Leitfähige O-Ringe aus Gummi

Serie

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The Jointed O-rings are practically the same as the Conductive O-profiles, however this is a turnkey closed O-ring. They are used where environmental and EMI screening is required but where little space is available.

These cores can be covered with metallized fabric foils or made out of conductive rubber. For optimal shielding performance a compression of 5-10% is recommended for solid elastomers and 10-50% for hollow extrusions and cell rubbers.

Technical details
Conductive material Conductive fabric Amucor Graphite Nickel graphite Silver aluminium
Operating temperature - - +160 +160 +160
Range °C - - -50 -55 -55
Colour Grey Silver Black Dark grey Beige
Shore hardness (A +/-) ASTM D2240 - - 60 60 65
Volume resistivity (ohms) ASTM D991 - - 2.2 0.04 0.008
Specific gravity (+/- 0.25) - - 2.0 2.0 2.0
These values are measured under laboratory conditions.
In other situations, results may differ; please read our Guarantee.

7900 series o profiles

conductive o-ring technical drawing
Material options
Material Code Core Cover
11 Neoprene Amucor foil
12 Neoprene Conductive fabric
21 Silicone Amucor foil
22 Silicone Conductive fabric
41 EPDM Amucor foil
42 EPDM Conductive fabric
53 Silvered particles filled
silicone rubber		 -
54 Nickel filled silicone rubber -
55 Graphite filled silicone -
Standard dimensions
Part number A
mm		 B
mm
7910-6.6-1.8 6.6 1.8
7910-7.5-1.2 7.5 1.2
7910-9.2-1.8 9.2 1.8
7910-10.5-1.4 10.5 1.4
7910-11.3-1.3 11.3 1.3
7910-12.5-1.8 12.5 1.8
7910-12.7-2.5 12.7 2.5
7910-14.0-1.8 14.0 1.8
7910-16.1-1.6 16.1 1.6
7910-17.2-1.8 17.2 1.8
7910-18.8-1.8 18.8 1.8
7910-19.2-2.5 19.2 2.5
7910-20.3-1.8 20.3 1.8
7910-21.9-1.8 21.9 1.8
7910-23.4-3.5 23.4 3.5
7910-25.1-1.8 25.1 1.8
7910-25.4-6.4 25.4 6.4
7910-28.6-1.8 28.3 1.8
7910-31.5-1.8 31.5 1.8
7910-34.6-2.6 34.6 2.6
7910-34.7-1.8 34.7 1.8
7910-37.8-2.6 37.8 2.6
7910-40.9-2.6 40.9 2.6
7910-44.1-2.6 44.1 2.6
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