Standard classification( ISO 591-1)---------------------------R1
TiO2 content ( ISO 591-1)------------------------≥98.5%
Rutile transformation rate--------------------------------≥97.0%
105℃ volatile under package( ISO 787-2)--------------≤0.7%
Residue on sieve of 45μm ( ISO 787-18)----------- ----≤0.03%
Resistivity Ω.m ( ISO 787-14)-----------------≥100
PH---------------------------------------6.0-8.5
Tinctorial Powder---------------------------≥1750
Oil Absorption g/100g( ISO 787-5)--------- -≤17.0
Specific gravity g/cm3 (ISO 787-10) -----------4.2
Whiteness of oil system( L ＊) ----------------98.0
Hue( b＊ )----------------------------------------1.53