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Your Professional Antifoam Agent Supplier

 

Since its establishment in 2010, Sinolook has been deeply involved in the energy and chemical sectors and has become one of the leading base oil and petrochemical traders in China and Asia. In the niche field of fine chemicals, we have a deep understanding of the characteristics and application scenarios of each type of product.

 
 
Why Choose Us

Reliable Global Logistics

We integrate international logistics resources to build a cross-border supply chain network covering major ports, and can provide flexible logistics solutions such as door-to-door, multimodal transportation, warehousing and distribution according to customer needs to ensure that goods arrive safely and on time to global destinations.

Integrated solution

We are committed to providing global customers with accurate, efficient and reliable integrated solutions for fine chemical procurement and logistics.

 

 

Fast Response & Professional Support

Our experienced sales and logistics teams provide responsive communication, technical assistance, and efficient service support throughout every stage of cooperation.

Strict Quality Control

We Comprehensive supplier evaluation and quality inspection procedures ensure product consistency, compliance, and reliable performance throughout the supply chain.

 

What is Antifoam Agent

 

 

An antifoam agent (or defoamer) is a chemical additive used to prevent or eliminate the formation of foam in liquid systems. It works by rapidly reducing surface tension and film elasticity, causing bubbles to destabilize and collapse on contact.

 

Specification

 

Parameter

Standard Value

Significance

Appearance

Colorless to pale yellow transparent liquid

Free of visible impurities or sediment

Active Content

30% – 100% (neat or diluted in base oil)

Determines effective treat rate in finished lubricant

Silicon Content

< 1 ppm (detection limit)

Certified silicon-free - safe for Si-sensitive specs

Kinematic Viscosity @ 40°C

50 – 2,000 mm²/s (grade-dependent)

Influences dispersion and compatibility in base oil

Flash Point (COC)

≥ 180°C

Safe for high-temperature lubricant blending

Density (20°C)

0.85 – 1.05 g/cm³

Grade-dependent; good miscibility with base oils

Effective Treat Rate

50 – 500 ppm (in finished lubricant)

Optimized per formulation via bench test

Shelf Life

24 months (sealed, cool & dry storage)

Stable long-term quality assurance

 

 

Major Types of Antifoam Agent

Silicone-Based Defoamers
These are fast-acting and work at very low concentrations. They contain silicone oils and hydrophobic silica. They are widely used in paints, inks, coatings, wastewater treatment, fermentation, and pulp and paper processing.

 

Mineral Oil-Based Defoamers
These are economical and suitable for many chemical systems. They are commonly used in detergents, construction chemicals, and textile processing.

 

Water-Based Defoamers
These are emulsions designed for waterborne systems. They are used in water-based paints, adhesives, latex systems, and cleaning chemicals. They offer smooth, controlled defoaming.

 

Non-Silicone Defoamers
These are used in sensitive applications where silicone contamination must be avoided, such as automotive coatings, metal finishing, and electronics-related processes.

 

Polymer-Based Defoamers
These provide long-term foam control in high-shear environments. They are useful in continuous production systems and industrial chemical processes.

 

Powder Defoamers
These are used in products such as powder coatings, cement additives, powdered detergents, and dry mix of construction materials.

Polydimethylsiloxane (PDMS)

 

Advantages of Antifoam Agent

Enhanced Productivity

Antifoaming agents eliminate foam, allowing processes to run smoothly and consistently. This results in increased production rates and higher overall efficiency. Whether in chemical manufacturing or food processing, minimizing downtime due to foam-related issues translates to substantial time and cost savings.

 

Improved Product Quality

Foam can adversely affect the quality of various products, such as paints, coatings, and beverages. Antifoaming agents ensure that the final product meets or exceeds quality standards by preventing foam-related defects.

Extended Equipment Lifespan

Foam accumulation in equipment can lead to corrosion and premature wear. Antifoaming agents protect industrial machinery by preventing the formation of foam and its corrosive effects.

nvironmental Compliance

Many antifoaming agents are formulated to be environmentally friendly. By choosing eco-friendly defoamers, companies can align with sustainability goals and comply with environmental regulations.

Cost Efficiency

While antifoaming agents may seem like an additional expense, their cost is outweighed by the benefits they bring in terms of increased productivity, improved product quality, and reduced maintenance costs.

 

How Anti Foaming Agents Work

 

Rapid spreading

The agent spreads across the foam surface and weakens the bubble structure.

01

Displacement of surfactants

It pushes out foam-stabilising molecules, allowing bubbles to collapse.

02

Rupturing of bubbles

Hydrophobic particles present in some defoamers help puncture the foam film.

03

Prevention of new foam

After breaking the existing foam, the agent creates a thin, temporary barrier that stops new bubbles from forming.

04

Insolubility

Many defoamers remain slightly incompatible with the liquid. This helps them act more effectively on the foam layer.

05

 

 
Applications Across Industries ofAntifoam Agent
 
01/

Pharmaceutical Industry
In pharmaceutical manufacturing, maintaining strict process control is essential. During the production of vaccines, antibiotics, and other formulations, foam can hinder mixing and fermentation processes. Antifoam agents are used to ensure smooth operation, preserve sterile conditions, and enhance final product quality.

02/

Food and Beverage Industry
Foam is commonly encountered in food processing—especially in brewing, dairy production, and sauces manufacturing. Using food-grade antifoam agents helps prevent overflow and ensures consistency in texture, taste, and appearance. This leads to higher productivity, improved hygiene, and reduced product loss.

03/

Chemical Manufacturing
Chemical production often involves reactions that release gases, resulting in foam. Excessive foam can interfere with chemical reactions and equipment efficiency. Antifoam agents help maintain process stability, reduce downtime, and increase yield by controlling foam-related disruptions.

04/

Water Treatment and Industrial Cleaning
Foam can also pose problems in water treatment systems, especially in aeration tanks, cooling towers, or during surfactant-heavy cleaning processes. Specialized antifoam formulations ensure smooth operation and help facilities meet environmental discharge regulations.

 

 

FAQ

 

 

Q: Is anti-foaming agent safe?

A: Antifoaming agents safely and effectively reduce problems with foam in all stages of food and beverage production, processing and packaging. Acting as both antifoams and defoamers, they address issues like impact efficiency, overflowing vessels, productivity and cost.

Q: What does an antifoaming agent do?

A: A defoamer or an anti-foaming agent is a chemical additive that reduces and hinders the formation of foam in industrial process liquids. The terms anti-foam agent and defoamer are often used interchangeably. Strictly speaking, defoamers eliminate existing foam and anti-foamers prevent the formation of further foam.

Q: What is an anti-foaming agent made of?

A: As mentioned, most commercial antifoaming agents consist of an oil-in-water emulsion with suitable solid particles in the drops. Moreover, drops containing paraffin oil or triglyceride oil often contain paraffin or triglyceride crystals, respectively, which tend to form a solid network, as depicted in fig.

Q: What is another name for an antifoaming agent?

A: A defoamer or an anti-foaming agent is a chemical additive that reduces and hinders the formation of foam in industrial process liquids. The terms anti-foam agent and defoamer are often used interchangeably.

Q: What are the common antifoaming agents?

A: There are many antifoaming agents available on the market, with the most popular being constructed from various oils (like mineral oil), fatty alcohols (like stearyl alcohol), polydimethylsiloxanes (such as silicones), silicone surfactants, fatty acids, esters, ethers, and glycols.

As one of the most professional antifoam agent manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy high-grade antifoam agent made in China here from our factory. For price consultation, contact us.

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