Costar Block 20

Costar Block 20 is a fast setting, 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 compatible with all types of Portland cement.

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Description

Costar Block 20 is a fast setting, 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 compatible with all types of Portland cement.

Benefits

  • Reduced moisture absorption and shrinkage
  • Improved workability, finish and appearance
  • Improved strength
  • Increased production rate thereby saving cost.

Mixing

Add Costar Block 20 to the mixing water to for maximum performance

Dosage

Costar Block is generally dosed at a rate of 0.8-1.0liter per 100kg of total cementitious material. Trial mixes should be conducted on specific materials to determine optimum dose rates.

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