... max0.1tio2 rutile: Characters of tio2 rutile: White powder, Insoluble in water, Soluble in hot and concentrated strong acid and strong base, ... of pigment. Main appliance/uses of tio2 rutile: widely used in paint, ink, paper, plastic, rubber, artificial fiber, welding, ceramics, ... electronics, building materials, etc Titanium Dioxide(Soluble in hot and concentrated strong acid )