CAS No.: | 13463-67-7 |
---|---|
Formula: | TiO2 |
EINECS: | 236-675-5 |
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Item | Index | |
TiO2 content,%(m/m) ≥ | 98 | |
Whiteness(compared with first class standard sample listed in GB1706-93) |
No less than | |
Scattering power, %(compared with first class standard sample listed in GB1706-93) ≥ |
100 | |
Volatile matters at 105°C,%(m/m) ≤ | 0.5 | |
PH value of water suspension | 6.8~7.3 | |
Oil absorption value,g/100g ≤ | 25 | |
Residue on the sieve (45um mesh),%(m/m) ≤ | 0.05 | |
Electrical resistance of aqueous extract,Ωm ≥ | 30 | |
Water absorption value, g/100g ≤ | 28 | |
Water dispersible power,% ≥ | 80 | |
Iron content ,ppm ≤ | 40 | |
Index controlled by the company Gardner of dry power | L ≥ | 100.0 |
b | -0.60~-0.20 |
Item | Index | |
Inorganic surface treatment | SiO2,AL2O3 | |
Organic surface treatment | Yes | |
TiO2 content,%(m/m) ≥ | 93 | |
Brightness ≥ | 94.5 | |
Tint reducing power,Reynolds number,TCS ≥ | 1800 | |
Volatile matters at 105°C,%(g/100g) ≤ | 0.6 | |
Water soluble,% ≤ | 0.5 | |
pH value of water suspension | 6.5~8.5 | |
Oil absorption value,%(m/m) ≤ | 20 | |
Electrical resistance of aqueous extract,Ωm ≥ | 80 | |
Residue on the sieve(45um mesh),%(m/m) ≤ | 0.02 | |
Rutile content,% ≥ | 98.0 | |
Whiteness,(Compared with standard sample) | No less than | |
Oil dispersible power,(Hegemann number) ≥ | 5.0 | |
Index controlled by the company Gardner of powder | L ≥ | 99.8 |
b ≤ | 1.70 |