Costar Block 20
Costar Block 20 is a fast-setting, biodegradable admixture for masonry blocks specifically designed for the manufacturing of hollow blocks. It provides 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.
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.
