Overview of Concrete Foaming Agent

Concrete foaming agents are substances that lower the surface tension of a solution, allowing gases like air to be uniformly dispersed throughout the mixture, creating a stable foam. This foam is then incorporated into concrete or mortar to produce lightweight, cellular concrete with improved insulation properties and reduced density. These agents are essential in applications requiring materials with high strength-to-weight ratios and excellent thermal insulation.

Features of Concrete Foaming Agent

Stability: Produces a durable foam that remains stable during mixing and curing processes.

Uniformity: Ensures even distribution of bubbles for consistent material properties.

Density Reduction: Significantly reduces the weight of concrete without compromising structural integrity.

Thermal Insulation: Enhances the insulative properties of concrete, making it ideal for energy-efficient construction.

Versatility: Compatible with various types of cementitious materials, suitable for diverse construction applications.

Environmental Impact: Often contributes to greener building solutions by reducing the amount of raw materials needed.

(Concrete Antifoaming Agent Phosphoric Acid Triisobutyl Ester C12H27O4P)

Specifications of Concrete Antifoaming Agent Phosphoric Acid Triisobutyl Ester C12H27O4P

Phosphoric Acid Triisobutyl Ester (C12H27O4P) is a high-performance antifoaming agent specifically formulated for use in concrete mixtures to suppress foam formation during mixing, pumping, or pouring. Its organophosphate ester structure ensures compatibility with cementitious systems while effectively reducing air entrainment, which can compromise concrete strength and durability.

**Chemical Properties:** The molecular formula is C12H27O4P, with a molecular weight of approximately 266.3 g/mol. It is an organophosphate ester derived from the reaction of phosphoric acid with isobutyl alcohol, resulting in a compound with low viscosity and high thermal stability.

**Physical Properties:** The product typically appears as a clear to pale yellow liquid with a mild odor. It has a density of around 1.02–1.08 g/cm³ at 25°C and a boiling point above 250°C, ensuring stability under concrete processing conditions. It is insoluble in water but miscible with most organic solvents, enabling easy integration into admixture formulations.

**Performance Characteristics:** This antifoaming agent offers rapid defoaming action, even at low dosages (0.01–0.1% by weight of cement). It maintains efficiency across a wide pH range (2–12) and temperature spectrum (5–80°C), making it suitable for diverse climatic conditions. Its chemical inertness ensures compatibility with polycarboxylate ethers (PCEs), lignosulfonates, and other common concrete additives without affecting slump retention or setting time.

**Application Guidelines:** Ideal for ready-mix concrete, precast elements, and self-compacting concrete (SCC), it is added directly during batching or mixing. Uniform dispersion is critical; pre-dilution with water or solvents may be required for precise dosing.

**Safety & Handling:** The product is classified as non-flammable but may cause mild skin or eye irritation. Use PPE (gloves, goggles) during handling. It is environmentally compliant with REACH and OSHA standards. Spills should be contained using absorbent materials and disposed of per local regulations.

**Storage:** Store in sealed containers away from direct sunlight and moisture at temperatures between 10°C and 40°C. Shelf life is 12–18 months from production. Avoid contact with strong oxidizers or acids to prevent decomposition.

This antifoaming agent enhances concrete quality by minimizing voids, improving compressive strength, and ensuring surface finish integrity, making it a reliable choice for construction projects demanding high-performance materials.

(Concrete Antifoaming Agent Phosphoric Acid Triisobutyl Ester C12H27O4P)

Applications of Concrete Antifoaming Agent Phosphoric Acid Triisobutyl Ester C12H27O4P

Concrete Antifoaming Agent Phosphoric Acid Triisobutyl Ester (C12H27O4P) is a specialized chemical additive designed to control and eliminate foam formation during concrete production and application. As a high-performance antifoaming agent, it addresses the challenges posed by entrapped air bubbles, which can compromise the structural integrity, durability, and surface finish of concrete. This organophosphate compound works by destabilizing foam layers, ensuring a homogeneous mix with optimal density and reduced porosity.

**Key Applications:**
1. **Ready-Mix Concrete:** Enhances workability and consistency by preventing foam during mixing and transportation, ensuring uniform quality in large-scale projects like highways and commercial buildings.
2. **Precast Concrete:** Improves surface smoothness and dimensional accuracy in prefabricated elements such as panels, beams, and pipes, critical for aesthetic and structural requirements.
3. **Self-Leveling Concrete:** Reduces air entrapment in fluid mixes, enabling even spreading and minimizing voids for flawless floors and coatings.
4. **Pumped Concrete:** Mitigates foam during high-pressure pumping, preventing blockages and maintaining flow efficiency for vertical or long-distance placements.
5. **Repair Mortars and High-Performance Concrete:** Ensures low porosity in critical applications like bridges or marine structures, boosting resistance to water ingress and corrosion.

**Benefits:**
– **Strength and Durability:** Reduces micropores, enhancing compressive strength and longevity.
– **Surface Quality:** Delivers smooth, defect-free finishes for architectural concrete.
– **Compatibility:** Works synergistically with plasticizers, accelerators, and other admixtures without interfering with setting times.
– **Efficiency:** Effective at low dosages (0.01–0.1% by weight), offering cost savings and ease of integration.
– **Versatility:** Performs reliably across varying temperatures and mix designs, suitable for global climates.

**Environmental and Safety Considerations:**
Phosphoric Acid Triisobutyl Ester is formulated to meet industrial safety standards. It is non-toxic at recommended doses and poses minimal environmental risk when handled properly. Storage in sealed containers away from extreme heat ensures stability and extended shelf life.

In modern construction, this antifoaming agent is indispensable for achieving high-quality, resilient concrete structures. Its ability to optimize air content while maintaining compatibility with diverse mix designs makes it a vital tool for engineers and contractors aiming to meet stringent performance and aesthetic standards.

Company Introduction

Welcome to Footprintbooks, a leading supplier in the international market for high-quality concrete admixtures. Our extensive product range includes superplasticizers, waterproofing agents, accelerators, and more, designed to meet diverse construction needs. With cutting-edge technology and stringent quality control, we ensure our products enhance durability, workability, and sustainability of concrete structures. Committed to excellence, we serve customers across the globe, offering tailored solutions and exceptional service. Partner with us for reliable and innovative concrete admixture solutions that build the foundations of tomorrow’s world.

If you have any questions, please feel free to contact us(nanotrun@yahoo.com).

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of Concrete Antifoaming Agent Phosphoric Acid Triisobutyl Ester C12H27O4P

What is Phosphoric Acid Triisobutyl Ester (C12H27O4P) in concrete antifoaming agents? Phosphoric Acid Triisobutyl Ester is an organophosphate compound used as a defoamer in concrete mixtures. It works by reducing surface tension in air-entrained bubbles, causing them to collapse. This prevents excessive foam formation during mixing or pumping, ensuring better workability, density, and structural integrity of cured concrete.

How does Phosphoric Acid Triisobutyl Ester improve concrete quality? By eliminating excess air bubbles, it minimizes voids and honeycombing in hardened concrete. This enhances compressive strength, durability, and surface finish. It also improves the efficiency of other admixtures by preventing foam interference, ensuring consistent mix performance even under high-shear conditions like pumping or vibration.

Is Phosphoric Acid Triisobutyl Ester safe for use in concrete? Yes, when handled according to safety guidelines. It is non-toxic in cured concrete but requires careful handling in its concentrated form. Wear gloves and eye protection to avoid skin or eye irritation. Ensure proper ventilation during application, and follow local regulations for chemical disposal to minimize environmental impact.

What is the recommended dosage for this antifoaming agent? Typical dosage ranges from 0.1% to 0.5% by weight of cement, depending on foam severity and mix design. Overuse can reduce air content excessively, affecting freeze-thaw resistance. Conduct small-scale trials to determine the optimal dose for your specific concrete mix, accounting for factors like temperature, mixing time, and other admixtures.

Can Phosphoric Acid Triisobutyl Ester be used with other concrete additives? Yes, it is compatible with most admixtures, including plasticizers, superplasticizers, and accelerators. However, test compatibility beforehand, as some surfactants or air-entraining agents might interact. Sequential addition during mixing is advised—add antifoaming agents after other additives to avoid interference with their performance. Store separately from strong acids or bases to maintain stability.

(Concrete Antifoaming Agent Phosphoric Acid Triisobutyl Ester C12H27O4P)