Chalco supplies aluminium foil for sealing applications with stable heat seal performance, laminated structure compatibility, and reliable barrier properties. Our foil materials are widely used in packaging systems requiring resistance to moisture, oxygen, and contamination, helping ensure product safety and extended shelf life.
Chalco aluminum foil products, including 8011, 1235, and 8079 alloys, are designed for heat sealing and laminated packaging applications. With support for coating systems, customized structures, and consistent bulk supply, they are widely applied across food, pharmaceutical, and industrial packaging projects.
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Alloy: 8011 / 8079 aluminum
Thickness: 40–80 μm
Temper: H18 / H22
Features: Higher strength, good pressure resistance, reliable sealing integrity, suitable for HDPE and PET bottles
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Alloy: 8011 / 8021 aluminum
Thickness: 10–50 μm
Temper: O
Features: Soft and flexible, good formability, peelable sealing performance, suitable for yogurt cups and dairy packaging
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Alloy: 8011 / 8021 / 8079 aluminum
Thickness: 30–90 μm
Temper: O / H22
Features: Suitable for laminated structures, strong barrier to moisture and oxygen, good flexibility for bags, pouches, and container sealing
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Alloy: 1235 aluminum
Thickness: 15–100 μm
Temper: O
Features: High purity aluminum, clean surface, stable sealing performance, compliant with pharmaceutical and hygiene requirements
Aluminum Foil Seal for Bottles
Aluminium foil for bottle sealing, typically supplied in 8011 and 8079 alloys, is widely used in beverage, pharmaceutical liquid, and chemical packaging applications. It is suitable for HDPE and PET containers, providing reliable sealing, pressure resistance, and stable performance during filling, transportation, and storage. Chalco provides tailored aluminum foil structures and sealing solutions to meet different bottle materials, sealing methods, and packaging requirements.
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Aluminum foil + heat seal lacquer
Suitable for standard sealing applications such as bottled water, beverage bottles, and daily chemical containers, providing stable adhesion and sealing performance
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Aluminum foil + heat seal film (peelable or non-peelable)
Used in applications requiring controlled opening or higher sealing strength, such as milk bottles, nutritional supplements, and pharmaceutical liquid containers
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PET / Aluminum foil / heat seal layer
Multi-layer laminated structure used for higher barrier and strength requirements, commonly applied in carbonated beverages, chemical liquid packaging, and high-demand sealing systems
Sealing Methods: Bottle sealing applications use heat-based systems to activate the sealing layer and achieve reliable bonding: heat sealing and induction sealing. These methods ensure stable adhesion between the foil and the container opening under different packaging conditions.
For bottle sealing applications, Chalco provides aluminum foil structures with reliable sealing integrity and pressure resistance, ensuring stable performance in beverage and liquid packaging systems.
Aluminum Foil for Cup and Dairy Sealing
Aluminium foil for cup and dairy sealing, typically supplied in 8011 and 8021 alloys, is widely used in yogurt, milk, and instant food packaging applications where easy opening and sealing reliability are required. It is suitable for plastic cups and coated paper containers, ensuring consistent sealing performance during filling, storage, and transportation. Chalco provides tailored aluminum foil structures and sealing solutions to meet different packaging materials, sealing conditions, and opening requirements.
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Aluminum foil + heat seal lacquer (peelable)
Used in yogurt cups and dairy packaging, providing easy peel performance and clean opening without residue
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Aluminum foil + heat seal film (easy peel or strong seal)
Suitable for milk products, instant food containers, and cup sealing applications requiring controlled opening force or higher sealing strength
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Paper / Aluminum foil / heat seal layer
Commonly used for paper cups and composite containers, providing stable sealing and compatibility with different cup materials
Sealing Methods: Cup and dairy sealing applications mainly use heat sealing systems to activate the sealing layer and achieve stable bonding between the foil and plastic cups or coated paper containers.
For cup and dairy packaging, Chalco supplies peelable aluminum foil solutions designed for easy opening, clean separation, and consistent sealing performance in food packaging lines.
Aluminum Foil for Food and Flexible Packaging Sealing
Aluminium foil for food and flexible packaging sealing, typically supplied in 8011, 8021, and 8079 alloys, is widely used in laminated packaging structures such as food bags, pouches, trays, and container sealing applications. It provides effective barrier protection against moisture, oxygen, and light, ensuring product freshness and shelf life. Chalco offers tailored aluminum foil materials and laminated structures to meet different packaging formats and processing requirements.
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Aluminum foil + heat seal lacquer
Suitable for basic sealing structures in food packaging, providing reliable sealing performance and compatibility with different substrates
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Aluminum foil + heat seal film
Used in flexible packaging requiring stronger sealing and adaptability to different processing conditions
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PET / Aluminum foil / PE or PP laminated structure
Multi-layer laminated structure widely used in food bags and pouches, offering excellent barrier performance and mechanical strength
Sealing Methods: Food and flexible packaging sealing applications mainly rely on heat sealing systems to achieve stable bonding within laminated structures under different processing conditions.
For flexible packaging applications, Chalco offers laminated aluminum foil solutions with strong barrier performance and adaptability to various packaging structures.
Aluminum Foil for Pharmaceutical and Blister Sealing
Aluminium foil for pharmaceutical and blister sealing, typically supplied in 1235 alloy, is widely used in medical packaging applications such as blister packs, strip packs, and pharmaceutical containers. It provides high barrier protection against moisture, oxygen, and light, ensuring product stability, safety, and extended shelf life. Chalco supplies aluminum foil materials designed to meet pharmaceutical packaging requirements and regulatory standards.
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Aluminum foil + heat seal coating
Used in blister packaging applications, ensuring reliable sealing with PVC, PVDC, and other pharmaceutical substrates
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Aluminum foil + protective coating
Designed to enhance corrosion resistance and surface protection, suitable for pharmaceutical and healthcare packaging environments
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Laminated aluminum foil structures
Applied in high-barrier pharmaceutical packaging systems requiring enhanced protection and durability
Sealing Methods: Pharmaceutical sealing applications mainly rely on heat sealing systems to achieve precise and stable bonding between the aluminum foil and packaging substrates.
For pharmaceutical and blister packaging, Chalco provides high-purity aluminum foil with clean surface quality and reliable sealing performance to meet medical packaging requirements.
Aluminum Foil Materials and Alloy Options for Sealing Applications
Aluminium foil for sealing applications is typically supplied in 1000 and 8000 series alloys, selected based on sealing performance, formability, and packaging requirements across different applications. Chalco provides a range of aluminum foil materials to support bottle sealing, cup and dairy packaging, pharmaceutical packaging, and flexible packaging systems.
8011 aluminum foil: For bottle and food sealing, with stable sealing performance.
8021 aluminum foil: For dairy and flexible packaging, with good formability and barrier.
8079 aluminum foil: For high-barrier laminated packaging, with enhanced strength.
1235 aluminum foil: For pharmaceutical packaging, with high purity and clean surface.
Types of Aluminum Foil for Sealing Applications
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Heat Seal Aluminum Foil
Standard aluminum foil supplied with heat seal coating for general sealing systems. It provides reliable sealing performance and compatibility with various container materials.
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Peelable Aluminum Foil
Designed for easy opening applications, commonly used in yogurt, dairy products, and food containers. Peelable foil allows controlled opening force and clean separation without residue.
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Laminated Aluminum Foil
Multi-layer composite aluminum foil combined with polymer films, used in flexible packaging and high-barrier applications. It offers enhanced mechanical strength, sealing stability, and protection against moisture, oxygen, and light.
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Induction Seal Aluminum Foil
Specialized aluminum foil used in induction sealing systems, mainly for bottle cap sealing. It ensures strong sealing integrity and is widely applied in beverage, pharmaceutical liquid, and chemical packaging.
Chalco provides a full range of aluminum foil alloys and product types for sealing applications, supporting customized material selection based on your packaging requirements.
Coating and Sealing Compatibility
Aluminium foil for sealing is supplied with different heat seal coating systems and laminated structures to meet various packaging requirements. The sealing performance mainly depends on the coating formulation and its interaction with different substrate materials.
Available coating and sealing solutions
- Heat seal coating for strong sealing applications
- Peelable coating for easy opening and controlled adhesion
- Laminated aluminum foil structures for enhanced sealing strength and barrier performance
These solutions are compatible with common packaging substrates, including PP, PE, PET, PVC, and paper-based containers.
Sealing Conditions and Performance
- Heat sealing temperature: 180–250 °C
- Controlled pressure and dwell time to ensure stable bonding
- Reliable sealing strength and adhesion stability
- Good puncture resistance for handling and transportation
- Effective barrier against moisture, gas, and light
Manufacturing and Supply Capability
Chalco provides integrated manufacturing and supply capabilities for aluminum foil sealing materials, ensuring stable quality and reliable performance for industrial packaging applications.
Rolling and thickness control: ensure uniform foil quality across different specifications
Slitting and precision cutting: meet various width and packaging requirements
Production range: thickness from 0.005–0.2 mm and width up to 2000 mm
Surface processing: embossing and printing for functional performance and branding needs
Surface quality control: minimize defects such as scratches, wrinkles, and pinholes
Online inspection: full-length surface and pinhole detection for consistent quality
Quality monitoring: ensure stable performance in sealing and packaging processes
Stable supply: support bulk orders and long-term industrial projects
Customization support: tailored specifications for project-based material solutions
With stable production capability and consistent quality control, Chalco supports aluminum foil supply for sealing applications across various industrial projects. We welcome your project inquiries and cooperation opportunities.
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Get Aluminum Foil for Sealing Applications
Chalco supplies aluminum foil base materials, heat seal coated foil, and laminated aluminum foil structures for a wide range of sealing applications. With stable production and project-based customization support, we ensure reliable performance and consistent supply for industrial packaging projects.
Contact us for project consultation and customized material solutions.
Chalco can provide you the most comprehensive inventory of aluminum products and can also supply you customized products. Precise quotation will be provided within 24 hours.
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