Fosroc Conplast SP430

Conplast SP430 is a chloride free, superplasticising admixture based on selected sulphonated napthalene polymers. It is supplied as a brown solution which instantly disperses in water. Main uses: - To provide excellent acceleration of strength gain at early ages and major increases in strength at all ages by significantly reducing water demand in a concrete mix. - Particularly suitable for precast concrete and other high early strength requirements. - To significantly improve the workability of site mixed and precast concrete without increasing water demand. - To provide improved durability by increasing ultimatestrengths and reducing concrete permeability. - Major increases in strength at early ages without increased cement contents are of particular benefit in precast concrete, allowing earlier stripping times. Advantages: - Major increases in strength at early ages without increased cement contents are of particular benefit in precast concrete, allowing earlier stripping times. - Makes possible major reductions in water:cement ratio which allow the production of high strength concrete without excessive cement contents. - Use in production of flowing concrete permits easier construction with quicker placing and compaction and reduced labour costs without increasing water content. - Increased workability levels are maintained for longer than with ordinary sulphonated melamine admixtures. - Improved cohesion and particle dispersion minimises segregation and bleeding and improves pumpability. - Chloride free, safe for use in pre-stressed and reinforced concrete. - Brand: Fosroc - Technical datasheet available on request.