Costar Block 20

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.