Foil Containers’ Alloy Choice

Table of Contents

Is aluminum foil pure aluminum?

Aluminum foil used for foil containers, such as those used for food packaging, is not always made from pure aluminum. While pure aluminum is a common material for aluminum foil, it is often alloyed with other elements to improve its properties.

Alloys such as aluminum alloy 8011 or 3003, are commonly used for foil container production.

     8011-O aluminum containers and  3003 aluminum containers

These alloys typically consist of aluminum as the primary component, but they may also contain small amounts of other elements like manganese, magnesium, or silicon. These alloying elements can enhance the strength, durability, and heat resistance of the aluminum foil.

The specific alloy used for foil containers can vary depending on the intended application.

foil containers factory

Common Alloy for Aluminum Containers

Aluminum Alloy 8011:

      • Aluminum alloy 8011 is a widely used alloy for foil container production.

      • It has excellent formability and is highly malleable, making it easy to shape into various container shapes and sizes.

      • Alloy 8011 offers good strength and durability, allowing the foil containers to withstand handling and transportation.

      • It has a high barrier to light, moisture, and gases, which helps preserve the freshness and quality of the packaged food.

      • This alloy is also resistant to corrosion and can withstand high temperatures, making it suitable for cooking, baking, and reheating applications.

    Aluminum Alloy 3003:

        • Aluminum alloy 3003 is another commonly used alloy for foil container production.

        • It offers higher strength and excellent resistance to corrosion, making it suitable for various packaging applications.

        • Alloy 3003 has satisfactory formability, enabling the production of different container shapes and sizes.

        • It has a slightly higher tensile strength compared to alloy 8011, providing enhanced durability and resistance to deformation.

        • This alloy also exhibits good thermal conductivity, allowing for efficient heat distribution during cooking or heating processes.

      Both aluminum alloy 8011 and 3003 are considered food-grade alloys, which means they are safe for direct contact with food. They are widely used in the production of foil containers for packaging various food items, including take-out meals, ready-to-eat meals, and leftovers.

      foil containers

      Yongsheng Aluminum Foil Containers

      Alloy 1xxx Series: 1050, 1060, 1070, 1100, 1235
      3xxx Series: 3003, 3004
      5xxx Series: 5052
      8xxx Series: 8011, 8021, 8079

      Thickness 0.03-0.2mm
      Capacity ≥100ml
      Shape Square, Rectangular, Round, Customizable
      Size 200+ Type of Sizes
      Applications Cooking, Freezing, Baking and More

      Yongsheng Aluminum has dedicated food-grade aluminum foil container workshops and production lines to ensure the food-grade safety of their aluminum foil containers.

      During the production process of food-grade aluminum foil containers, Yongsheng Aluminum adheres to strict hygiene standards and implements quality control measures to ensure the safety and hygiene of their products. They comply with relevant food safety regulations and standards, ensuring that the production process meets sanitary requirements and guarantees that the aluminum foil containers do not have any adverse effects on food quality.

      Yongsheng Aluminum’s food-grade aluminum foil container workshops utilize advanced production equipment and technology to ensure that the products meet high-quality standards. Stringent quality checks and inspections are conducted to ensure the food-grade safety of the aluminum foil containers.

      By maintaining a dedicated food-grade production facility and adhering to strict quality control measures, Yongsheng Aluminum demonstrates its commitment to providing food-safe aluminum foil containers for their customers.

      is aluminum foil pure aluminum

      Other Alloys for Containers

      Aluminum Alloy 1235:

          • Alloy 1235 is a pure aluminum alloy widely used for foil production.

          • It is known for its high electrical conductivity and is often used in applications such as electrical capacitor foils and packaging foils.

          • Alloy 1235 is also suitable for food packaging due to its excellent barrier properties and compatibility with various printing and laminating processes.

        Aluminum Alloy 8079:

            • Alloy 8079 is commonly used for flexible packaging applications.

            • It has good strength and flexibility, allowing it to conform to different shapes and sizes.

            • Alloy 8079 offers high barrier properties against moisture, light, and gases, making it suitable for food packaging and pharmaceutical blister packaging.

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