|
Non Toxic Anticorrosive Pigments in Powder
| Attributes |
|
|
| Cr calc. as CrO3
|
24 - 27 %
|
/
|
| Zn calc. as ZnO |
/
|
50.5 - 52.0 % 1)
|
| P calc. as P2O5 |
44 - 48 %
|
47 - 50 % 1)
|
| Cl- |
max. 0.05 %
|
max. 0.05 %
|
| SO42- |
max. 0.1 %
|
max. 0.1 %
|
| loss on ignition (600 ° C) |
26 - 29 %
|
8 - 16 %
|
| moisture |
max. 7 %
|
max. 0.2 %
|
| conductivity |
max. 500 µS cm-1
|
120 µS cm-1
|
| pH value |
5.5 - 6.5
|
6.0 - 8.0
|
| oil absorption |
65 ± 10 %
|
20 ± 10 %
|
| residue on sieve (45 µm mesh) |
max. 0.2 %
|
max. 0.2 %
|
| median particle size |
max. 2 µm
|
max. 8 µm
|
| mean fraction |
max. 3 µm
|
max. 8 µm
|
| fineness |
max. 50 µm
|
max. 35 um
|
| fastness to heat |
120 ° C |
180 ° C
|
| tamped density |
0.8 kg/l |
0.9 kg/l |
| Attributes |
(co-precipitated, phosphate based)
|
(co-precipitated, phosphate based)
|
| Zn calc. as ZnO |
63.6 % 1)
|
46.8 % 1)
|
| P calc. as P2O5 |
26 - 27 % 1)
|
47 - 49 % 1)
|
| Ca calc. as CaO |
/
|
12 - 16 %
|
| Cl- |
max. 0.05 %
|
max. 0.05 %
|
| SO42- |
max. 0.1 %
|
max. 0.1 %
|
| loss on ignition (600 ° C) |
max. 10 %
|
max. 10 %
|
| moisture |
max. 1 %
|
max. 1 %
|
| conductivity |
max. 250 µS cm-1
|
max. 250 µS cm-1
|
| pH value |
6.5 - 7.5
|
7.0 - 8.5
|
| oil absorption |
25 ± 10 % |
25 ± 10 % |
| residue on sieve (45 µm mesh) |
0.03 %
|
0.02 %
|
| median particle size |
max. 6 µm
|
max. 4 µm
|
| mean fraction |
max. 7 µm
|
max. 5 µm
|
| fineness |
max. 50 µm
|
max. 20 µm
|
| BET |
n.a.
|
8.9 m2/g
|
| fastness to heat |
160 ° C |
160 ° C
|
| tamped density |
0.6 kg/l |
0.6 kg/l |
| Attributes |
(co-precipitated, phosphate based)
|
(co-precipitated, phosphate based)
|
| Zn calc. as ZnO |
50.3 % 1)
|
50.5 % 1)
|
| P calc. as P2O5 |
34 - 36 % 1)
|
28 - 30 % 1)
|
| Mo calc. as MoO3 |
1.0 %
|
/
|
| Cl- |
max. 0.05 %
|
max. 0.05 %
|
| SO42- |
max. 0.1 %
|
max. 0.1 %
|
| loss on ignition (600 ° C) |
max. 10 %
|
max. 10 %
|
| moisture |
max. 1 %
|
max. 1 %
|
| conductivity |
max. 250 µS cm-1
|
max. 250 µS cm-1
|
| pH value |
7.0 - 8.5
|
7.0 - 8.5
|
| oil absorption |
25 ± 10 %
|
25 ± 10 % |
| residue on sieve (45 µm mesh) |
0.02 %
|
0.02 %
|
| median particle size |
max. 5 µm
|
max. 4 µm
|
| mean fraction |
max. 6 µm
|
max. 20 µm
|
| fineness |
max. 20 µm
|
max. 20 µm
|
| BET |
11.4 m2/g
|
11.8 m2/g
|
| fastness to heat |
160 ° C |
160 ° C
|
| tamped density |
0.6 kg/l |
0.6 kg/l |
1) according to ISO 6745:1990
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