Info |
White powder,surface treated with Al+Si,non-toxic,easy to disperse. It has high brightness and
whiteness,good tint reducing power and covering power.
It also possesses good weather resistance and aging resistance.
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Item
|
Standard |
1st Grade |
Regular Grade |
|
1 |
TiO2,%(m/m)
≥ |
90.0 |
|
2 |
Color (as compared with reference standard) |
Not lower than |
Slightly lower than |
|
3 |
Whiteness of dry powder Wg ≥ |
91.0 |
89.0 |
|
4 |
Tint reducing power (as compared with reference standard) ≥ |
100 |
90 |
|
5 |
Volatile at 105°C %(m/m)
≤ |
1.0 |
|
6 |
Volatile at 105°C after 24h stay at (23±2)°C/RH (50±5)%,%(m/m)
≤ |
1.5 |
|
7 |
Water soluble substances,%(m/m) ≤ |
0.3 |
0.5 |
|
8 |
pH value of aqueous suspension |
6.5-8.0 |
6.0-8.5 |
|
9 |
Oil absorption,g/100g ≤ |
23 |
26 |
|
10 |
Residue on sieve 45μm,%(m/m)
≤ |
0.08 |
0.20 |
|
11 |
Resistance of aqueous extract,Ωm ≥ |
50 |
|
12 |
Rutile content,% ≥ |
98 |
97 |
Application:in exterior plastic products,PVC profiles,mid to high-concentration latex paints,non-glossy wall coatings and papers. Also suitable for
hard PVC containing lead stabilizer. |
