Titanium Dioxide Rutile Characteristic： Silicon oxide-aluminum oxide(more silicon less aluminum) coated, strong covering power, good dispersible power,good optical properties, extremely good durability and chalking resistance, good dry powder fluidity. Quality Standard： Item Index Inorganic surface treatment SiO2，AL2O3 Organic surface treatment Yes TiO2 content，﹪（m/m） ≥ 93 Brightness ≥ 94.5 Tint reducing power，Reynolds number，TCS ≥ 1800 Volatile matters at 105℃，﹪（g/100g） ≤ 0.6 Water soluble，﹪ ≤ 0.5 pH value of water suspension 6.5~8.5 Oil absorption value，﹪（m/m） ≤ 20 Electrical resistance of aqueous extract，Ωm ≥ 80 Residue on the sieve（45um mesh），%（m/m） ≤ 0.02 Rutile content，% ≥ 98.0 Whiteness，（Compared with standard sample） No less than Oil dispersible power，（Hegemann number） ≥ 5.0 Index controlled by the company Gardner of powder L ≥ 99.8 b ≤ 1.70 Usage: Suitable for coatings, plastics, plastic steel sectional materials, rubber products, paper making,leather products,automobile surface paintings,automobile refinish paintings,etc. Package: PP woven bag, craft paper bag ,25kg/bag/500kg/bag/1000kg/bag etc .