Copper Foil Tape Supplier

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Why copper foil adhesive tape is widely used for electrical conductivity and shielding?
Copper foil adhesive tape is widely used in electrical and electronic applications where conductivity, grounding, and electromagnetic shielding are required. The copper backing provides excellent electrical conductivity, while the adhesive layer allows secure attachment to components, enclosures, and surfaces without soldering.
In electronics manufacturing and assembly environments, engineers often evaluate copper purity, conductivity, and adhesive stability when selecting a copper tape manufacturer for consistent electrical performance.
Product Overview
Conductive copper adhesive tape is produced by laminating rolled copper foil with a pressure-sensitive adhesive, typically acrylic or conductive adhesive depending on application requirements. The copper foil acts as an efficient conductor and EMI shield, while the adhesive ensures reliable bonding to metal, plastic, and composite substrates.
This structure makes the tape suitable for grounding, circuit modification, and shielding tasks. Production in a China copper tape factory focuses on foil thickness accuracy, surface cleanliness, and adhesive uniformity to ensure predictable conductivity.

Key Characteristics
- High electrical conductivity copper foil backing
- Effective EMI and RFI shielding performance
- Strong adhesion to smooth and irregular surfaces
- Flexible structure for conforming to complex shapes
- Stable performance under normal operating temperatures

These characteristics allow copper tape to function as both a conductor and a shielding material.
Typical Application
Copper tape is commonly used in:
- EMI and RFI shielding for electronic enclosures
- Grounding and earthing connections
- Circuit board modification and repair
- Cable wrapping and shielding reinforcement
- Antenna and signal path applications
In electronic assemblies, conductive copper tape for EMI shielding is frequently specified to reduce electromagnetic interference. Production teams usually coordinate sourcing through a reliable copper tape supplier to maintain consistent material quality.

Technical Data Sheet
| Parameter | Specification / Options |
| Product type | Copper foil adhesive tape |
| Backing material | Copper foil |
| Adhesive type | Acrylic or conductive PSA |
| Copper thickness | Approx. 18 – 35 microns |
| Total thickness | Approx. 0.06 – 0.10 mm |
| Standard widths | 6 / 12 / 19 / 25 / 50 mm |
| Standard lengths | 16 m / 33 m |
| Electrical conductivity | Excellent |
| EMI shielding effectiveness | High |
| Surface resistance | Low |
| Flexibility | Good |
| Application method | Manual application |
| Storage condition | Cool, dry environment |
| Shelf life | Typically 12 months |
For electronics production and maintenance, manufacturers often standardize specifications when ordering bulk copper tape to ensure uniform shielding performance.
How does copper tape perform in long-term electronic applications?
When applied to clean surfaces, copper tape provides a continuous conductive path that supports grounding and shielding functions. The copper foil maintains conductivity over time, while the adhesive resists lifting or drying under normal service conditions.
In enclosure shielding and cable protection, copper tape for grounding and shielding applications helps maintain signal integrity and reduce electromagnetic noise. Long-term supply for electronics programs is commonly coordinated through a copper tape wholesaler to ensure material consistency.
FAQ
Is copper tape suitable for EMI shielding?
Yes. Copper tape is widely used for EMI and RFI shielding due to its high conductivity and ability to form continuous shielding paths.
Can copper tape be soldered?
Yes. Copper foil tape can be soldered, provided the surface is clean and the adhesive type allows soldering at the required temperature.
Does copper tape require conductive adhesive?
For some grounding and shielding applications, conductive adhesive is preferred. For others, standard acrylic adhesive is sufficient if the copper foil overlaps provide conductivity.
Can copper tape be supplied for specific project requirements?
Depending on application needs, customized copper tape such as specific foil thicknesses, widths, or adhesive systems may be selected. Global sourcing is commonly based in copper tape China, supporting electronics and industrial applications worldwide.

