Perma constructions aids private ltd. Offers modern construction chemicals to cater to all critical applications in the civil engineering industry. Master prime cn manufactured by the company is a two component product based on non solvent epoxy base and epoxy hardner. Master prime-cn binds the epoxy products firmly to the cementitious bases. It is used to bind epoxy mortars and flooring products to the concrete base taking care of the porosity of the base and mobilizing the particles of the mortars into the crevices and holes in the base. The salient features of master prime cn are,