![](m-p8.gif)
* Pressure
Sensitive Adhesive available. Dry Back available on Neoprene
Sponge only. Suppplied in 50 ft. rolls.
![](FilterGasket20030527B.JPG)
Example of Composite Double Mesh Gasket
used in RF filter unit
for shielded room application.
Typical Shielding Effectiveness
Performance:
(based on MIL-STD-285)
Frequency |
Field |
SnCuFe
(dB) |
Monel
(dB) |
Aluminum
(dB) |
10 KHz |
H |
44 |
38 |
32 |
100 KHz |
H |
62 |
51 |
45 |
1000 KHz |
H |
79 |
66 |
56 |
1 MHz |
E |
116 |
114 |
100 |
10 MHz |
E |
115 |
112 |
97 |
100 MHz |
E |
107 |
102 |
92 |
1GHz |
P |
94 |
89 |
76 |
10 GHz |
P |
68 |
64 |
56 |
Material Specifications:
|
|
Elastomer: |
Neoprene Sponge (closed cell) MIL-R-6130, Type II, Grade A
Condition Medium
Neoprene Solid MlL-R-6855, Class 2, Grade
40
Silicone Sponge (closed cell) AMS-3195
Solid Silicone
ZZ-R-765, Class 2, Grade 40 |
|
Wire Mesh: |
Monel .0045 diameter per QQ-N-281 SN/CU/FE .0045 diameter per
ASTMB-520 |
|
Optional: |
Aluminum Alloy 5056 .005 diameter per AMS-4182
Ag/Brass
.0045 diameter per QQ-W-321 (3% silver by weight) |
Standard Commercial
thickness of elastomers available. Supply complete drawings for custom made
gaskets. Compression stops within
the gasket are available on finished parts. |