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Costar Block 10 is a biodegradable admixture for masonry blocks specifically designed for manufacturing of hollow blocks. It provides a more efficient utilization of mixing water thereby enhancing workability, moldability and appearance of the masonry unit. it is designed for use with zero or low slump concrete commonly used in the manufacture of masonry blocks and is compatible with all types of Portland cement. Costar Block 10 exhibit improved enhanced cohesion, moldability, and increased early age strength when added to a mortar mix. It functions by improving more efficiently the utilization of mixing water thus aiding the dispersion of cement particles. Costar Block 10 can be utilized where an improvement in appearance of the masonry unit is required.
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Costar Block 20 is a rapid-setting, environmentally friendly admixture intended for masonry blocks, specially formulated for the production of hollow blocks. It optimizes the usage of mixing water, resulting in improved workability, moldability, and overall appearance of the masonry units. This admixture is compatible with all varieties of Portland cement. it is designed for use with zero or low slump concrete commonly used in the manufacture of masonry blocks and is compatible with all types of Portland cement. Costar Block 20 exhibit improved enhanced cohesion, moldability, and increased early age strength when added to a mortar mix. It functions by improving more efficiently the utilization of mixing water thus aiding the dispersion of cement particles. Costar Block 20 can be utilized where an improvement in appearance of the masonry unit is required.
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Costar Light Crete is a concentrated liquid admixture for producing foamed concrete that is lightweight and is able to flow for long distances under its own hydraulic head. Costar Light Crete is used to produce a consistent pre-foam concrete that is stable under alkaline conditions. It is suitable for use in the production of foamed concrete that is light in weight, highly mobile, low density concrete and mortar. The light weight concrete produce using Costar Light Crete can be used in void filling, roof screeds and trench reinstatement.
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CostarMix CR presents an effective remedy for preserving concrete integrity against chloride-induced corrosion, thus prolonging the durability of reinforced concrete structures. Within the alkaline milieu of concrete, an intrinsic ferric oxide shield naturally forms on embedded reinforcing steel, guarding it against corrosion. By reintroducing the protective layer on the steel surface, the CostarMix CR admixture significantly retards the corrosion process in reinforcement. The incorporation of nitrite ions within CostarMix CR admixture serves a pivotal function in forestalling the creation of ferrous chloride complexes. These nitrite ions proactively interact with defective ferrous oxide ions, preempting chloride-triggered corrosion and stabilizing the passive layer, thereby curtailing the risk of corrosion.
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CostarMix C AIR Entraining admixture operates by generating tightly packed, small, and highly stable bubbles within the concrete mix, resulting in improved workability. Furthermore, this admixture enhances the concrete’s durability, making it more resistant to the damaging effects of freezing and thawing.
This specially formulated admixture contains a reduced amount of active materials, making it suitable for situations where small dosages of air-entraining admixtures are required. Additionally, it enables air entrainment even in stiffer concrete mixes, providing versatility in its application.
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