... , Ceramic grade, Enamel grade Type: Anatase Titanium Dioxide TiO2 Min. % 98 Colour (compared with that of the standard sample) Not lower ... with that of the standard sample) Min. % 100 Matter volatile at 105°C Max. % 0.5 Matter soluble in water Max ... /C. Industrial grade:80%,85%,90%,92%,95%,96%, 97%,98%,99%,99.5%, 99.7%, 99.8%, 99.9%Feed ...