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EP-288MK is able to keep excellent picture quality despite
thin film coating due to high % of Fe2+ from magnetite
particles covered with cobalt and great remained magnetization.
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| ITEMS |
UNIT |
Spec' |
EP-288MK |
| Hc (Coercivity) |
Oe |
670~700 |
685 |
| Br |
- |
- |
- |
| ¥òr (Remained Magnetization) |
emu/g |
82.5~85.5 |
84.2 |
| SR |
- |
- |
0.46 |
| ¼öºÐ |
% |
0.65¡é |
0.45 |
| pH |
- |
8.00~9.00 |
8.60 |
| SA (Solvent Absorption) |
§¢/g |
0.48~0.58 |
0.53 |
| TD |
g/§¢ |
0.80~1.00 |
0.924 |
| BET (Specific Surface) |
m2/g |
22.0~25.0 |
23.6 |
| Fe2+ |
% |
15.5~18.5 |
17.5 |
| CoÅõÀÔ% |
% |
- |
- |
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EP-350MS improved recording density of video tape through
granulating particles. Also, its high % of Fe2+ allowed
high generating power. |
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| ITEMS |
UNIT |
DATA |
| Hc (Coercivity) |
Oe |
655 |
| ¥òr (Remained Magnetization)
|
emu/g |
84 |
| TD (Tap Density) |
g/§¢ |
0.85 |
| AD (Apparent Density) |
g/§¢ |
0.53 |
| SA (Solvent Absorption) |
§¢/g |
0.78 |
| pH |
- |
8.6 |
| BET (Specific Surface) |
m2/g |
30 |
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