UltraCare™ Grout Refresh is a nonflammable, ready-to-use, water-based, polymer-modified colorant and sealer for grout joints. It can be applied onto and bonds to cement, epoxy, urethane and acrylic grouts.
For more information, visit: https://www.mapei.com/us/en-us/products-and-solutions/products/detail/ultracare-grout-refresh