Aluminum Foil
Aluminum Foil in 1235, 8011, 8021, and 8079 alloys. Thickness 0.006mm to 0.2mm. Excellent barrier properties, pinhole resistance, and formability for food packaging, pharmaceutical blister foil, household use, insulation, and electrical applications. Available in O, H18, H22, H24 tempers. Food-grade and pharmaceutical-grade available. Mill Certified.
| Material | Aluminum Foil |
|---|---|
| Grade / Standard | 1235 / 8011 / 8021 / 8079 |
| Thickness | 0.006mm - 0.200mm |
| Width | 20mm - 1650mm |
| Delivery Condition | cold_rolled / annealed |
| Surface Treatment | bare |
| MOQ | 500 kg |
| Delivery Time | 15-30 Days |
| Loading Port | Tianjin / Shanghai / Qingdao |
Overview of Aluminum Foil
Aluminum Foil is an ultra-thin aluminum product rolled to thicknesses typically ranging from 0.006mm to 0.2mm, representing one of the most important and widely consumed aluminum products in the world. Produced through a highly controlled multi-pass cold rolling process from aluminum coil base material, aluminum foil combines an exceptional set of barrier, functional, and processing properties that make it indispensable across food packaging, pharmaceutical packaging, household use, industrial insulation, and electrical applications.
Aluminum foil provides an absolute barrier to light, oxygen, moisture, and bacteria when used at sufficient thickness, making it the material of choice for food preservation, medicine protection, and sensitive product packaging. It is also lightweight, non-toxic, odorless, and fully recyclable. The most commonly used alloys for aluminum foil production are 1235, 8011, 8021, and 8079, each formulated for specific performance requirements in terms of pinhole resistance, elongation, mechanical strength, and surface quality. Aluminum foil is supplied in jumbo rolls for industrial converting lines, as well as in retail-sized rolls for household and food service use.
Key Features of Aluminum Foil
Aluminum foil delivers a unique combination of barrier, physical, and processing properties that no other flexible packaging material can fully replicate:
– **Absolute Barrier Properties:** At thicknesses above 0.025mm, aluminum foil provides a complete barrier against light, oxygen, moisture vapor, and micro-organisms, essential for preserving food freshness and pharmaceutical product integrity.
– **Excellent Pinhole Resistance:** Premium foil alloys such as 1235 and 8021 are formulated for minimal pinhole formation even at ultra-thin gauges, ensuring barrier integrity in demanding packaging applications.
– **Lightweight:** Despite its barrier performance, aluminum foil adds minimal weight to packaged products, making it ideal for weight-sensitive packaging and transportation applications.
– **Good Formability and Dead-Fold Properties:** Aluminum foil can be shaped, folded, crimped, and embossed without springback, making it ideal for container forming, lid sealing, and wrapping applications.
– **Non-Toxic and Odorless:** Suitable for direct food and pharmaceutical contact without affecting product taste, smell, or safety.
– **Excellent Heat Conductivity:** Allows rapid heat transfer for cooking, baking, and heat-seal packaging applications.
– **Fully Recyclable:** Aluminum foil is infinitely recyclable without loss of properties, supporting circular economy and sustainability goals.
– **Lamination and Printing Compatible:** Can be laminated with paper, plastic films, and other substrates and printed for branded packaging applications.
– **Wide Alloy and Temper Range:** Available in 1235, 8011, 8021, 8079 alloys and O, H18, H22, H24 tempers to meet specific performance requirements.
Main Applications of Aluminum Foil
Aluminum foil serves critical functional roles across food, pharmaceutical, industrial, and electronic applications:
– **Food & Beverage Packaging:** Flexible food packaging, snack and confectionery wrapping, dairy product foil lids, butter and margarine wrapping, coffee pod sealing, and takeaway container foil.
– **Household Use:** Kitchen aluminum foil rolls for cooking, baking, food wrapping, grilling, and food storage.
– **Pharmaceutical & Medical Packaging:** Blister pack base foil, strip packaging foil, medicine bottle induction sealing foil, IV bag foil, and medical device packaging.
– **Industrial Packaging:** Technical packaging foil for sensitive components, electronic shielding packaging, and moisture-proof industrial product wrapping.
– **Construction & Insulation:** Building insulation foil facing, radiant barrier foil, vapor barrier foil, and HVAC duct insulation foil.
– **Electrical & Transformer:** Cable shielding foil, transformer winding foil, capacitor electrode foil, and flexible circuit substrate foil.
– **Automotive Manufacturing:** Heat shield foil, under-hood insulation, battery thermal management foil, and acoustic insulation facing.
– **Machinery & Equipment:** Heat exchanger fin stock foil, HVAC fin foil, and industrial thermal management foil.
Why Choose Us for Aluminum Foil
Shandong Tanglu Metal Material Co., Ltd. supplies high-quality aluminum foil in a comprehensive range of alloys, thicknesses, widths, and tempers for food packaging, pharmaceutical, industrial, and technical applications. We source foil from certified mills with strict quality control over thickness uniformity, pinhole count, surface quality, and mechanical properties to ensure consistent performance in downstream converting and end-use applications.
Our aluminum foil is available in jumbo rolls for industrial converting lines and in custom-sized rolls for direct end-use. Full documentation including Mill Test Certificate, food-contact compliance certification, and third-party inspection is available. We provide responsive service, flexible order quantities, competitive pricing, and professional export packaging to support customers in the packaging, pharmaceutical, construction, and industrial sectors. Whether you need standard household foil gauge or specialty pharmaceutical-grade foil, we have the supply capability and technical expertise to meet your requirements.
📐 Dimension & Size Table
| Alloy Grade | Main Application | Thickness Range (mm) | Temper | Key Property |
|---|---|---|---|---|
| 1235 | High-Purity Technical & Capacitor Foil | 0.006 - 0.10 | O / H18 | |
| 8011 | Food Packaging, Bottle Caps, Fin Stock | 0.014 - 0.20 | O / H14 / H16 / H18 / H22 / H24 | |
| 8021 | Pharmaceutical Blister Foil, Lidding Foil | 0.020 - 0.10 | O / H18 | |
| 8079 | Flexible Packaging Lamination, Food Foil | 0.006 - 0.10 | O / H18 / H22 |
* Custom sizes available upon request. Tolerances per relevant international standards.
🔬 Chemical Composition
| Element | Min | Max | Display Value | Note |
|---|---|---|---|---|
| 1235 - Al | 99.35 | - | ≥99.35% | High-purity alloy, minimum 99.35% aluminum for technical foil applications |
| 1235 - Si + Fe | - | 0.65 | ≤0.65% | Combined Si and Fe impurity limit |
| 8011 - Fe | 0.60 | 1.00 | 0.60 - 1.00% | Primary addition improving strength and foil rolling performance |
| 8011 - Si | 0.50 | 0.90 | 0.50 - 0.90% | Secondary addition improving strength and hardness |
| 8011 - Al | Balance | - | Balance (≥98.5%) | Remainder aluminum |
| 8021 - Fe | 1.20 | 1.70 | 1.20 - 1.70% | Higher Fe for improved elongation and pinhole resistance in pharma foil |
| 8021 - Si | - | 0.15 | ≤0.15% | Controlled low Si for pharmaceutical grade purity |
| 8021 - Al | Balance | - | Balance (≥98.0%) | Remainder aluminum |
| 8079 - Fe | 0.70 | 1.30 | 0.70 - 1.30% | Provides good elongation for lamination foil |
| 8079 - Si | - | 0.10 | ≤0.10% | Low Si for improved ductility and pinhole resistance |
| 8079 - Al | Balance | - | Balance (≥98.5%) | Remainder aluminum |
* Chemical composition may vary by heat, thickness and specification. Please refer to the actual mill test certificate.
⚙️ Mechanical Properties
| Property | Value | Unit | Test Condition |
|---|---|---|---|
| Tensile Strength | 50 - 95 | MPa | 1235 / 8011 / 8079, O temper, typical for food foil gauge |
| Elongation | ≥1.0 | % | O temper, thin gauge, depending on thickness |
| Tensile Strength | ≥155 | MPa | 8011, H18 temper |
| Elongation | ≥1.0 | % | H18 temper, thin gauge |
| Tensile Strength | 60 - 120 | MPa | 8021, O temper, pharmaceutical blister foil grade |
| Elongation | ≥15 | % | 8021, O temper, pharmaceutical blister foil grade |
| Pinhole Count | ≤1 per m² | pinholes/m² | Premium pharmaceutical and food foil grade at 0.02mm thickness |
| Wettability | Grade A / Grade B | - | Surface wettability test for lamination foil |
| Barrier Performance | Absolute barrier | - | At thickness ≥0.025mm, complete barrier to O₂, H₂O, light |
* Values shown are minimum requirements unless otherwise stated.
📦 Commercial Information
| Packaging | Aluminum foil is supplied in jumbo rolls wound on appropriate inner diameter cores (76mm, 152mm, 300mm, 400mm, or 508mm as specified). Jumbo rolls are wrapped with interleaving paper where required, covered with waterproof stretch film and protective outer wrap, and secured on wooden pallets suitable for sea freight and forklift handling. Retail-sized rolls are packed in individual cartons and then in master cartons. Custom core diameter, roll weight, roll width, and labeling can be arranged according to converting line requirements. Moisture-proof packaging with desiccant is available for pharmaceutical-grade shipments. |
|---|---|
| Payment Terms | T/T (Telegraphic Transfer),L/C (Letter of Credit) |
| Price Term | FOB,CFR,CIF,EXW |
| Supply Capacity | 3,000 Tons/Month |
| Loading Port | Tianjin / Shanghai / Qingdao |
Why Choose Our Aluminum Foil?
Absolute Barrier Against Moisture, Light and Oxygen
Aluminum foil at thickness above 0.025mm provides a complete barrier to oxygen, moisture vapor, light, and micro-organisms, making it the gold standard for food preservation and pharmaceutical product protection.
Multiple Alloy Grades for Specific Applications
1235 for high-purity technical and capacitor foil, 8011 for general packaging and closure foil, 8021 for pharmaceutical blister foil with high elongation, and 8079 for flexible packaging lamination with excellent pinhole resistance.
Food-Grade and Pharmaceutical-Grade Quality
Our aluminum foil meets food-contact and pharmaceutical packaging material requirements with clean, hygienic surfaces, controlled pinhole count, and compliance documentation available for regulated industries.
Flexible Roll Dimensions and Core Options
Available in jumbo rolls for industrial converting lines with custom width, roll weight, core diameter, and temper specifications to match specific converting equipment and production line requirements.
Full Certification and Traceability
Every roll is supplied with Mill Test Certificate confirming alloy composition, mechanical properties, and surface quality. Third-party inspection and food-contact compliance documentation are available on request.
🏭 Applications of Aluminum Foil
Aluminum Foil is one of the most functional and versatile flexible materials in modern manufacturing and daily life. From protecting medicines in blister packs to keeping food fresh in flexible pouches, from insulating buildings to shielding electrical cables, aluminum foil's unique combination of barrier performance, lightweight, formability, conductivity, and recyclability makes it an essential material across food, pharmaceutical, construction, electrical, and industrial sectors. As sustainability and food safety standards continue to rise globally, aluminum foil remains the benchmark flexible barrier material for critical protection applications.
📋 Quality & Certification
Our Certifications
- ✅ ISO 9001:2015
- ✅ CE Marking
- ✅ SGS Certified
Mill Certificate Type
- 📋 EN 10204 3.1
- 📋 Original Mill Certificate
- 📋 Third Party Inspection Available
- 📋 Certificate of Origin
❓ Frequently Asked Questions
What alloy grades are used for aluminum foil?
The most commonly used aluminum foil alloys are 1235, 8011, 8021, and 8079. 1235 is a high-purity alloy for technical and capacitor foil. 8011 is the standard alloy for food packaging foil, bottle caps, and fin stock. 8021 offers high elongation for pharmaceutical blister foil. 8079 provides excellent pinhole resistance for flexible packaging lamination foil.
What is the difference between 8011 and 8021 aluminum foil?
8011 is the most widely used general packaging foil alloy, offering good strength and formability for food packaging, household foil, and closure applications. 8021 has a higher iron content (1.20–1.70%) which provides significantly higher elongation and better pinhole resistance, making it the preferred alloy for pharmaceutical blister packaging where formability and barrier integrity at thin gauge are critical.
What thickness of aluminum foil provides a complete barrier?
Aluminum foil at a thickness of 0.025mm (25 microns) or above provides a complete and absolute barrier to oxygen, moisture vapor, light, and micro-organisms. Below this thickness, pinholes may be present and the foil is considered a partial barrier, often used in multi-layer laminated structures where other film layers compensate for pinholes.
Is aluminum foil suitable for food and pharmaceutical contact?
Yes. Aluminum foil is non-toxic, odorless, and widely approved for direct food and pharmaceutical contact. It has been used in food packaging and pharmaceutical blister packaging for decades. Food-contact compliance documentation and pharmaceutical-grade surface quality certification are available from our qualified mill sources.
What core diameters and roll sizes are available?
We supply aluminum foil on core diameters of 76mm, 152mm, 300mm, 400mm, and 508mm to suit different converting equipment. Jumbo roll weights can range from 50kg to 5,000kg depending on thickness and width. Custom core diameter, roll weight, and width slitting are available to match specific converting line requirements.
Can aluminum foil be laminated with other materials?
Yes. Aluminum foil is widely laminated with polyethylene (PE), polypropylene (PP), PET, paper, and other substrates to create multi-layer flexible packaging structures combining aluminum's barrier properties with other materials' sealing, printing, or structural properties. 8079 and 8021 alloys are particularly preferred for lamination applications due to their surface wettability and adhesion performance.
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Aluminum Foil
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