... -67-7 2. Appearance: white powder 3. Certification: ISO 9001, SGS, CIQ 4. Good brightnes Specification ItemIndexTiO2 content ... of tio2 rutile: White powder, Insoluble in water, Soluble in hot and concentrated strong acid and strong base ... in paint, ink, paper, plastic, rubber, artificial fiber, welding, ceramics, electronics, building materials, etc tio2 powder in bulk r128(Certification: ISO ...