|
¡¡Items
|
Indexes
|
|
|
Excellent
grade
|
First
grade
|
Qualified
grade
|
|
¡¡TIO2%
Min
|
98.0
|
98.0
|
98.0
|
|
¡¡Color:(as compared with standard sample)
|
Closely similar
|
No less
|
Elementary errors
|
|
¡¡Hiding power% Min
|
100
|
100
|
90
|
|
¡¡Matter volatile at 105¡æ% Max
|
0.5
|
0.8
|
1.0
|
|
¡¡Matter volatile
¡¡at 105¡æ% in the condition of 23¡æ¡À2¡æ
¡¡and relative
¡¡humidity(50¡À5)% after 24 hours
|
0.5
|
0.5
|
0.5
|
|
¡¡Matter soluble in water % Max
|
0.4
|
0.5
|
0.6
|
|
¡¡PH in aqueous extract
|
6.5-8.0
|
6.0-8.0
|
6.0-8.5
|
|
¡¡Oil absorption value g/100g Max
|
22
|
26
|
28
|
|
¡¡Residue on sieve 45¦Ìm Max
|
0.05
|
0.1
|
0.3
|
|
¡¡Resistivity in aqueous extract ¦¸m
Min
|
30
|
20
|
16
|
