Kothari Corrosion Controllers manufacture acid proof mastic. It is hot melt type coZrrosion resistant cement in slab shape resists dilute acids, alkalis, salts etc. Acid Proof Mastic is best for heavy duty industrial flooring and brick/tile inter-linear material. Acid Proof Mastic is effective laying system for floors/elevated floors of chemical storage tank-pads in refinery, gas and oil base projects.