3M™ CN4490 is a nonwoven fabric shielding tape, consisting of a nickel copper-coated PET fabric, with dual conductive pressure-sensitive adhesive and single liner. The unique and thin metallised backing offers the additional benefits of excellent flexibility and conformability and exceptional strength. The conductive particles in the adhesive on both sides provides low contact resistance between the substrate and backings to drain static charge.
CU4490 is available in non-standard slit rollls, sheets and custom shapes. For more information, please contact us.
Adhesive |
Acrylic |
Carrier |
Nickel on copper-plated PET |
Colour |
Grey |
Thickness (mm) |
0.05 |
Max. long temp (˚C) |
No data |
Chem resist |
No data |
UV resist |
No data |
Bond to foam, felt, mesh |
No data |
Min. temp (˚C) |
No data |
Max. long temp (˚C) |
No data |
Max. short temp (˚C) |
No data |
Bond to metal |
No data |
Bond to HSE plastic |
No data |
Bond to LSE plastic |
No data |
Manufacturer / SOS |
3M™ |
Adhesion to steel (N/cm) |
No data |
Tensile strength (N/cm²) |
No data |
Shielding Effectiveness @GHz(dB) |
65 |
Electrical resistance (Ω) |
0.05 |
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