POLYMER MODIFIED CONCRETE AND MASONRY REPAIR MORTAR PRIME TEK R-3 is single component shrinkage compensated cementitious repair mortar with added fiber for extra strength and life. This high strength reinstatement mortar is fiber reinforced and blended with cement, graded silica and special co polymers for excellent durability. Application Prime Tek is aptly used for repair of damaged, decayed and weak concrete. It can also be used for replacement of chipped or cracked concrete. It is also used for replacement of concrete suffering from acid attacks and attacks of chlorides or sulphates. For extra strength, it is advisable to add Bustan PVA Bond along with the powder. Coverage Thickness of 40mm at one pass on vertical and overhead surfaces. Color Grey Standards ASTM C-387 77A Product Code R 3 Packaging 20 Kg Bag. Shelf Life 12 Months from the date of production