... Min. % 98 Colour (compared with that of the standard sample) Not lower than Lightening power (compared with that ... of the standard sample) Min. % 100 Matter volatile at 105°C Max ... /C.Industrial grade:80%,85%,90%,92%,95%,96%, 97%,98%,99%,99.5%, 99.7%, 99.8%, ... -01 AnataseTitanium Dioxide TiO2 99.7% 98% 97% General grade, Ceramic grade, Enamel grade