Aluminium Foil: A Multifaceted Industrial Marvel
Aluminium foil, with its thickness typically ranging from 0.006 to 0.2 millimeters, is a paper - thin, malleable sheet crafted from aluminum.
Production Process
The manufacturing of aluminium foil starts with high - purity aluminium alloy slabs. These slabs are first hot - rolled to reduce their thickness. Subsequently, cold - rolling is carried out in multiple passes. During cold - rolling, the foil is made thinner and its surface becomes smoother. After rolling, the foil may undergo processes like annealing to improve its flexibility and ductility.
Key Properties
- Exceptional Barrier Properties: Aluminium foil acts as an excellent barrier against moisture, oxygen, light, and odors. This makes it ideal for packaging products that require protection from environmental factors.
- Thermal Conductivity: It has high thermal conductivity, enabling it to quickly transfer heat. This property makes it useful in both cooking and industrial heat - transfer applications.
- Malleability: Aluminium foil is highly malleable, allowing it to be easily shaped into various forms, whether it's wrapping a food item or being formed into complex industrial components.
- Lightweight: Despite its strength, aluminium foil is lightweight, which is beneficial for applications where weight reduction is crucial, such as in the aerospace industry.
Diverse Applications
- Food Packaging: Aluminium foil is extensively used in the food industry. It is used to wrap chocolates, bakery products, and ready - to - eat meals, extending their shelf life. It is also used in the production of flexible food containers.
- Pharmaceutical Packaging: Due to its excellent barrier properties, it safeguards medications from moisture and air, maintaining their efficacy.
- Insulation: In the construction industry, aluminium foil is used as a component in insulation materials. It reflects heat, helping to regulate indoor temperatures and reduce energy consumption.
- Industrial Applications: It is used in capacitors, as a heat - sink material in electronics, and in the automotive industry for heat shielding.
Recycling
Aluminium foil is highly recyclable. Recycling aluminium foil requires significantly less energy compared to producing new foil from raw materials. This makes it an environmentally friendly option, contributing to sustainable development.
Parameter |
Description |
Material |
Aluminum or Aluminum Alloy
|
Alloy Series |
1050, 1060, 1100, 3003, 5052, 5083, 6061, 7075 (or as required)
|
Thickness |
0.2 mm to 8 mm (or customized) |
Width |
100 mm to 2000 mm (or customized) |
Length |
Coil length as per requirement |
Weight |
Depends on thickness and size, typically 3-5 tons per coil |
Temper |
O (Soft), H14, H16, H18, H24, H26, H32 (or as required) |