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PCA ® -VIII is a new generation superplasticiser based on modified polycarboxylic ether.
It is formulated to provide maximum water reduction, increased early strength, and improved finishing characteristics.
PCA ® - VIII does not contain formaldehyde, calcium chloride or any other intentionally added chlorides and will not
initiate or promote the corrosion of steel present in the concrete.
Features and Benefits
High range water reduction: PCA ® - VIIIcan be dosed in small amounts to obtain water reduction from 15 to 30%,
and will achieve water reduction up to 45% at high dosage rates.
High Plasticity: The superplasticizing action of PCA ® - VIIIprovides high slump, flowing concrete that maintains
excellent workability and may be placed with minimal vibration even at very low water cement ratio as low as 0.25.
High compressive strengths: Increase the compressive strengths of concrete by 50-120% at the age of 3 days, 80% at the age of 28 days and 30-50% at the age of 90 days.
High durability: Effectively improves the frost resistance and carbonation resistance of the concrete. Lower drying shrinkage of the concrete by 20% or more compared to naphthalene-based admixture.
High compatibility: Compatible with a far greater range of cement types and mineral admixtures. Particularly fit for the preparation of high durability concret7± 1e and self compacting concrete with fly ash and ground slag. Improve surface appearance.
The addition rate of PCA ® - VIII superplasticiser can vary with the technical requirement for the concrete and ambient weather condition. The normal dosage ranges from 0.1% to 0.5% by total weight of cementitious materials.
|Appearance||Light yellowish viscous liquid|
|Solid content/wt. %||40± 1|
|Density; 20º C||1.10± 0.02|
|pH value||7± 1|
|Chloride content/%||Below 0.01|
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