OPTIMIX RM740 Repair Mortar is a premium quality pre-mixed, shrinkage-compensated mortar made from selected cements, graded aggregates, lightweight fillers, polymers and special additives. When water is added, it readily blends to produce a medium weight mortar of good consistency for repair purposes. The low water demand of the mortar ensures high early strength and provides other important material properties for reinstatement of concrete elements. OPTIMIX RM740 fully complies with the requirements of HKHA Class 40 repair mortar system and is certified under "HKCI Product Conformity Certification Scheme for Repair Mortars (PCCS-RM)".