Miracote MPC 7011-HARDNAT 55 lb Bag Natural Gray Hard Powder MPC Multipurpose Protective Coating is a polymerized, two component, cementitious resurfacing and protective coating that can be applied over a variety of surfaces including concrete, masonry, metal, wood and tile. It consists of a unique rubber-like polymer liquid that is mixed with a proprietary cement and aggregate blend containing aluminum oxide for superior abrasion resistance in the most severe environments. Miracote MPC Hard is then typically applied in two or more coats by trowel, brush, roller, or notched squeegee and back roll.