It features good fineness, large specific surface, good anti-reduction property and high specific inductive capacity. Content of impurities should be strictly controlled. It can be widely used in porcelain capacitor, piezoceramics, transparent electrooptical ceramics etc.

 

 Quality Index Q/JMT005-2008

 

Item

 

TiO₂,%(m/m)≥98.5

Fe₂O₃,%(m/m)≤0.08

Sulphur(S),%(m/ m)≤0.06

 SiO₂,%(m/m)≤0.20

 Phosphorus(P),%(m/ m)≤0.05

Al₂O₃,%(m/m)≤0.10

 MgO,%(m/m)≤0.20

K₂O⁺ Na₂O,%(m/m)≤0.20

Density%,(g/cm³) ≥3.9

Fineness(45μm residue on sieve),%(m/m)≤0.30

Specific surface(cm²/g),10000~14000

1000°C loss on ignition, %(m/m)≤0.5