8011 Aluminum Foil

In the fields of food, pharmaceutical, and industrial packaging, selecting the right material is crucial. 8011 aluminum foil, with its outstanding performance and wide applicability, has become one of the preferred materials in the global packaging industry.

What is 8011 Aluminum Foil?

8011 aluminum foil belongs to the 8000 series aluminum alloy, specifically designed for aluminum foil manufacturing.

Its core composition includes:

• Aluminum (Al) content:≥97.5%
• Silicon (Si):0.50-0.90%
• Iron (Fe):0.60-1.0%

This precise alloy ratio allows 8011 aluminum foil to maintain good ductility while possessing superior mechanical strength compared to pure aluminum.

Under the H14 temper, its tensile strength can reach 125-165 MPa, an increase of about 30% compared to pure aluminum foil.

Technical Parameters Overview

• Alloy Grade:8011
• Executive Standards:GB/T 3190-2020, GB/T 3880.1-2012, ASTM B479, AMS-QQ-A-1876
• Thickness Range:0.006-0.2mm
• Width Range:100-1600mm
• Tempers:O, H14, H16, H18, H22, H24, H26, H28
• Surface Treatment:Mill finish (bare foil), coated, color-coated, embossed
• Dyne Level:30-52 dyn/cm

Core Performance Advantages

Excellent Barrier Properties

8011 aluminum foil provides comprehensive protection for your products:

• Oxygen Barrier:Transmission rate <0.5cm³/(m²·24h·0.1MPa), effectively preventing oxidative deterioration.
• Moisture Barrier:Water vapor transmission rate <0.5g/(m²·24h), ensuring product dryness.
• Light-shielding Effect:100% light blockage, protecting light-sensitive products.

Outstanding Mechanical Properties

These performance indicators ensure that 8011 aluminum foil performs excellently in deep drawing, forming, heat sealing, and other processing procedures.

Food-Grade Safety Assurance

8011 aluminum foil complies with international food safety standards:

• Non-toxic, odorless, safe, and hygienic
• Compliant with FDA and GB food-grade requirements
• Can come into direct contact with food and pharmaceuticals
• Heavy metal content is strictly controlled within safe limits

Product Specifications

Thickness Range

• Medium gauge foil:0.01-0.1mm
• Light gauge foil:0.006-0.02mm
• Heavy gauge foil:0.02-0.2mm

Thickness tolerance is strictly controlled within ±4%.

Temper Selection

We provide various tempers according to application needs:

• O Temper (Annealed):Soft, good ductility, suitable for deep drawing and forming.
• H14/H16/H18 (Hard):High strength, suitable for applications requiring rigidity.
• H22/H24/H26 (Half-hard):A perfect balance of strength and formability.

Width Specifications

Standard width: 100-1600mm. Narrow coils can be customized according to customer needs (minimum width down to 20mm).

Surface Treatment Options

8011 Mill Finish (Bare) Foil

Untreated, maintaining metallic luster, suitable for subsequent lamination, printing, and coating.

Coated Aluminum Foil

• PE Coating: Economical and practical, suitable for general packaging.
• PVDF Coating: Strong weather resistance, suitable for outdoor applications.
• Epoxy Coating: Food-grade, used for contact layers.

Color-Coated Aluminum Foil

• Standard colors: Silver, gold, black, red, blue.
• Custom colors: Customized according to Pantone color codes.
• Surface effects: Glossy, matte, embossed.

Embossed Aluminum Foil

The surface is pressed with patterns such as grids or diamonds to enhance strength, slip resistance, and decorative effects.

Quality Testing System

• Wettability Test (Water Brush Test):High-end products reach Grade A standards, evaluating surface cleanliness and wettability.
• Visual Inspection:Ensuring the surface is free of oil stains, black spots, scratches, and wrinkles.
• Pinhole Detection:High-end products can achieve 0 pinholes/m² (pore diameter <0.3mm).
• Mechanical Property Testing:
• Tensile strength
• Yield strength
• Elongation
• Cupping value
• Heat sealing strength
• Chemical Composition Analysis:Based on the GB/T 3190 standard, ensuring alloy composition meets specifications.
• Barrier Property Testing:Testing oxygen transmission rate and water vapor transmission rate to verify product protection performance.

Production Process Flow

1. Melting and Casting:Raw material proportioning → In-furnace refining → Online degassing and slag removal to ensure aluminum liquid purity and reduce inclusions.
2. Casting and Rolling Process:Adopting short-process casting and rolling technology. Cast slab thickness: 6.5-7mm, Temperature control: 700-750℃.
3. Cold Rolling:Multi-pass cold rolling, gradually reducing the thickness to 0.24-0.28mm (foil rolling blank).
4. Foil Rolling:Final rolling to the target thickness. E.g., medium gauge foil: 0.01-0.1mm; light gauge foil: 0.006-0.02mm.
5. Annealing Treatment:
• Low-temperature annealing:Temperature 340-400℃, to obtain O temper soft aluminum foil.
• Intermediate annealing:Optimizing the microstructure and improving elongation.

Main Application Areas

Pharmaceutical Packaging

• PTP Blister Packaging: As an ideal substrate for pharmaceutical blister packaging, 8011 aluminum foil provides:
  • Heat sealing strength >6.5N/15mm
  • No pinholes in air-tightness testing
  • Excellent cold stamping/forming properties
• Pharmaceutical Closures: Suitable for oral liquid and capsule packaging, ensuring excellent sealing and safety.

Food Packaging

• Dairy Packaging: Typical thickness 0.025-0.05mm, used for fresh milk/yogurt lidding foils, milk powder sealing lids, etc.
• Catering Containers: 8011-H22/H24 temper, thickness 0.02-0.20mm, used for aluminum foil containers, takeaway boxes, and egg tart cups.
• Flexible Packaging Materials: Used for chocolate packaging, candy packaging, chewing gum wrappers, etc., after lamination and printing.

Closure Materials (Bottle Caps)

• Liquor and wine bottle caps
• Cosmetic bottle caps
• Beverage sealing caps
• Yogurt aluminum foil lids
• Core Advantages: Grade A wettability, low earing rate, excellent deep-drawing performance.

Industrial Applications

• Air Conditioner Foil:
  • Temper: 8011-H22/H24/H26
  • Thickness: 0.08-0.2mm
  • Usage: Air conditioner heat exchanger fins (hydrophilic/hydrophobic aluminum foil)
• Cable Foil:
  • Temper: 8011-O
  • Thickness: 0.1-0.2mm
  • Function: Cable shielding and protection
• Other Industrial Uses:
  • Transformer aluminum foil
  • Electromagnetic shielding materials
  • Aluminum foil tape

Packaging & Delivery

Standard Packaging

• Moisture-proof protection:Plastic film wrapping + desiccant
• Outer protection:Kraft paper padding + wooden pallet/wooden case
• Fixing method:Steel strapping to ensure transportation safety

Customized Packaging

Can be provided according to customer requirements:

• Small coil slitting packaging (10kg/20kg per coil)
• Special size wooden cases
• Export standard packaging

Core Selection

• Inner Diameter (ID):76mm, 152mm
• Material:Steel core or aluminum core

Market Analysis

Application Structure

• Food Packaging:Holds the largest market share, expected to maintain continuous growth in the future.
• Pharmaceutical Packaging:Stable demand, with continuously rising quality requirements.
• Industrial Applications:Growing along with the development of the air conditioning and electronics industries.

Development Trends

• Eco-friendly Alternative:Demand continues to increase as an environmentally friendly alternative to plastic packaging.
• Quality Upgrades:High-end applications require higher surface quality and barrier performance.
• Customized Services:Increasing customer demand for special specifications and coatings.

Why Choose Worthwill 8011 Aluminum Foil?

Product Quality Assurance

• High-Precision Production:Thickness tolerance: ±2%, Width deviation: <±0.1mm.
• Surface Quality:Mirror glossiness >85%, pinholes can reach 0/m².
• Stable Performance:Minimal performance fluctuations between batches, ensuring the stability of customers' production.

Technical Service Support

• Customized Solutions:Customizing specifications, tempers, and coatings according to specific customer needs.
• Technical Guidance:Providing heat sealing parameters, processing suggestions, and compatibility test data.
• Quick Response:Rapid response for sample provision and technical consultation.

Supply Chain Advantages

• Henan Industrial Cluster:We are located in China's major aluminum industry base, ensuring stable raw material supply and controllable costs.
• Capacity Guarantee:Sufficient annual production capacity ensures a stable supply and reliable delivery times.
• Convenient Logistics:Developed transportation network and high distribution efficiency, supporting various delivery methods.

Quality Certifications

• International Standards:Compliant with ASTM B479, GB/T 3190, and other standards.
• Safety Certifications:Passed FDA, RoHS, REACH, etc., complying with food-grade and environmental protection requirements.
• Quality Documents:Providing complete quality inspection reports, MSDS, and Material Test Certificates (MTC).

Frequently Asked Questions (FAQ)

Q: Can 8011 aluminum foil be deep-drawn?

A: Yes. 8011 aluminum foil in O temper and H14 temper has good ductility and is suitable for deep drawing. Our products have undergone professional testing to ensure no cracking occurs during the forming process.

Q: What is the Minimum Order Quantity (MOQ)?

A: The MOQ for standard specifications is relatively low. Special customized specifications depend on the specific situation. Feel free to contact us to get detailed information.

Q: Can you provide samples?

A: Yes, we can provide free samples for customers to test and evaluate. Samples can be provided according to your required specifications and temper.

Q: How long is the delivery time?

A: Standard products are usually delivered within 3-4 weeks. Customized products are determined based on specific requirements.

Q: How do you ensure product quality?

A: Each batch of products comes with a complete quality inspection report, including chemical composition analysis and mechanical property testing. We also support third-party testing.