Beton Ontskuimmiddel

Introduction to Concrete Defoaming Agent

Concrete defoamers are admixtures designed to suppress and eliminate excess bubbles in concrete. They reduce the surface tension of the liquid film, prompting bubbles to collapse or coalesce quickly, thereby reducing porosity in the concrete and improving the density and surface quality of the structure. They are suitable for all types of concrete projects requiring low air content and high durability.

Features of Concrete Defoaming Agent

Highly Efficient Defoaming: Quickly eliminates large and micro bubbles generated during mixing and construction.

Strong Stability: Maintains stable performance in alkaline concrete environments and is not prone to failure.

Excellent Compatibility: Can be used in conjunction with common concrete admixtures (such as water reducers and air-entraining agents) without conflict.

Environmentally Friendly and Safe: Non-toxic and pollution-free, meeting green building material standards.

Advantages of Concrete Defoaming Agent

Improves Concrete Strength: Reduces air bubbles and porosity, enhances density, and significantly improves compressive strength and impermeability.

Improves Surface Quality: Eliminates surface defects such as honeycombing and roughness, resulting in a smoother and flatter concrete.

Improve durability: Reduce porosity, minimizing damage to structures caused by external factors like freeze-thaw cycles and corrosion.

Save costs: Reduce rework and repairs due to air bubbles, improving construction efficiency.

Applications of Concrete Defoaming Agent

Ensure smooth surfaces and high precision for precast concrete components (such as piles, blaaie, and box beams).

High-performance concrete (such as self-compacting concrete and bare concrete) meets high-standard appearance requirements.

Enhance fluidity and final setting quality for shotcrete and grouting materials.

Prevent defects caused by air bubbles in industrial flooring and decorative concrete.

Maatskappy profiel

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Packing & Shipping

Packing: 25kg/bag, 200 kg/barrel, 1000 kg/barrel, or as your request.
Shipping: could be shipped out by sea, by air, by express as soon as possible once payment receipt.

5 FAQs About Concrete Defoaming Agent

V: Does defoamer affect the fluidity of concrete?

A: At the appropriate dosage, it will not negatively affect fluidity. In fact, it may improve workability by reducing air bubbles.

V: How is the appropriate defoamer dosage determined?

A: This needs to be determined through testing. The recommended dosage is generally 0.1%-0.5% of the total weight of the cementitious material, adjusted based on air bubble conditions.

V: Can defoamers be used with air-entraining agents simultaneously?

A: Ja, but care must be taken to ensure compatibility and proper dosage balance to avoid excessive defoaming or air-entraining failure.

V: Does defoamer affect the setting time of concrete?

A: Oor die algemeen, there is no significant effect, but it is recommended to conduct tests to verify the synergistic effect with other admixtures.

V: Are defoamers suitable for concrete exposed to high temperatures?

A: Ja, high-quality defoamers are resistant to high temperatures and are suitable for high-temperature mixing and construction applications.