What is 3003 Aluminum Foil Used For?
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What is 3003 Aluminum Foil Used For?

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3003 aluminum foil is a popular material in various industries, prized for its unique combination of strength, corrosion resistance, and formability. As a member of the 3XXX series aluminum alloys (aluminum-manganese), it stands out for its versatility—making it a go-to choice for both industrial and commercial applications. Below, we’ll explore its key properties, alloy composition, mechanical performance, and primary uses.


Alloy Composition of 3003 Aluminum Foil


3003 aluminum is an aluminum-manganese alloy, with a chemical makeup that balances durability and workability. Its typical composition (per industry standards like GB/T3880-2012) includes:



Alloy Si Fe Cu Mn Mg Zn Ti V Others Al
3003 0.6 0.7 0.05-0.2 1.0-1.5
0.1

0.2 Remain



This composition gives 3003 aluminum foil better strength than pure aluminum (1XXX series) while retaining excellent ductility—critical for processes like rolling, folding, and shaping.


Mechanical Properties of 3003 Aluminum Foil

The mechanical performance of 3003 aluminum foil varies slightly by temper (e.g., annealed “O” or half-hard “H14”), but its core properties include:


Alloy  Temper Thickness Tensile Strength (Rm/Mpa) Elongation              (Not Less Than)
3003 O 0.018 - 0.2 80 - 140 -
3003 H22 0.02 - 0.05 90 - 130 10
3003 H22 0.05 - 0.2 90 - 130 10
3003 H14 0.03 - 0.2 140 - 170 -
3003 H24 0.03 - 0.2 140 - 170 1
3003 H16 0.1 - 0.2 ≥180 -
3003 H26 0.1 - 0.2 ≥180 1
3003 H18 0.01 - 0.2 ≥190 1
3003 H19 0.018 - 0.1 ≥200 -


Common Uses of 3003 Aluminum Foil


 3003 aluminum foil is widely used across industries:


1. Food Packaging


Flexible Packaging:

Used for wrapping foods, snacks, and ready-to-eat meals. Its corrosion resistance prevents interaction with acidic or salty foods, while its barrier properties lock in freshness.



Lids & Seals:

Formed into lids for cans, jars, and takeout containers, providing a tight seal to prevent spoilage.




2. Industrial Applications


Heat Exchangers:

Used in automotive and HVAC systems. Its thermal conductivity (≈190 W/m·K) and corrosion resistance make it ideal for transferring heat efficiently.


Electrical Shielding:

Thin 3003 foil wraps around wires and cables to block electromagnetic interference (EMI) in electronics.



3. Construction & Building


Ductwork Liners:

Laminated to insulation materials in HVAC ducts to reflect heat and resist moisture, improving energy efficiency.


Decorative Panels:

Printed or coated 3003 foil is used in interior design for wall accents, furniture, and signage, thanks to its smooth surface and paintability.



4. Automotive Industry


Gaskets & Seals:

Shaped into heat-resistant gaskets for engines and fuel systems, leveraging its strength and resistance to oils.


Sound Dampening:

Layered in car doors and floors to reduce noise, as its malleability allows it to conform to tight spaces.



5. Chemical & Pharmaceutical Packaging


Blister Packs:

Used for packaging pills and tablets. Its resistance to mild chemicals ensures compatibility with medications, while its formability creates secure, tamper-evident blisters.



Why Choose 3003 Aluminum Foil?


3003 aluminum foil bridges the gap between strength and versatility. It outperforms pure aluminum in durability while remaining easier to work with than high-strength alloys like 5XXX or 6XXX series. Whether you need a material for food safety, industrial efficiency, or structural support, 3003 aluminum foil delivers consistent performance across diverse applications.


For bulk orders or custom temper/ thickness requirements, consult us to match 3003 foil to your specific needs.

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