Items |
Index |
TYR232 |
TYR231 |
Content of TiO2 , %(m/m) ≥ |
92.0 |
98.0 |
Color(compared with standard sample) |
No worse than |
No worse than |
Eleminating color power(compared with standard sample) ≥ |
100 |
100 |
105 o C volatile component,%(m/m) ≤ |
0.80 |
0.5 |
After preprocess under 23+/ -2C and relative humidity (50+/-5)% for 24 hours, volatile component at 105oC,%(m/m) ≤ |
1.5 |
0.5 |
Soluble substance in water, %(m/m) ≤ |
0.5 |
0.6 |
PH value of suspended substance in water |
6.0-8.5 |
6.0-8.5 |
Oil absorption, (g/ 100g ) ≤ |
22 |
24 |
45µm residue on sieve, %(m/m) ≤ |
0.05 |
0.05 |
Resistance value of water liquid extract, Ωm ≥ |
60 |
20 |
Content of Rutile(%) = |
97 |
96 |
