8021 aluminum foil is a widely used material in daily life. If you are involved in the manufacturing, supply or wholesale of aluminum foil, it is very important to understand its characteristics and applications.
What is 8021 aluminum foil?
8021 aluminum foil is mainly made of aluminum, iron and silicon alloy. It is a high performance aluminum foil and these alloys are added to increase its strength and flexibility.
8021 foil is widely used in various industries such as packaging, pharmaceuticals, and batteries due to its excellent barrier properties, heat resistance, and flexibility.
There are many types of 8021 aluminum foil in pharmaceutical packaging, such as cold-formed blister foil, PTP blister foil, tropical blister foil, aluminum foil, etc.
| Component Elements Properties | Metric | English | Comments |
| Aluminum, Al | 97.9 – 98.8 % | 97.9 – 98.8 % | As remainder |
| Iron, Fe | 1.2 – 1.7 % | 1.2 – 1.7 % | |
| Silicon, Si | ≤ 0.15 % | ≤ 0.15 % | |
| Copper, Cu | ≤0.05 % | ≤ 0.05 % | |
| Other, each | ≤ 0.05 % | ≤ 0.05 % | |
| Other, total | ≤ 0.15 % | ≤ 0.15 % |
Application of 8021 aluminum foil
8021 aluminum is widely used in various industries due to its excellent barrier properties, heat resistance and flexibility.
Packaging industry
8021 aluminum foil is used in the packaging industry for food, pharmaceuticals and other products that require a high degree of protection against moisture, oxygen and other contaminants. It is commonly used as a packaging material for blister packs, strip packs and pouches. It is also used to package chocolate, butter and other dairy products.
Pharmaceutical industry
In the pharmaceutical industry, 8021 foil is used for packaging tablets, capsules, and other pharmaceuticals that require a high degree of protection against moisture, light, and air. It is also used to package medical equipment and diagnostic kits.
Battery industry
8021 aluminum foil is used in the battery industry as a current collector for lithium-ion batteries. It is used as a substrate for battery anodes or cathodes, providing a smooth, flat surface for the deposition of active materials.
others
8021 foil is also used in other industries such as insulation, electronics and aerospace.
