce platforms help them expand their market share.

8. Hubei Xinyang Chemical Co., Ltd.

Hubei Xinyang Chemical Co., Ltd. is located in Hubei, a province with a rich chemical resource. The company has access to high - quality raw materials, which is beneficial for the production of high - quality silicone free defoamers.

They have a strict quality inspection system. Every batch of products is tested by multiple inspection methods to ensure that they meet the quality standards.

The company also has a good cooperation mechanism with universities and research institutions. Through cooperation, they can introduce the latest scientific research results into their product development.

Features of Silicone Free Defoamers:

• Good solubility: Their defoamers can be easily dissolved in different solvents, which is convenient for use in different industrial processes. In a solvent - based coating system, for example, the defoamer can be quickly dissolved, achieving uniform defoaming.
• High - temperature and high - pressure resistance: They can maintain their defoaming performance under high - temperature and high - pressure conditions, which is important in some oil - field or chemical - processing industries.
• Low foam regeneration: Once the foam is eliminated, there is a low tendency for it to re - form, ensuring long - term defoaming effect.

Advantages of the Company:

• Raw material advantage: The access to high - quality raw materials allows them to produce high - quality defoamers at a relatively low cost.
• Quality inspection: The strict quality inspection system ensures the reliability of their products, giving customers confidence in using them.
• Cooperation with academia: The cooperation with universities and research institutions helps them stay updated with the latest technologies and develop more advanced products.

9. Fujian Longsheng Chemical Co., Ltd.

Fujian Longsheng Chemical Co., Ltd. is a well - established chemical company in Fujian province. The company has a modern management system and a professional R & D team.

They focus on product differentiation. By developing unique defoamer products, they can meet the special needs of different customers and gain a competitive edge in the market.

The company also pays attention to the development of international markets. They participate in international trade fairs and establish business relationships with overseas customers.

Features of Silicone Free Defoamers:

• Specialized for specific industries: They have developed defoamers that are specifically tailored for certain industries, such as the leather - making industry. These defoamers can effectively solve the foam problems unique to these industries.
• Good compatibility with additives: They can be used in combination with other additives without causing adverse reactions. In a paint system, for example, the defoamer can be used together with other pigments and binders, improving the overall performance of the paint.
• Low - cost performance: They offer defoamers with a good balance between cost and performance, providing cost - effective solutions for customers.

Advantages of the Company:

• Differentiated strategy: The focus on product differentiation allows them to target specific market segments and meet the special needs of customers.
• International market expansion: By entering the international market, they can increase their brand influence and expand their business scope.
• Cost - effective products: The low - cost performance of their products makes them more attractive to price - sensitive customers.

10. Anhui Jinhua Chemical Co., Ltd.

Anhui Jinhua Chemical Co., Ltd. is an important player in the chemical industry in Anhui province. The company has a large production scale and a wide range of product applications.

They have a comprehensive R & D and production system. The R & D team is constantly working on improving the performance of their silicone free defoamers, while the production department ensures the efficient and stable production of products.

The company also provides comprehensive technical support to its customers. Whether it is pre - sales consultation or after - sales technical guidance, they can offer professional services.

Features of Silicone Free Defoamers:

• Multi - functional defoaming: Their defoamers not only eliminate foam but also have some additional functions, such as anti - static properties in some plastic - processing applications.
• Good stability in different pH ranges: They can maintain their defoaming performance in a wide range of pH values, which is important in some chemical - processing or wastewater treatment processes where the pH may vary.
• Low toxicity: They are relatively low in toxicity, making them suitable for use in some applications where safety is a concern, such as in the food - contact industry.

Advantages of the Company:

• R & D and production integration: The comprehensive R & D and production system allows them to quickly transform R & D results into actual products and ensure the supply of high - quality products.
• Technical support: The comprehensive technical support helps customers solve various problems related to defoamer use, improving customer satisfaction.
• Safety and environmental friendliness: The low - toxicity of their products makes them more in line with the current market requirements for safety and environmental protection.

Conclusion

The top 10 silicone free defoamer manufacturers in China in 2025, including Chongqing ACME Tech. Co., Ltd. and the other nine companies, all have their own unique features and advantages. These companies cover a wide range of aspects, from product performance and quality control to innovation ability and market expansion.

In terms of product performance, the defoamers produced by these companies have various excellent features such as high - efficiency defoaming, good compatibility, and long - lasting defoaming effect. They can meet the different needs of various industries, including food, beverage, coating, pulp and paper, and many others.

In terms of company advantages, some companies have strong R & D capabilities, which enable them to develop new and improved products; some have strict quality control systems to ensure the reliability of their products; and others have good customer service and market - expansion strategies to gain a larger market share.

Overall, these manufacturers play a crucial role in the silicone free defoamer industry in China. They not only contribute to the development of domestic industries by providing high - quality defoamers but also have the potential to expand their influence in the international market with their advanced technologies and products. As the demand for silicone free defoamers continues to grow in various industries, these companies are expected to further innovate and develop, promoting the continuous progress of the entire industry.