EMI shielding O rings

Tanggal diterbitkan: 30/08/2017

Deskripsi

products name:
conductive silicone rubber o ring
Usage:
Wireless communication, aerospace, healthcare
Binders:
Silicone
Fillers:
Silver-Plated Glass
process:
Extruding
Tolerance:
Precision
Attenuation:
70 to 90 dB
Intended Applications:
Precision Molded
Pressure Range:
10 to 100 psi
Production Volume:
Prototypes to High Runs
Electrically conductive rubbers are typically used for EMI applications. But they are also useful for EMP protection, wave-guide applications and against static electricity. The rubber can be filled with silver, nickel, silvered glass,
silvered aluminium, or graphite (only for ESD) Commercial EMI applications often choose Nickel-graphite conductive rubber . or Graphite conductive rubber from a costs point of view,
while military and aerospace applications often call for Silver copper silicone conductive rubber to meet
Mil-G-83528C specifications. In military or aerospace, fluorosilicone versions may also be used due to their chemical and
fuel resistance.

As the material shields high frequencies, electrically conductive rubber shows a shielding effect of 60 dB at 30MHz ~ 10GHz. Due to its excellent conductivity, grounding, and EMI shielding effect, it is well suited for military communications equipment. The rubber can be manufactured in various shapes such as sheets, moulded parts, die-cut, strips, o-rings, etc.
Product details of EMI shielding O rings
Product name
EMI shielding O rings
Color
customized
Safety standard

Testing standard

Testing items
Technical index
Method of testing
Measurement value
Hardness (shore A)
70±5

70±5
Density(g/cm3)
1.9±0.25
ASTM792
1.99
Tensile strength(Mpa)
>1.4
ASTM412
1.9
Elongation at break(%)
100~300
ASTM412
168
Operating temperature(℃)
-55~150
Mil-83528
-55~150
Volume resistivity(Ω·cm)
<0.008
Mil-83528
0.0063±0.0003
Volume resistivity after aging test(Ω·cm)
<0.01
Mil-83528
<0.01
Shielding effectiveness(dB)
>90
Mil-83528
>90


The advantage of EMI shielding rubber O rings

1.Excellent conductivity on the entire surface
2.Excellent electromagnetic shielding effect
3.Easy die-cutting, kiss-cutting and slitting
4.Temperature ranges of -60 to +185 ºC (under certain circumstances, tolerance can be up to 220ºC)

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Kota: Heze Diqu

Provinsi: Shandong

Negara: China

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