CN-4490 3M, CN-4490 Datasheet
CN-4490
Manufacturer Part Number
CN-4490
Description
COPPER-COAT FABRIC TAPE 9.8"X10"
Manufacturer
3M
Type
Shieldingr
Datasheet
1.CN-4490.pdf
(2 pages)
Specifications of CN-4490
Featured Product
Thermal Interface Materials
Shape
Tape
Thickness - Overall
0.002" (0.05mm)
Width
9.8" (249mm)
Length
10.0" (254.0mm)
Adhesive
Acrylic, Conductive
Product
Tape
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Temperature Range
-
Lead Free Status / Rohs Status
RoHS Compliant part
Other names
00051128576021
05112857602
3M4490E
80611442023
CN4490
05112857602
3M4490E
80611442023
CN4490
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
3M
Double-Coated Conductive
Description
Applications
Shielding
Effectiveness
Typical Properties
Technical information provided consists of typical product data and should not be used for
specification purposes. Unless otherwise noted, all tests are performed at room temperature.
Physical
Data Sheet
™
Fabric Tape CN-4490
3M™ Fabric Tape CN-4490 is a conductive, non-woven fabric and unique electrically
conductive pressure-sensitive acrylic adhesive.
CN-4490 tape is typically used for applications requiring excellent electrical conductivity
from the substrate through the adhesive to the conductive backing. Common uses
include grounding and EMI shielding equipment, components, shielded rooms, etc.
The unique and thin metallized backing offers the additional benefits of excellent flexibility
and conformability, very light weight, and exceptional strength. The conductive backing
also helps minimize the possibility of finger lacerations.
Many factors determine the true shielding effectiveness of a shielding tape, including
type and thickness of foil adhesive type, intimacy of contact, smoothness of
application surface, strength and frequency of the EMI signal, etc.
Color
Adhesive
Type of Backing
Total Thickness (backing plus adhesive)
Liner Thickness
Breaking Strength
Adhesion Strength
(ASTM D1000
Property (Test Method)
unless noted)
1 of 2
Grey
Conductive acrylic
Copper/Nickel coated conductive non-woven fabric
5.8 mils (0,14 mm)
35 lb/in (16 kgf/25 mm)
40 oz/in (1000 gf/25 mm)
2.0 mils (0,05 mm)
US units (metric)
Typical Value
October 2008
3
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CN-4490 Summary of contents
Page 1
... Fabric Tape CN-4490 Double-Coated Conductive Data Sheet Description 3M™ Fabric Tape CN-4490 is a conductive, non-woven fabric and unique electrically conductive pressure-sensitive acrylic adhesive. Applications CN-4490 tape is typically used for applications requiring excellent electrical conductivity from the substrate through the adhesive to the conductive backing. Common uses include grounding and EMI shielding equipment, components, shielded rooms, etc ...
Page 2
... Fabric Tape CN-4490 Double-Coated Conductive Typical Properties Electrical Electrical Resistance Through Adhesive 1 MIL-STD-202 Method 307 maintained at 5 psi (3,4 N/cm2) measured over in area. Conductive particles in the adhesive provide the electrical path between the application substrate and the foil backing. • ...