8079 Aluminium Foil Kab: A Comprehensive Guide to Properties, Aplikasi, and Advantages

8079 Aluminium Foil Kab: A Comprehensive Guide to Properties, Aplikasi, and Advantages

1. Pambuka

Aluminum foil is a cornerstone of modern packaging and industrial manufacturing, prized for its lightweight nature, sifat alangi banget, resistance karat, and full recyclability. It finds widespread use in food and pharmaceutical packaging, household products, battery materials, and industrial insulation.

Among various alloys, 8079 alumunium foil​ stands out for its exceptional flexibility, high barrier performance, and superior formability. It strikes an ideal balance between strength and ductility, making it particularly suitable for demanding flexible packaging applications.

Dina iki, 8079 foil is extensively used in:

  • Pharmaceutical blister packaging
  • Food flexible packaging and retort pouches
  • Aseptic packaging
  • Foil kluwarga
  • Battery soft packaging
  • Industrial laminates

Its excellent deep-drawing capability and low pinhole rate make 8079 the preferred material for manufacturers seeking reliable, high-performance, and sustainable packaging solutions.


moisture-and-oil-resistant-8079-aluminum-foil-5

2. What Is 8079 Aluminium Foil Kab?

8079 aluminum foil belongs to the 8xxx series aluminum alloys, specifically engineered for high-performance packaging applications. This alloy is characterized by:

  • Excellent flexibility and high elongation
  • Superior moisture and gas barrier properties
  • Good puncture resistance
  • Outstanding formability for complex shapes

Compared to 8011 lan 8021 foil, 8079 offers a more balanced combination of mechanical strength and ductility, making it exceptionally reliable in multi-layer laminates and critical pharmaceutical packaging structures.


3. Komposisi Kimia

The performance of 8079 alloy stems from its carefully controlled chemical composition, which ensures mechanical stability and optimal processing.

Standard Chemical Composition (ING 573-3)

unsur Kisaran khas (%) Primary Function
silikon (lan) 0.05 – 0.30 Enhances strength and rolling stability
wesi (Fe) 0.70 – 1.30 Improves toughness and puncture resistance
seng (Zn) ≤ 0.10 Contributes to corrosion resistance
liyane (Each) ≤ 0.05 Impurity control
liyane (Total) ≤ 0.15 Maintains alloy purity
alumunium (Al) Balance Provides base ductility and lightweight properties

Key Metallurgical Characteristics:

  • High Ductility:​ Withstands deep drawing and complex forming without cracking.
  • Excellent Barrier Reliability:​ Stable structure minimizes rolling-induced pinholes, ensuring superior protection against moisture and oxygen.
  • Balanced Mechanical Strength:​ Offers better flexibility than 8011 foil while maintaining stronger puncture resistance than ultra-pure 1235 foil.

surface-treated-8079-aluminum-foil-4

4. Properties fisik

8079 aluminum foil combines lightweight advantages with excellent functional properties.

Properti Typical Value Katrangan & Implication
Kapadhetan 2.71 g/cm³ entheng, reduces material usage and transport costs.
Titik Lebur ~ 660 ° C Suitable for high-temperature processing (contone, heat sealing).
Konduktivitas termal ~235 W/(m·K) Excellent heat transfer; useful in insulation applications.
Konduktivitas Listrik 35–38% IACS Suitable for EMI/RFI shielding applications.
Tahan karat Banget Natural oxide layer provides protection in humid/acidic environments.

Advantages Summary:

  • entheng:​ Reduces overall packaging weight versus alternatives like glass or rigid plastics.
  • Thermally Stable:​ Reliable performance during sterilization, retort processing, and heat sealing.
  • Tahan korosi:​ Durable in various environmental conditions.

5. Properties Teknik

Mechanical properties vary with temper (O, H14, H18, lsp.) and thickness.

Typical Mechanical Properties (O Temper):

Properti Typical Value Characteristic
Kekuwatan Tensile 125 – 165 MPa Provides reliable structural performance.
Kekuwatan Ngasilake 80 – 110 MPa Ensures stability under load.
Elongation 2 – 5% Enables excellent flexibility and formability.
Kismaan khas 6 – 200 µm Wide range for diverse applications.

Key Mechanical Advantages:

  • Outstanding Flexibility:​ Adapts easily to complex packaging forms (blisters, kanthong, sachets).
  • Good Puncture Resistance:​ Resists damage during packaging, filling, and transportation.

8079 paduan aluminium foil

6. Formulir Produk & Thickness Classes

Available in multiple forms to meet diverse industrial needs.

Formulir Produk:

  • Bare Foil:​ For further converting, laminating, or coating.
  • Coated/Lacquered Foil:​ For pharmaceutical packaging and specific heat-seal applications.
  • Foil laminasi:​ Combined with films (PET, pe, Nilon) or paper for high-barrier structures.
  • Printed/Embossed Foil:​ For branding, dekorasi, and customized functionality.

Thickness Classification & Aplikasi:

Keykey kisth Classification Aplikasi Khas
6 – 9 µm Double Zero Foil Cigarette foil, ultra-thin snack wraps
10 – 20 µm Thin Foil Foil kluwarga, small sachets
20 – 30 µm Medium Foil Pharmaceutical blister packaging, food pouches
30 – 50 µm+ Foil tugas abot Industrial laminates, isolasi, rigid lids

7. Key Advantages of 8079 Aluminium Foil Kab

  • Excellent Barrier:​ Provides near-total protection against moisture, oksigen, Cahya uv, lan rereged, extending product shelf life.
  • Superior Formability:​ High elongation allows for complex, deep-drawn packaging shapes without failure.
  • Strong Heat Resistance:​ Maintains integrity and performance during retort sterilization and high-temperature processes.
  • High Sustainability:​ 100% recyclable without quality loss. Recycling saves ~95% energy vs. primary production, reducing environmental footprint.

8. Main Applications

1. Kemasan Farmasi:

  • Blister Packaging:​ Protects tablets/capsules from moisture and oxygen.
  • Strip Packaging:​ For powders and sensitive medicines.
  • Child-Resistant/Tamper-Evident Packaging:​ Provides secure dosing.

2. Kemasan panganan:

  • Flexible Pouches:​ For snacks, dairy, saos, frozen foods.
  • Retort Pouches:​ For shelf-stable, sterilized ready-to-eat meals.
  • Lidding Materials:​ For yogurt cups, beverage lids, and dairy containers.

3. Household Applications:

  • Household aluminum foil for cooking, manggang, and food storage, offering excellent flexibility and heat resistance.

4. Industrial Applications:

  • Cable Shielding:​ Provides electromagnetic interference (EMI) Perlindhungan.
  • Insulation Materials:​ Reflective layer in building insulation systems.
  • Battery Packaging:​ Used in the soft pouch material for lithium-ion batteries.

9. Ringkesan Proses Pabrikan

  1. Alloy Smelting:​ High-purity aluminum is combined with precise amounts of iron and silicon.
  2. Nggulung:​ Multi-stage cold rolling reduces the alloy to the desired ultra-thin gauge.
  3. Annealing:​ Heat treatment (for O temper) optimizes flexibility and ductility.
  4. Perawatan lumahing:​ Includes degreasing, reresik, and sometimes surface roughening to enhance coating/printing adhesion.
  5. Converting:​ Foil may be coated, laminated, printed, or embossed as per final application requirements.

8079-aluminum-foil-for-snack-packaging-1

10. Comparison with Other Aluminum Foil Alloys

Properti 1235 Foil (Kesucian dhuwur) 8011 Foil 8021 Foil 8079 Foil
Kekuwatan Kurang Dhuwur Dhuwur banget Moderat-dhuwur
Flexibility/Ductility Banget Moderat Moderat Banget
Rintangan tusuk Kurang Moderat Banget apik
Kinerja alangan Moderat Dhuwur Dhuwur banget Dhuwur
biaya Dhuwur Kurang Dhuwur Moderat

Kenapa Pilih 8079?

8079 foil provides the best overall balance​ between cost, keluwesan, barrier protection, and processability, making it an ideal, versatile choice for the flexible packaging industry.


11. Kelestarian & Environmental Benefits

8079 aluminum foil supports circular economy goals:

  • Infinitely Recyclable:​ Can be recycled repeatedly without losing its properties.
  • Resource Efficient:​ Its lightweight nature reduces transportation emissions.
  • Prevents Waste:​ Its superior barrier properties extend the shelf life of packaged goods, significantly reducing food and pharmaceutical waste.

12. Kontrol kualitas & Standards

When specifying 8079 alumunium foil, key parameters include:

  • Kelas Alloy: 8079
  • Temper (contone, O, H14, H18)
  • kekandelan & Jembar (with tight tolerances)
  • Surface Quality (wettability, pinhole count)
  • Properties Teknik (Kekuwatan Tensile, Elongation)

Relevant International Standards:

  • ING 573-3 (Komposisi kimia)
  • ING 546-2 (Mechanical properties)
  • ING 546-3 (Tolerances on dimensions)

13. Kesimpulan

8079 aluminum foil has established itself as a critical material in modern packaging and industry due to its exceptional combination of flexibility, reliable barrier performance, resistance karat, lan kelestarian lingkungan.

Whether protecting sensitive pharmaceuticals, preserving food freshness, or serving in advanced industrial applications, 8079 foil delivers consistent performance and processing reliability. As global demand grows for efficient, entheng, and sustainable packaging solutions, 8079 aluminum foil is poised to remain a fundamental and growing choice for innovators across multiple sectors.