Perma constructions aids private ltd. Offers modern construction chemicals to cater to all critical applications in the civil engineering industry. Perma mra manufactured by the company is a chemical release agent suitable for shutters and moulds. Clean release gives a fair faced concrete surface. Perma mra is suitable for all types of shutters and moulds. It can be applied to steel, timber, plywood, plastic and rubber moulds. The salient features of perma mra are,