Standard classification( ISO 591-1)---------------------------R2
TiO2 content ( ISO 591-1)------------------------≥94.0%
Rutile transformation rate--------------------------------≥98.0%
105℃ volatile under package( ISO 787-2)--------------≤0.3%
Residue on sieve of 45μm ( ISO 787-18)----------- ----≤0.03%
Resistivity Ω.m ( ISO 787-14)---------------------≥100
PH------------------------------------------------------6.0-8.5
Tinctorial Powder-----------------------------------≥1950
Oil Absorption g/100g( ISO 787-5)---------------- -≤20.0
Specific gravity g/cm3 (ISO 787-10) ---------------4.0
Whiteness of oil system( L ＊) ---------- -----------98.5
Hue( b＊ )-------------------------------------------------1.20