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The Potential of Ethylene Bis Stearamide in Improving Concrete Adhesion

by:Sainuo     2023-09-13


Ethylene bis stearamide (EBS) is a versatile additive that has gained significant attention in the field of construction, particularly in improving concrete adhesion. As the demand for durable and high-performance concrete increases, there is a growing need for advanced additives that can enhance the bond between concrete and various substrates. This article explores the potential of EBS in improving concrete adhesion and its various applications in the construction industry.

Understanding Concrete Adhesion

Before delving into the potential of EBS, it is crucial to understand the concept of concrete adhesion. Concrete adhesion refers to the ability of concrete to bond with other materials or substrates, such as steel, wood, or other concrete surfaces. Strong adhesion is vital for ensuring structural integrity and longevity of concrete structures. However, poor adhesion can result in a range of issues, including cracking, delamination, and reduced durability.

The Role of Ethylene Bis Stearamide

Ethylene bis stearamide, a synthetic wax-like substance, offers exceptional properties that make it an ideal additive for improving concrete adhesion. It functions as a lubricant, mold release agent, and anti-blocking agent in various industries. In the construction sector, EBS acts as a bond enhancer and provides excellent adhesion between different substrates and concrete.

Benefits of Ethylene Bis Stearamide in Concrete Adhesion

1. Enhanced Bond Strength: EBS improves the bond strength between concrete and various materials, promoting better adhesion and reducing the risk of premature failures.

2. Improved Flexural Strength: By enhancing the bond between concrete and reinforcement materials, such as steel bars, EBS enhances the flexural strength of concrete structures, making them more resistant to bending and cracking.

3. Reduced Water Absorption: EBS reduces the porosity of concrete, minimizing water absorption. This property is particularly crucial in structures exposed to harsh weather conditions or areas with high moisture content.

4. Increased Chemical Resistance: EBS enhances concrete's resistance to chemicals, including alkalis, acids, and salts present in the surrounding environment. This makes it suitable for various applications, such as wastewater treatment plants and industrial facilities.

5. Enhanced Durability: The improved adhesion provided by EBS ensures enhanced durability, reducing the need for future repairs or maintenance. It also increases the lifespan of concrete structures, making them more cost-effective in the long run.

Applications of Ethylene Bis Stearamide in Construction

1. Bonding of Precast Concrete Elements: EBS is widely used in the production of precast concrete elements, such as wall panels, beams, and columns. It improves the bond between precast elements and the cast-in-place concrete, ensuring a seamless connection.

2. Concrete Repair and Rehabilitation: EBS is an essential additive in concrete repair and rehabilitation applications. It improves the bond between the new and existing concrete surfaces, providing a durable repair solution.

3. Shotcrete Applications: Shotcrete, a sprayable form of concrete, often requires enhanced adhesion for applications such as tunnel linings or soil stabilization. EBS improves the adhesion of shotcrete to the substrate, ensuring proper bonding and structural integrity.

4. Self-Leveling Floor Systems: Self-leveling concrete is commonly used in commercial and industrial floor applications. By incorporating EBS, the adhesion between the self-leveling concrete and the substrate is significantly improved, resulting in a smoother and more durable floor surface.

5. Waterproofing Systems: EBS is a valuable component in waterproofing systems. By enhancing the adhesion of waterproofing membranes to concrete substrates, it prevents water intrusion and protects the structural integrity of buildings and underground structures.


Ethylene bis stearamide (EBS) demonstrates immense potential in improving concrete adhesion in various applications. Its ability to enhance bond strength, flexural strength, and chemical resistance makes it a valuable additive in the construction industry. From precast concrete elements to waterproofing systems, EBS offers numerous benefits that contribute to the durability and longevity of concrete structures. Adopting EBS as an additive can significantly improve the overall performance and quality of concrete, ensuring safer and more sustainable construction practices.

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