One-component cementitious mortar to be used as an adhesive primer before manually applying Sewament 10. Sewament 3 Primer is used to improve the bonding of Sewament 10 to the substrate when the repair work is carried out manually with a trowel or a float. Sewament 3 Primer must always be used as a scratch coat when manually repairing: – vaults, concrete and masonry walls and floors of sewerage systems; – water purification plants; – canals for collecting black water of zootechny industries. Sewament 3 Primer is made up of special hydraulic binders, special selected graded aggregates, water retaining additives. Sewament 3 Primer is resistant to the chemical aggression produced by sulphuric acid following the bacterial oxidization of the acid as the result of the anaerobic fermentation of civil and industrial liquids. Sewament 3 Primer mixed with water becomes a fluid mortar, easily applied with a brush or sprayed on the concrete substrate previously saturated with water. Once hardened it ensures Sewament 10’s excellent bonding to the substrate. Apply Sewament 10 onto the fresh surface of Sewament 3 Primer.
Consumption approximately 1.8 kg/m2 per mm of thickness.