The Difference between 8011 and 8021 Aluminum Foils

Aluminum foils are widely used in various industries due to their excellent properties. They are lightweight, flexible, and durable, making them ideal for wrapping, packaging, and cooking. Two of the most commonly used aluminum foils are 8011 and 8021. While these two types of aluminum foils may look similar, they have some distinct differences that make them suitable for different applications.

8011 Aluminum Foils

8011 aluminum foil is a type of pure aluminum foil that contains 99% aluminum. It is widely used in the food industry for packaging food items such as chocolates, snacks, and candies. The 8011 aluminum foil has excellent barrier properties that prevent moisture and air from entering the packed food. It also has good thermal conductivity, which makes it suitable for use in the kitchen for wrapping food items and cooking.

In addition to its use in the food industry, 8011 aluminum foil is also used in the packaging industry for wrapping cigarettes, beer labels, and other products. This type of aluminum foil is also used in the construction industry for thermal insulation due to its excellent thermal conductivity.

8021 Aluminum Foils

8021 aluminum foil is an alloy of aluminum that contains 1.1% to 1.6% of silicon, 0.05% to 0.20% of iron, 0.05% to 0.20% of copper, and 0.05% to 0.20% of manganese. This type of aluminum foil is widely used in the pharmaceutical industry for packaging medicines. It has excellent barrier properties against oxygen and moisture, which makes it suitable for packing medicines that require protection from moisture and oxygen. The 8021 aluminum foil is also resistant to high temperatures, making it suitable for use in the pharmaceutical industry.

In addition to its use in the pharmaceutical industry, 8021 aluminum foil is also used in the food industry for packaging food items that require high barrier properties. This type of aluminum foil is also used in the electronics industry for shielding electronic components from electromagnetic interference.

Conclusion

In conclusion, while 8011 and 8021 aluminum foils may look similar, they have distinct differences that make them suitable for different applications. The 8011 aluminum foil is commonly used in the food industry for packaging food items due to its excellent barrier properties and thermal conductivity. It is also used in the packaging and construction industries for wrapping products and thermal insulation. The 8021 aluminum foil, on the other hand, is widely used in the pharmaceutical industry for packaging medicines due to its excellent barrier properties against oxygen and moisture and its resistance to high temperatures. It is also used in the food and electronics industries for high barrier packaging and electromagnetic interference shielding, respectively.