... /100g) max23PH of aqueous suspension6.5-8.0Resistivity in water extraction min30Residue on Sieve 45μ(%)max0.1tio2 rutile ... Characters of tio2 rutile: White powder, Insoluble in water, Soluble in hot and concentrated strong acid and strong base ... widely used in paint, ink, paper, plastic, rubber, artificial fiber, welding, ceramics, electronics, building materials, etc competitive price titanium dioxide ...