Specification
of Ultramarine Blue
Items |
Grade |
|
464# |
463# |
462# |
461# |
Shade(compared
with the standard sample) |
same
as the standard sample |
Tinting
Strength %(compared with the standard Sample) |
same
as the standard sample 5% |
Water
Soluble Matter % Max. |
0.7 |
0.7 |
1.0 |
1.2 |
Free
Sulphur % Max. |
0.1 |
0.15 |
0.3 |
0.3 |
Moisture
(105 2)% Max. |
1.0 |
1.0 |
1.0 |
1.0 |
Residue
(325 holes Mesh) % Max. |
0.1 |
0.1 |
0.5 |
0.5 |
Oil
Absorption % |
25-45 |
|
|
|
Organic
tint matter |
No |
|
|
|
PH
Value |
6.5-7 |
|
|
|
Specification
of Titanium Dioxide (Anatase Grade)
Item |
Index |
|
|
First
Grade Product |
Qualified
product |
Purity
TiO2 % |
98.0 |
98.0 |
Color
(compared with standard sample) |
comparable |
little
less comparable |
Achromaticity(compared
with standard sample) % |
100.0 |
90.0 |
Volatile
substance at 105 % |
0.5 |
0.5 |
Volatile
substance at 105 , after 24hr
treatment under (23 2) and relative
humidity (50 5)% |
0.5 |
0.5 |
Water
soluble substance % |
0.5 |
0.6 |
PH,
aqueous suspension |
6.5-8.0 |
6.0-8.5 |
Oil
absorption (g/100g) |
26.0 |
28.0 |
residue,
45¦Ý m screen % |
0.10 |
0.30 |
resistance,
aqueous extraction m |
20.0 |
16.0 |
Specification
of Titanium Dioxide (Rutile Grade)
Items |
Indexes |
TiO2 content
% Min |
98.0 |
Rutile content
% Min |
96.0 |
Brightness
% Min |
93.0 |
PH Value |
6.5-8.5 |
Oil absorption
g/100g Max |
20 |
Moisture %
Max |
0.5 |
Dispersion
Hegman Fineness Min. |
3.25 |
Residue Through
Sieve 45 m % Max |
0.1 |
Resistance
In Aqueous Extract cm Min |
1700 |
Specification
of Chrome Oxide Green
Color/Appearance |
Green powder |
|
Tinting strength
% |
100+/-5 |
Note: compared
with standard sample |
Oil absorption
% |
15-25 |
|
Fineness(residue
through 320mesh) % |
max. 0.3 |
|
Water soluble
matter % |
max. 0.3 |
|
Moisture % |
max. 0.2 |
|
Cr2O3 content
% |
min. 99 |
|
Shade |
Similar |
Note: compared
with standard sample |
|