MasterFlow 525 - Pre-bagged, flowable, pumpable, non-shrink, non-segregating, impermeable grout
MasterFlow 525 is a ready to use product in powder form, which requires only the on-site addition of water to produce a non-shrink flowable grout.
MasterFlow 525 is formulated for use as pumpable free flow grout for post tensioned and pre stressed cable ducts. It is also used with confidence for grouting and void filling operations such as void filling between old and new concrete or pipes, and fixing anchors or bolts in concrete or rock.
• Pumpable in vertical and overhead grouting.
• Shrinkage compensated.
• Controlled expansion without producing undue pressure against sides in confined areas.
• Maintains high water retention.
• High flowability with reduced water content.
• Increased strength and good bond to concrete.
• Reduced bleed water.
• Improved impermeability.