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Metal adhesives

Parker Chomerics CHO-FAB CFT Shielding Tape
Categories: Polymer; Adhesive; Tape
Material Notes: Conductive Adhesive Nickel-Plated Fabric

Description: CHO-FAB® tape is a corrosion resistant nickel-plated cloth coated with Chomerics’ highly conductive pressure-sensitive adhesive. CHO-FAB® tape is extremely strong and lightweight, and has excellent conformability/wrapability to enhance shielding performance and appearance. Use of corrosion resistant nickel-plated cloth and Chomerics’ superior metal-particle-filled conductive adhesive technology produces a tape used in a wide variety of EMI shielding and grounding applications.

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 38.1 microns1.50 milAdhesive thickness
 127 microns5.00 milFabric thickness
 165 microns6.50 milTotal
 
Mechanical PropertiesMetricEnglishComments
Peel Strength 0.491 kN/m2.80 pliInitial; ASTM D1000
 0.508 kN/m
@Temperature 85.0 °C		2.90 pli
@Temperature 185 °F		95% RH; ASTM D1000
 0.473 kN/m
@Temperature 121 °C,
Time 605000 sec		2.70 pli
@Temperature 250 °F,
Time 168 hour		ASTM D1000
 0.649 kN/m
@Temperature 85.0 °C,
Time 605000 sec		3.70 pli
@Temperature 185 °F,
Time 168 hour		ASTM D1000
 0.368 kN/m
@Time 605000 sec		2.10 pli
@Time 168 hour		Salt fog corrosion; ASTM D1000
Taber Abrasion, mg/1000 Cycles <= 350<= 350500 gram weight. CS-10 wheel; CHO-TP-57
 
Electrical PropertiesMetricEnglishComments
Surface Resistance <= 0.10 ohm<= 0.10 ohmInitial Surface Resistivity (SR); CHO-TP-57
 <= 0.10 ohm<= 0.10 ohmInitial through resistivity (TR); CHO-TP-57
 <= 0.10 ohm<= 0.10 ohmInitial Taber Abrasion; CHO-TP-57
 <= 0.10 ohm
@Temperature 85.0 °C		<= 0.10 ohm
@Temperature 185 °F		95% RH; (SR); CHO-TP-57
 <= 0.15 ohm
@Temperature 85.0 °C		<= 0.15 ohm
@Temperature 185 °F		95% RH; (TR); CHO-TP-57
 <= 0.10 ohm
@Temperature 85.0 °C,
Time 605000 sec		<= 0.10 ohm
@Temperature 185 °F,
Time 168 hour		(SR); CHO-TP-57
 <= 0.10 ohm
@Temperature 121 °C,
Time 605000 sec		<= 0.10 ohm
@Temperature 250 °F,
Time 168 hour		(SR); CHO-TP-57
 <= 0.15 ohm
@Temperature 121 °C,
Time 605000 sec		<= 0.15 ohm
@Temperature 250 °F,
Time 168 hour		(TR); CHO-TP-57
 <= 0.15 ohm
@Temperature 85.0 °C,
Time 605000 sec		<= 0.15 ohm
@Temperature 185 °F,
Time 168 hour		(TR); CHO-TP-57
 <= 0.10 ohm
@Time 605000 sec		<= 0.10 ohm
@Time 168 hour		Salt fog corrosion; (SR); CHO-TP-57
 <= 1.0 ohm
@Time 605000 sec		<= 1.0 ohm
@Time 168 hour		Salt fog corrosion; (TR); CHO-TP-57
Surface Resistivity per Square <= 0.10 ohm<= 0.10 ohm[ohm/in2]; <.016 ohm/cm2; MIL-STD-202C
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 82.0 °C180 °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
Foil/Fabric TypeNickel-Plated Fabric

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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Parker Chomerics CHO-FAB CRS Shielding Tape

PCHOME069 / 28291

Metal adhesives




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