Aluminum Foil for Packaging 8079 8011-O
In the realm of modern packaging, materials need to be strong, flexible, and reliable. Aluminum foil stands out as one of the unsung heroes behind the scenes, renowned for its outstanding barrier properties, recyclability, and lightweight character. Among the myriad alloys utilized in foam, ducts, and especially packaging, the alloy combination of 8079 8011-O offers an exceptional blend of characteristics — a harmony crafted to meet tough packaging demands.
The Allure of Aluminum Foil 8079 8011-O in Packaging
The 8011 and 8079 aluminum alloys stand primarily for aluminum foils tailored for packaging and household use. While 8011 alloy alone is widely regarded as the workhorse in packaging due to its high formability and corrosion resistance, the alloying named combination 8079 (typically a secondary adjustable additive line) enhances unique properties such as thinner foil production without any compromise on tensile strength or toughness.
The temper “O” refers to the "annealed" condition — meaning the foil has undergone a heat treatment which makes it soft, ductile, and pliable. This feature is crucial in packaging that demands wrapping, folding, or molding without cracking or tearing.
Advantages from a Unique Implementation Standpoint:
- Exceptional Barrier Protection: The unique composition ensures the foil acts as an excellent barrier to oxygen, moisture, light, and contaminants. This gives packaged food or pharma products enhanced shelf life and fresher quality for consumers.
- Adaptability to Flexible Packaging Operations: The soft temper (O) appeals to manufacturers requiring rapid bends or diverse packaging shapes. Common uses include lidding foil, capsule caps, pouches, or flexible lamination films.
- Sustainability Meets Performance: Aluminum foil 8079/8011-O is not just recyclable but frequently made with significant secondary aluminum content, advancing environmental goals.
Technical Parameters and Standards
the inherent values helps converters, developers, and engineers pick the precise foil grade aligned with their production specs. Some vital parameters include:
| Parameter | Specification |
|---|---|
| Alloy | 8079, based on 8011 Aluminuim |
| Temper | O (Annealed, Soft) |
| Thickness Range | Typically 6 µm to 50 µm (flexible) |
| Width | Customizable, often 300mm-1500mm |
| Density | 2.7 g/cm³ |
| Tensile Strength | 70 - 120 MPa (varies with thickness) |
| Elongation (%) | >10% in the annealed temper (O) |
| Standard Compliance | ASTM B479, ASTM B54, ISO 636;} |
| Surface Finish | Rolled, Bright, Matte or Smooth |
Alloy Chemical Composition Breakdown
To have thorough insight, here is the typical chemical content presented in weight percent (%)in the 8011/8079 foil:
| Element | Typical wt.% |
|---|---|
| Aluminum (Al) | 96.5 - 98.2% |
| Silicon (Si) | 0.12 - 0.45% |
| Iron (Fe) | 0.70 - 1.3% |
| Copper (Cu) | 0.05 - 0.20% |
| Manganese (Mn) | 0.40 - 1.0% |
| Zinc (Zn) | ≤ 0.15% |
| Magnesium (Mg) | ≤ 0.03% |
| Others | ≤ 0.15% |
This composition favors excellent anti-corrosive properties and formability during cold rolls.
Application and Implementation Standards
To achieve high quality and durability:
- Packaging manufacturers conform to universally recognized standards, such as ASTM B479 for Aluminum and its alloys rolled foils and sheet products, guaranteeing thermal treatment and mechanical properties history.
- ISO standards like ISO 636 ensure testing uniformity in lamination peel strength for packaging films combined with aluminum foil.
- The antibacterial barrier and sealing compatibility make the foil vital for perishable food packing, pharmaceutical blisters, and fragrances.
Practical Insights: Selecting & Using 8079 8011-O Foil
- Choosing Thickness Wisely: Thinner foils (6–12 μm) allow wrapping delicate baked goods and candies; mid-range foils serve bulk packing with enhanced mechanical strength.
- Temper Effects: The temper “O” annealed state allows high formability for trickier wrapping jobs such as operating pouch-sealing machines.
- Multi-layer Packaging: These aluminum foils seamlessly integrate into laminates with papers or plastics, producing advanced, efficient multi-layer films.
Final Thoughts
Aluminum foil grade 8079 8011-O stands uniquely well-positioned in packaging applications — combining the time-tested toughness of alloy 8011 with the subtleties alloy 8079 injection and the softness of annealed temper O. Its excellent barrier protection, lightweight nature, and recyclability make it indispensable in food safety, medical packaging, and more. By the chemical makeup, standards, and practical implementation nuances, manufacturers can achieve peak output quality and sustainability — ultimately contributing to materials science and a circular economy capable future.
Leveraging such advanced alloy-grade options highlights how science-driven packaging is not just about containment but smart interactions with contents, environment, and consumers. The 8079 8011-O aluminum foil elegantly exemplifies this ethos.
https://www.al-sale.com/a/aluminum-foil-for-packaging-8079-8011-o.html
