In modern cable manufacturing, effective electromagnetic shielding combined with lightweight moisture barrier performance is essential for maintaining signal integrity and long-term reliability. Aluminum Tape for Cable — also known as aluminum foil tape or plain aluminum shielding tape — is a high-purity, precision-slit aluminum foil engineered specifically for the cable industry. Produced from premium soft-annealed aluminum alloys (1070, 1060, 1050, 1145, 1235, 8011), this bright silver tape serves as both a standalone shielding/wrapping layer and the critical base substrate for copolymer coated aluminum tapes.
Its excellent electrical conductivity, superior formability, and consistent dimensional accuracy make it the preferred material for longitudinal wrapping, helical wrapping, and EMI/RFI shielding in communication cables, power cables, coaxial cables, data cables, and specialty control cables. As a specialist B2B cable materials supplier with decades of global project experience, we see aluminum tape as a cost-effective, lightweight technical solution that delivers reliable performance while optimizing production efficiency and overall cable economics.
Composition & Engineered Manufacturing Process
Aluminum Tape for Cable is manufactured from high-quality aluminum coils that undergo precise slitting to exact widths. Key characteristics include:
- Base alloys: 1070, 1060, 1050, 1145, 1235, or 8011 series — chosen for high purity, excellent conductivity, and corrosion resistance.
- Temper: Soft-annealed (O temper) for maximum flexibility and formability.
- Surface finish: Bright silver appearance with outstanding UV stability and weather resistance.
The tape is slit with tight tolerances to ensure clean edges and uniform thickness, enabling seamless integration into high-speed longitudinal or helical wrapping lines. When used as the base for copolymer coated aluminum tape, the aluminum foil provides the primary conductive shielding layer while the EAA copolymer coating enhances adhesion and moisture barrier properties.
Key Technical Advantages & Performance Benefits
Superior Electromagnetic Shielding & Conductivity Aluminum offers approximately 61% IACS conductivity with near-100% optical coverage when applied longitudinally or with overlap. It effectively attenuates high-frequency EMI/RFI interference, making it ideal for data transmission and power cables where signal integrity is critical.
Excellent Formability & Processing Efficiency High elongation combined with soft-annealed temper allows smooth wrapping without cracking or wrinkling — even at high production speeds. The tape conforms perfectly to cable geometry, ensuring uniform coverage and minimal waste.
Lightweight Moisture Barrier & Environmental Resistance Aluminum naturally forms a protective oxide layer that provides outstanding resistance to moisture, humidity, chemicals, solvents, and UV exposure. When combined with adhesive or copolymer systems, it delivers flame-retardant and water-resistant properties while remaining lightweight (significantly lighter than copper alternatives).
Strong Adhesion & Clean Application Precision-slit edges and high-purity surface ensure strong bonding (no residue) and easy tearing/application during manufacturing. The bright silver finish also aids visual quality inspection on the production line.
Cost-Effective & Sustainable Aluminum tape offers a lower material cost and reduced cable weight compared to copper foil or braided shields, supporting overall project economics and ESG goals (100% recyclable).
Primary Applications in Cable Systems
Aluminum Tape for Cable is widely specified for:
- Base substrate for copolymer coated aluminum tape in MV/HV power cables and communication cables.
- Longitudinal and helical wrapping as a shielding layer in medium- and high-voltage power cables.
- EMI/RFI shielding in coaxial, data, telecommunication, control, and instrumentation cables.
- Moisture barrier in underground, aerial, direct-buried, and specialty cable designs requiring lightweight protection.
It is particularly effective in fixed installations and high-frequency applications where near-100% coverage and low transfer impedance are required. Many manufacturers use it in combination with drain wires or braided shields for hybrid shielding solutions.
Technical Specifications (Aluminum Tape for Cable)
Note: Custom thicknesses, widths, alloys, and tempers are available upon request.
Manufacturing Standards & Quality Assurance
The product is manufactured in strict compliance with:
- GB/T 3880 (Wrought Aluminium and Aluminium Alloy Plates, Sheets and Strips)
- GB/T 16501 (Aluminum and aluminum alloy foil for general engineering)
Every batch undergoes rigorous testing for dimensional accuracy, mechanical properties, electrical conductivity, and surface quality to ensure full traceability and consistent performance.
Packaging & Logistics for Global Supply
Aluminum Tape for Cable is supplied in coils and securely packed in wooden cases or on wooden pallets with protective wrapping. This robust packaging prevents damage during sea freight, road transport, or long-term storage, ensuring material arrives in perfect condition for high-volume cable production.
Reliable, Lightweight Shielding Solution for Modern Cable Designs
Aluminum Tape for Cable combines high-purity conductivity, exceptional formability, and proven environmental resistance to deliver a versatile, cost-effective shielding and wrapping material. Whether used as a standalone layer or as the base for advanced copolymer coated tapes, it enhances cable performance while supporting efficient manufacturing and long-term reliability in demanding communication, power, and specialty cable applications.
For cable manufacturers and EPC contractors focused on reliable quality, customized technical solutions, and long-term partnership value, this material is a strategic choice that optimizes both performance and total cost of ownership.
Inquiry Now to request detailed technical data sheets, samples, custom specifications, or competitive bulk quotations tailored to your production line and cable designs. Our expert team provides full technical consultation and one-stop material solutions that strengthen your competitive advantage in global cable markets.
Aluminum Tape For Cable – Reliable Cable
Aluminum Tape For Cable is precision-slit high-purity aluminum foil for longitudinal and helical wrapping in communication, power, and specialty cables. Excellent conductivity and formability.
Product SKU: Aluminum Tape for Cable
Product Brand: RLB Machinery
Product Currency: USD
Product Price: Contact for Quote
Product In-Stock: InStock
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