Fatty Acid Ester Defoamer

Overview

Foam is a common and often problematic byproduct in numerous industrial processes, leading to reduced production efficiency, quality defects, and operational bottlenecks. At CanCastor, we offer advanced solutions to combat this challenge, and our Fatty Acid Ester Defoamers stand out as highly effective and versatile antifoaming agents, engineered to mitigate persistent foam issues across a wide spectrum of industrial applications.

Our Fatty Acid Ester Defoamers are sophisticated chemical formulations derived from the esterification of fatty acids with various alcohols, including glycerol, sorbitan, and polyglycols. This specific chemical structure imparts an optimal hydrophilic-lipophilic balance (HLB), allowing them to effectively destabilize the lamellar structure of foam bubbles by reducing surface tension and promoting coalescence. Unlike silicone-based defoamers, ester-based variants often offer superior compatibility with organic systems and present advantages in terms of biodegradability and broader regulatory acceptance, making them a preferred choice for sensitive applications such as food processing and pharmaceuticals. CanCastor leverages its deep expertise in oleochemistry to produce defoamers that perform reliably even in challenging conditions, from high-shear mixing to high-temperature environments.

At CanCastor, our commitment to E-E-A-T (Experience, Expertise, Authoritativeness, Trustworthiness) is embedded in every product. Our Fatty Acid Ester Defoamers are developed by seasoned industrial chemists with decades of experience in surfactant and oleochemical technology. We ensure rigorous adherence to ISO 9001:2015 quality management systems and Good Manufacturing Practices (GMP), guaranteeing consistent product performance and purity. From fermentation broths in the biotechnology sector to effluent treatment in heavy industry, our defoamers deliver measurable improvements in operational efficiency and product quality, helping our clients reduce downtime and maintain compliance with stringent industry standards. Explore our full range of solutions in our full catalog.

Key Physical & Chemical Properties

Our Fatty Acid Ester Defoamers are designed for optimal performance, characterized by the following typical specifications:

• Appearance: Clear to slightly hazy yellowish liquid
• Acid Value (mg KOH/g): ≤ 5.0 (ASTM D1980)
• Saponification Value (mg KOH/g): 170 – 190 (ASTM D1962)
• Iodine Value (g I₂/100g): ≤ 3.0 (ASTM D1959)
• Specific Gravity (25°C): 0.950 – 0.980
• Viscosity (cP @ 25°C): 50 – 200 (Brookfield LVT, Spindle 2, 60 rpm)
• Flash Point (°C): > 150 (Closed Cup)
• Pour Point (°C): Typically below 0°C
• pH (10% aqueous dispersion): 5.0 – 7.0