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Metal adhesives

Parker Chomerics CHO-FOIL CCH Shielding Tape
Categories: Polymer; Adhesive; Tape
Material Notes: Conductive Adhesive Copper Foil

Description: Chomerics’ CHO-FOIL® tapes are an economical EMI shielding solution for a variety of commercial uses. The tapes are available in copper, aluminum, or tinned copper foil backed with Chomerics’ highly conductive pressure-sensitive adhesive.

Typical Applications: Provide a low impedance connection between a braided cable shield and the metal connector backshell in molded cables. An effective EMI shielded assembly can be achieved without soldering the tape to the braid or backshell; EMI radiation measurement troubleshooting, using CHO-FOIL tape to shield ventilation slots or seam gaps; Provide electrical continuity in seams of EMI shielded rooms and electronic enclosures; Supply electrical contact to surfaces that can’t be soldered to, such as conductive plastic or aluminum; EMI shield for cables by wrapping the tape around the cable. An overlap is recommended; ESD shielding; Provide corrosion-resistant ground contact points; Fabric tape available where weight and flexibility are important, such as for wrapping cables.

Information provided by Chomerics
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Physical PropertiesMetricEnglishComments
Thickness 35.6 microns1.40 milFoil thickness
 38.1 microns1.50 milAdhesive thickness
 73.7 microns2.90 milTotal
 
Mechanical PropertiesMetricEnglishComments
Peel Strength 0.491 kN/m2.80 pliInitial; ASTM D1000
 0.631 kN/m
@Temperature 85.0 °C,
Time 605000 sec		3.60 pli
@Temperature 185 °F,
Time 168 hour		ASTM D1000
 0.631 kN/m
@Temperature 121 °C,
Time 605000 sec		3.60 pli
@Temperature 250 °F,
Time 168 hour		ASTM D1000
Taber Abrasion, mg/1000 Cycles <= 6.0<= 6.0500 gram weight. CS-10 wheel; CHO-TP-57
 
Electrical PropertiesMetricEnglishComments
Surface Resistance <= 0.0020 ohm<= 0.0020 ohmInitial Surface Resistivity (SR); CHO-TP-57
 <= 0.0030 ohm<= 0.0030 ohmInitial through resistivity (TR); CHO-TP-57
 <= 0.0060 ohm<= 0.0060 ohmInitial Taber Abrasion (SR); CHO-TP-57
 <= 0.010 ohm
@Temperature 85.0 °C,
Time 605000 sec		<= 0.010 ohm
@Temperature 185 °F,
Time 168 hour		(SR); CHO-TP-57
 <= 0.010 ohm
@Temperature 121 °C,
Time 605000 sec		<= 0.010 ohm
@Temperature 250 °F,
Time 168 hour		(SR); CHO-TP-57
 <= 0.016 ohm
@Temperature 85.0 °C,
Time 605000 sec		<= 0.016 ohm
@Temperature 185 °F,
Time 168 hour		(TR); CHO-TP-57
 <= 0.070 ohm
@Temperature 121 °C,
Time 605000 sec		<= 0.070 ohm
@Temperature 250 °F,
Time 168 hour		(TR); CHO-TP-57
Surface Resistivity per Square <= 0.0030 ohm<= 0.0030 ohm[ohm/in2]; <.0005 ohm/cm2; MIL-STD-202C
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 205 °C401 °F
Minimum Service Temperature, Air -40.0 °C-40.0 °F
 
Descriptive Properties
Adhesion to Aluminum >40 oz./inchASTM D1000
Adhesive TypeElectrically Conductive, Pressure-Sensitive Acrylic
Flame Resistance (UL Subject 510)Pass
Foil/Fabric Type1 oz. RA Copper

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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Copper, Cu; Annealed

PCHOME063 / 28285

Metal adhesives




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