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Metal adhesives

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Parker Chomerics CHO-FOIL CCK Shielding Tape
Categories: Polymer; Adhesive; Tape
Material Notes: Conductive Adhesive Tin-plated 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 PropertiesOriginal ValueComments
Thickness 1.50 milAdhesive thickness
 1.60 milFoil thickness
 3.10 milTotal
 
Mechanical PropertiesOriginal ValueComments
Peel Strength 2.90 pliASTM D1000
 4.90 pli
@Temperature 85.0 °C		95% RH; ASTM D1000
 3.20 pli
@Temperature 121 °C,
Time 605000 sec		ASTM D1000
 4.20 pli
@Temperature 85.0 °C,
Time 605000 sec		ASTM D1000
 4.80 pli
@Time 605000 sec		Salt fog corrosion; ASTM D1000
Taber Abrasion, mg/1000 Cycles <= 12500 gram weight. CS-10 wheel; CHO-TP-57
 
Electrical PropertiesOriginal ValueComments
Surface Resistance <= 0.0020 ohmInitial Surface Resistivity (SR); CHO-TP-57
 <= 0.0020 ohmInitial through resistivity (TR); CHO-TP-57
 <= 0.0090 ohmInitial Taber Abrasion; CHO-TP-57
 <= 0.0020 ohm
@Temperature 85.0 °C		95% RH; (SR); CHO-TP-57
 <= 0.0020 ohm
@Temperature 85.0 °C		95% RH; (TR); CHO-TP-57
 <= 0.0020 ohm
@Temperature 85.0 °C,
Time 605000 sec		(SR); CHO-TP-57
 <= 0.0020 ohm
@Temperature 85.0 °C,
Time 605000 sec		(TR); CHO-TP-57
 <= 0.0020 ohm
@Temperature 121 °C,
Time 605000 sec		(SR); CHO-TP-57
 <= 0.0020 ohm
@Temperature 121 °C,
Time 605000 sec		(TR); CHO-TP-57
 <= 0.0020 ohm
@Time 605000 sec		Salt fog corrosion; (SR); CHO-TP-57
 <= 0.0020 ohm
@Time 605000 sec		Salt fog corrosion; (TR); CHO-TP-57
Surface Resistivity per Square <= 0.0030 ohm[ohm/in2]; <.0005 ohm/cm2; MIL-STD-202C
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 205 °C
Minimum Service Temperature, Air -40.0 °C
 
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. Tin-Plated Copper

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PCHOME066 / 28288

Metal adhesives




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