AX-Y4 Anatase grade Titanium Dioxide is manufactured by sulfuric acid process used in Masterbaatch with surface treatment.After its surface is treated,and It is ground again.its particle size is finnest and up to micron,which makes Brightness,gloss and hiding better.It has well-distributed and finnest particle size,exellent optical performance,strong refrangibility,high inting strength and low oil absorption.