Usage:
- Freeze-Thaw Protection: Ideal for concrete exposed to freezing and thawing conditions, such as exterior pavements, driveways, and foundations.
- Ready-Mix Concrete: Used in the production of ready-mix concrete for both residential and commercial projects, ensuring durable, workable mixes.
- Precast Concrete: Helps improve the performance of precast elements, providing added protection against environmental stress.
- Construction in Cold Climates: Excellent for use in cold-weather concreting, where air entrainment is critical for preventing freeze-thaw damage.
- Concrete Finishing: Improves the workability and finishability of concrete, reducing the likelihood of cracking and segregation during application.
Application:
SikaControl® AIR-160 is added directly to the concrete mix during the batching process. The recommended dosage depends on the specific air content required, as well as the ambient temperature and environmental conditions. Typically, it is dosed between 0.05% to 0.15% by weight of cement. Always follow the manufacturer’s guidelines to ensure the proper dosage and achieve the desired air content in the final concrete mix.
Steps for application:
- Mixing: Add SikaControl® AIR-160 to the concrete mix along with other admixtures.
- Air Content Monitoring: Ensure that the correct air content is achieved by monitoring the concrete mix. Adjust dosage if necessary.
- Concrete Pouring: Apply the air-entrained concrete for pouring, ensuring uniformity throughout.
- Curing: Properly cure the concrete to achieve maximum durability and strength.
Coverage Advantage:
- Improved Freeze-Thaw Resistance: The entrained air helps create an air void system within the concrete, preventing cracking and damage caused by freeze-thaw cycles.
- Enhanced Workability: Increases the workability of the concrete, making it easier to mix, place, and finish without segregation or bleeding.
- Improved Durability: In addition to freeze-thaw resistance, air entrainment helps improve resistance to deicing salts, chlorides, and abrasion.
- Cost-Effective: Helps reduce the need for additional cement or additives while improving the overall quality and longevity of the concrete.
- Versatile Applications: Suitable for a wide range of concrete applications, from residential to large-scale commercial and infrastructure projects.
Characteristics:
- Type: Air-entraining admixture
- Appearance: Clear to slightly yellow liquid
- Density: Approximately 1.05 g/cm³ (at 20°C)
- Compatibility: Compatible with most other Sika admixtures, including water-reducers and accelerators.
- Dosage Range: 0.05% to 0.15% by weight of cement (depending on desired air content and environmental conditions)
- pH Value: 3.0 to 6.0
- Application Temperature: Can be used in concrete mixes with temperatures ranging from -5°C to +35°C.
- Freezing Point: Avoid exposure to freezing temperatures before mixing.
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