ISO2008 Inspection
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Anatase:
Item Result
Tio2%min 99.2
Tint reducing powder(contrast to the standard sample)(%) 100
Whiteness(contrast to the standard sample) Close
Matter Solulble in Water(%) 0.5
PH of aqueous suspension 6.5-8.0
Residue on Sieve(%)max 0.10
Oil absorption(%)max 26
Water content(105)(%)max 0.5
Volatile content(105 after 23 M24h(%)max 0.5
Resistivity in water extraction min 30

Rutile
Item Chemical analysis
Titanium dioxide(TiO2)wt%≥ 98
Alumina(Al2O3)wt%≤ 1.7
Organic Treatment,wt%,carbon 0.3
Specific Gravity 4.2
PH ＞4.0
Relative density ＞3.6
Oil Absorption(g/100g) 18-22

Resistivity of water extract≥ 80 m
Retained on 325 Mesh≤ 0.05%
Water solubility insoluble
Undertone Tint Very blue(+0.028~+0.032
Tint Strength Very high(+109~+110)
Dispersibility in:Thermoplastics
Dry Blending Operations Excellent
Excellent