English to Arabic Tech/Engineering Engineering (general)

Usually this is buffed off the surface after the grout has achieved its initial 12 to 24 hour cure. The removal of the haze is often difficult when buffing with a clean rag or floor machine. Cementitious grout haze can be successfully removed with sulfamic acid, which is a mild acid that attacks and breaks down cement smears. There are several products on the market called grout haze removers, which usually contain sulfamic acid. Sulfamic acid can also be purchased in powder form and mixed with water to different strengths by qualified professionals.