Copper Tapes & Films

High-conductivity copper tape for many electrical applications


Copper and Aluminum Tapes

CAPLINQ is proud to be a supplier of its own LINQTAPE™ CFT-Series brand of high-performance, flexible, high-conductivity copper tape for many electrical applications and its own LINQTAPE AFT-Series brand of high-performance, high-conductivity aluminum tape. Copper is well known for it's excellent conductivity and has proven itself useful in many electronics production environments. The applications of LINQTAPE CFT-Series Copper Foil Tape include but are not limited to semiconductor, smartcard, electronic, automotive and general manufacturing industries. Very similar to copper foil tape, aluminum foil tape also has many uses in multiple industries including automotive, aerospace, and HVAC.

Product Selector Guide

Copper and Aluminum tapes and Films
Product name Description Adhesive type Adhesive thickness Film thickness Total thickness Peel Strength (N/25mm (oz/in)) Shielding effectiveness(dB)
CFT1CA 1 ounce Copper Foil Conductive Tape with Acrylic Adhesive Conductive Acrylic 1.2mil (30.5µm) 1.4mil (35.5µm) ±2.6mil (66µm) 9.7 (35) 60-80
AFT2CA 2 mil Aluminum Foil Conductive Tape with Acrylic Adhesive Conductive Acrylic 1.2mil (30.5µm) 2mil (50.8µm) ±3.2mil (81.2µm) 9.7 (35) 60-80

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Copper versus Aluminum Foil Conductive Tape

As the name suggests, copper foil conductive tape is created out of copper. A thin copper sheet is affixed with a very thin adhesive, making it lightweight and ideal for use in small components or in applications where there are weight constraints. 

cross section of a copper conductive tape


Copper foil tapes have many uses, and can even be used as a household item. Due to copper's great conductivity value, copper foil tapes are greatly used for electrical purposes. Its ability to conduct electricity across its surface renders it invaluable for repairs and the establishment of electrical pathways on printed circuit boards. Copper foil tapes are also used for EMI (Electromagnetic Interference) Shielding EMI. EMI Shielding is crucial in electronic devices and equipment because not protecting from it will prevent signals from traveling and thus damage the electrical equipment. 

In comparison, aluminum foil tapes share a similar design but diverge in material composition, featuring a thin aluminum backing.

cross section of an aluminum conductive tape

Even though the setup is similar, due to the difference in properties between aluminum and copper aluminum foil tapes have different applications. They are popularly used in HVAC (Heating, Ventilation, Air Conditioning) systems, for repairs, sealing, and insulating. Due to their ability to withstand temperature fluctuations, aluminum foil tapes work great in HVAC systems. Aluminum foil tapes can also be used in any application where reflective shielding might be required, which is usually seen in the aerospace and automotive industries.

While copper and aluminum foil tapes exhibit similar structural setups, their distinct material properties dictate their respective spheres of application. Copper foil tape excels in electrical conductivity and EMI shielding, whereas aluminum foil tape is prized for its durability in HVAC systems and reflective shielding capabilities, underscoring their indispensable roles in diverse industries.