Index Name(Rutile)	Technical requirements
TiO2 %≥	92.0
Brightness %≤	95.0
Volatile at 105℃ %≤	0.8
PH Value	6.5-8.0
Oil absorption g/100g≤	23
Residue(45μm) %≤	0.05
Tint-reducing power ≥	1820
Rutile content ≥	98
Ωm ≥	80
Lightening power ≥	100
Whiteness(compared with the standard sample) %	similar