... Dioxide(nano-tio2,nanometer tio2) for cosmetic(Rutile Nano-titanium Dioxide Sunscreen,Additive,Doping) Nature and purpose:1) ... Nation's present standard GB/T 95912004. Rutile Nano-titanium Dioxide(nano-tio2,nanometer tio2) for cosmetic(Rutile Nano-titanium Dioxide Sunscreen,Additive,Doping)