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 Table 8-8
Measured Shielding Effectiveness in dB for Solid-Sheet Materials (8-3)
Type
Material
Thickness
Nominal Effectiveness
Wave
0.1 kHz
1 kHz
10 kHz 85 k H z
200 kHz 2 MHz
(mils)
5 MHz 10 MHz
109
106
Cu
2.5
114
Plane
107
Al
109
5.0
118
Plane
97
95
18.0
99
Stainless
Plane
Steel
105
99
101
4.5
Steel
Plane
97
130
AA- Conetic
3.5
Plane
Foil
125.0
8
22
58
Cu
Low
63.0
97
31.0
4
11
120
29
59
4.5
55
34
125.0
5
Al
18
50
Low
63.0
1
16
35
78
31.0
1
10
24
63.0
25
Steel
40
80
Low
31.0
92
4
120
28
59
94
31.0
107
Cu-Clad Steel
Low
Clad 2 Sides
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