Taizhou Tianma Plastic Products Co. LTD , https://www.tztmslepp.com (A) General industrial requirements titanium ore General industrial requirements for titanium ore Table 1 Ore type Boundary grade Industrial grade Primary ore, TiO 2 % Rutile ≥2 ≥3~4 Titanium magnetic iron ore ≥5~6 ≥6~8 Sand mine, mineral kg / m 3 Rutile ≥1 ≥2 Ilmenite ≥10 ≥15 (2) Titanium concentrate quality standard Titanium concentrate quality standard Table 2 Quality Standard TiO 2 ,% TEe, % Impurity content, % P 2 O 5 S SiO 2 Ministerial standard First level >40 <35 <0.08 <0.5 <0.3 Secondary >40 <35 <0.10 <0.5 <0.3 Third level >40 <35 <0.12 <0.5 <0.3 National standard 45 35 <0.08 <0.5 <0.3