Copper-plastic composite foil and aluminum-plastic composite foil tape are types of adhesive tapes that consist of a layer of copper or aluminum foil laminated with a layer of plastic film. The plastic film is typically made of polyethylene or polyester and provides mechanical strength and flexibility to the tape. The copper or aluminum foil layer provides electrical conductivity and shielding properties.
Copper-plastic composite foil tape is commonly used in electromagnetic interference (EMI) shielding applications, where it can be used to wrap cables and electronic components to protect them from interference from external electromagnetic fields. Aluminum-plastic composite foil tape is also used in EMI shielding, as well as for thermal insulation and moisture barrier applications. Both tapes are available in a variety of widths, lengths, and thicknesses to suit different applications.