OXT X300 RepellerX300 Repeller is an invisible surface protection treatment for concrete, masonry, and some natural stone substrates. A water based formulation spray applied to new and existing substrates providing stain resistance from oils and other contaminants, compatible with line marking paints and other coating products. A low VOC treatment which penetrates concrete and chemically bonds to the silica, providing temporary hydrophobic repellence. Dries to a clear