Magnetite for Video tape
- Company Name:Saehan Media Co.,Ltd.
- Membership:Free Member
- Registration Date:2003. 12.19
- Country/Region:Korea
- City:Seoul
- Contact:James Jee
- Related Keywords:Audio tape, Cassette
Saehan Media Co.,Ltd.
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- Magnetite for Video tape
Contact us
Saehan Media Co.,Ltd.
[Korea]
- Address
- Saehan Bldg 254-8, Gongduck-dong, Mapo-gu, Seoul
- Phone
- 82-2-32797700
- Contact name
- James Jee
Description
Magnetite for video tape
|
EP-288MK |
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. |
 |
|
Items
|
Unit
|
Data
|
|
Hc (Coercivity)
|
Oe
|
60
|
|
σr (Remained Magnetization)
|
emu/g
|
85
|
|
TD (Tap Density)
|
g/ml
|
5.0
|
|
AD (Apparent Density)
|
g/ml
|
0.75
|
|
SA (Solvent Absorption)
|
ml/g
|
2.72
|
|
pH
|
-
|
6.0
|
|
BET (Specific Surface)
|
m2/g
|
8.5
|
|
EP-350MS
|
EP-350MS improved recording density of video
tape through granulating particles. Also, its high % of Fe2+ allowed high
generating power. |
 |
|
Items
|
Unit
|
Data
|
|
Hc (Coercivity)
|
Oe
|
655
|
|
σr (Remained Magnetization)
|
emu/g
|
84
|
|
TD (Tap Density)
|
g/ml
|
0.85
|
|
AD (Apparent Density)
|
g/ml
|
0.53
|
|
SA (Solvent Absorption)
|
ml/g
|
0.78
|
|
pH
|
-
|
8.6
|
|
BET (Specific Surface)
|
m2/g
|
30
|
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