8011 aluminum foil vs 8021 aluminyo foil

What are the similarities and differences between medicinal aluminum foil 8011 at 8021

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8011 aluminum foil and 8021 aluminum foil are both popular types of aluminum foils used for various applications, but they have some differences in their chemical composition and properties. Here’s a comparison based on key factors:

Komposisyon ng haluang metal:

8011 Aluminum Foil: It is a typical alloy of the 8xxx series and contains aluminum as its primary element with small amounts of other elements like iron, Silicon, at tanso.
8021 Aluminum Foil: It also belongs to the 8xxx series and is an alloy that consists of aluminum as the primary element, with additional elements such as iron, Silicon, and other trace elements.

Paglalapat:

8011 Aluminum Foil: This type of foil is commonly used in various packaging applications, such as for food packaging, pharmaceutical packaging, and household foil.
8021 Aluminum Foil: It is specifically used for blister packaging in the pharmaceutical industry due to its excellent barrier properties against moisture, oxygen, and light.

Mechanical Properties:

8011 Aluminum Foil: It has good mechanical properties, making it suitable for general-purpose packaging requirements.
8021 Aluminum Foil: This foil has higher tensile strength and elongation compared to 8011 foil, which is crucial for blister packaging that requires easy formation and sealing.

Barrier Properties:

8011 Aluminum Foil: It provides a moderate barrier to moisture, light, and gases, making it suitable for standard packaging needs.
8021 Aluminum Foil: Due to its enhanced barrier properties, it is an excellent choice for pharmaceutical blister packaging, protecting drugs from external elements.

Softness:

8011 Aluminum Foil: It has a relatively softer structure, making it easy to bend and fold for various packaging applications.
8021 Aluminum Foil: This foil is slightly harder than 8011, but it remains pliable enough to be formed into blister packs without compromising the barrier properties.

Cost:

8011 Aluminum Foil: It is generally more cost-effective compared to 8021 foil, making it preferable for cost-sensitive applications like household foil.
8021 Aluminum Foil: Being specialized for pharmaceutical blister packaging, it may be more expensive than 8011 foil due to its unique properties.

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