- What is Cable Aluminum Foil?
- Why do Cables Use Aluminum Foil?
- What alloy is used for cable aluminum foil?
- Cable Aluminum Foil Specifications
- Features of Cable Aluminum Foil
- Cable Aluminum Foil Applications
What is Cable Aluminum Foil?
Cable Aluminum Foil is a thin, flexible metal sheet made from aluminum, specifically designed for application in cable shielding. Its unique properties make it an ideal choice for ensuring signal integrity, minimizing electromagnetic interference (EMI), and safeguarding the overall functionality of cables.
The main function of cable aluminum foil is to provide long-term protection for cables, preventing damage from moisture and other natural factors.
Why do Cables Use Aluminum Foil?
Cables utilize aluminum foil for several reasons, with one of the primary motivations being its excellent conductivity and shielding properties. Aluminum, with its remarkable electrical conductivity, efficiently carries signals within the cable, ensuring minimal signal loss. Moreover, aluminum foil acts as a protective shield, preventing electromagnetic interference from external sources and reducing signal distortion.
1. Protective Function
Moisture Protection: Cable aluminum foil effectively prevents moisture damage to cables, maintaining their performance and durability.
Natural Factor Protection: It resists various natural factors, such as wind, rain, and temperature changes.
2. Shielding Function
Interference Protection: The shielding layer of cable aluminum foil effectively prevents external signal interference, which could otherwise disrupt data transmission or cause unwanted noise in audio signals.
Different Shielding Layers: Different types of shielding layers can be chosen based on specific protection needs for signal frequencies.
3. Reflectivity and Barrier Properties
High Reflectivity: Cable aluminum foil has up to 98% reflectivity for light and infrared heat, effectively preventing heat transfer.
Excellent Barrier Properties: It has good barrier performance, isolating magnetic fields and radio frequency radiation to ensure stable cable performance.
Haomei Aluminum primarily supplies cable aluminum foil in the 1000 series and 8000 series, with typical alloys including 1100 and 8011.
What alloy is used for cable aluminum foil?
The choice of aluminum alloy for cable foil is crucial for achieving the desired balance of mechanical strength, conductivity, and corrosion resistance. Commonly used aluminum alloys include 1xxx series (e.g., 1100) and 8xxx series (e.g., 8011), chosen for their specific characteristics that suit the demanding requirements of cable applications.
| Typical alloy | 1060, 8011, 1100 |
| Temper | O |
| Treatment | mill finish |
| Standard | ISO SGS ASTM ENAW |
| Price terms | LC/TT/DA/DP |
| Packaging | Standard seaworthy export packaging. Wooden pallets with plastics protection for the coil and sheet. |
Cable Aluminum Foil Specifications
Alloy: Typically 1xxx series (e.g., 1100) or 8xxx series (e.g., 8011) aluminum alloys.
Temper: The temper designation depends on the specific requirements, with commonly used tempers being O (annealed) and H18 (hardened).
| Alloy | Temper | Thickness(mm) | Width(mm) | I.D.(mm) | O.D.(mm) | Thickness Tolerance(%) | Length | Lightness |
| 1050 | O | 0.01-0.3 | 300 | 76 | 500 | ≤5 | COIL | ≤60 |
| 1060 | O | 0.01-0.3 | 300 | 76 | 500 | ≤5 | COIL | ≤60 |
| 8011 | O | 0.01-0.3 | 300 | 76 | 500 | ≤5 | COIL | ≤60 |
Features of Cable Aluminum Foil
1. Lightweight and Cost-Effective
Lightweight: Aluminum is lighter than copper, making cables more convenient to install and transport, and reducing the overall weight.
Cost-Effective: Aluminum is much cheaper than copper, making it more economical for large-scale production and applications.
2. Excellent Film Substrate Characteristics
High Dielectric Strength: Thicker film substrates provide higher dielectric strength, effectively isolating electrical interference and leakage in cables.
Enhanced Tensile Strength: Thicker foil substrates have excellent tensile strength, increasing the mechanical strength and durability of cables, and reducing the risk of breakage during use.
3. Outstanding Conductivity and Low Signal Attenuation
High Conductivity: Thicker aluminum foil substrates offer excellent conductivity, ensuring stable signal transmission in cables.
Low Signal Attenuation: Due to its good conductivity and structural stability, cable aluminum foil effectively reduces signal attenuation, ensuring signal quality and transmission efficiency.
Note: Product width sizes are customized based on customer requirements.
Cable Aluminum Foil Applications
Cable aluminum foil perfectly protects cables from magnetic fields and radio frequency interference, ensuring long-term reliability of cables.
Due to its excellent performance, cable aluminum foil is widely used across various industries to provide effective protection and enhance cable reliability.
Electronics and Components
Signal Protection: In electronic devices and components, cable aluminum foil is used for shielding signal lines to prevent electromagnetic interference, ensuring proper operation and signal transmission of electronic devices.
Refrigeration and Air Conditioning
Increasing Efficiency: In refrigeration and air conditioning systems, cable aluminum foil is used for shielding cables to reduce system interference, improving equipment efficiency and stability.
Automotive
Cable Protection: In the automotive industry, cable aluminum foil is used to protect cables and wiring harnesses from electromagnetic interference and physical damage, ensuring the reliability and safety of automotive electronic systems.
Construction and Decoration
Protective Function: In construction and decoration, cable aluminum foil is used for shielding cables to protect them from external electromagnetic interference, ensuring the stability and safety of the power system.
Packaging
Protective Function: In the packaging industry, cable aluminum foil is used as a packaging material to effectively protect electronic devices and components from environmental factors, extending the product's lifespan.