World Top aluminum foil manufacturers

24 de julio World Top aluminum foil manufacturers

Aluminum foil is produced from aluminum that has been melted, refined, cast, and rolled into increasingly thinner gauges. It is widely used in food packaging, pharmaceuticals, household products, capacitors, battery applications, and other industrial products.

Behind high-quality aluminum foil is a controlled upstream production process. Before aluminum can be rolled into foil, the molten metal needs to be properly treated to control dissolved hydrogen, non-metallic inclusions, alloy composition, and temperature. These factors can affect casting stability and the quality of the rolled product.

This article introduces major aluminum foil manufacturers and explains where molten aluminum treatment fits into the aluminum foil production process.

Major Aluminum Foil Manufacturers

There is no single global ranking that consistently represents all aluminum foil manufacturers because companies differ in product range, production capacity, geographic markets, and degree of vertical integration.

The following companies are well-known participants in the global aluminum foil and rolled aluminum industry.

Novelis

Novelis is one of the world’s major aluminum rolling and recycling companies, supplying flat-rolled aluminum products for markets including packaging, automotive, aerospace, and specialty applications.

Its product portfolio includes aluminum sheet and foil products. Novelis operates an integrated network of rolling and recycling facilities across North America, South America, Europe, and Asia. It is a subsidiary of Hindalco Industries.

Novelis also completed its acquisition of Aleris in 2020. Therefore, Aleris should not be treated as a separate major aluminum foil manufacturer in a current industry list.

 

Hindalco Industries

Hindalco Industries is a major integrated aluminum and copper producer and the parent company of Novelis.

Through its upstream aluminum operations and Novelis’ downstream rolling business, the group covers multiple stages of the aluminum value chain. Novelis supplies aluminum sheet and foil products for packaging and other applications.

Constellium

Constellium is a global manufacturer of rolled and extruded aluminum products. Its products serve industries such as aerospace, automotive, packaging, and other transportation and industrial applications.

Its position in the downstream aluminum industry makes it relevant when discussing major aluminum rolled-product manufacturers.

Hulamin

Hulamin is a South African aluminum semi-fabricator producing rolled aluminum products for packaging, beverage cans, and other industrial applications.

Its operations demonstrate the importance of controlling aluminum quality throughout melting, casting, rolling, and finishing.

Xiamen Xiashun

Xiamen Xiashun Aluminium Foil is a major Chinese aluminum foil manufacturer with an integrated production chain covering aluminum slab, sheet, and foil.

The company produces packaging foil, battery foil, and other specialty aluminum foil products. Its current facilities include aluminum foil and aluminum sheet production bases in Xiamen.

Xiashun states that its aluminum foil production capacity is approximately 120,000 tonnes per year, with additional aluminum sheet capacity. In 2026, the group also acquired the Italian aluminum processing company Carcano, expanding its international production and supply network.

Assan Aluminio

Assan Alüminyum is a major Turkish manufacturer of flat-rolled aluminum products, including aluminum foil and sheet products.

Its products are used in packaging, industrial, construction, and other applications, making it a significant participant in the European and global aluminum rolling industry.

ELVAL

ELVAL is an established European aluminum rolling company producing flat-rolled aluminum products for packaging, transportation, building, and industrial applications.

Its operations include products used in demanding downstream applications where aluminum surface quality, mechanical properties, and consistency are important.

UACJ

UACJ is a major Japanese aluminum rolled-products manufacturer formed through the integration of Furukawa-Sky Aluminum and Sumitomo Light Metal Industries.

The company produces aluminum sheet and foil products for applications including packaging, automotive, electronics, and industrial products.

Gränges

Gränges is a global manufacturer of rolled aluminum products, particularly for heat exchanger and specialized applications.

Although its product mix differs from companies focused primarily on packaging foil, it is an important participant in the global aluminum rolling industry.

Carcano

Carcano is an Italian aluminum foil manufacturer with a long history in the European aluminum processing industry.

The company became part of Xiashun’s global aluminum processing group in 2026, following Xiashun’s acquisition of Carcano.

What Happens Before Aluminum Foil Rolling?

Aluminum foil quality is not determined only by the final rolling process.

The upstream molten aluminum quality can influence the stability and cleanliness of the material entering the rolling process.

A simplified production route is:

Melting → Alloying → Melt Treatment → Filtration → Casting → Hot/Cold Rolling → Foil Rolling → Finishing

Depending on the production route, casting may involve direct-chill casting, continuous casting, or continuous twin-roll casting.

The exact process varies according to alloy, product specification, foil gauge, production equipment, and manufacturer.

Why Does Molten Aluminum Quality Matter for Aluminum Foil?

Aluminum foil is a thin, highly processed product. Defects or impurities introduced during melting and casting may become more difficult to manage during subsequent rolling operations.

Three areas are particularly important.

Dissolved Hydrogen

Molten aluminum can absorb hydrogen from moisture, wet charge materials, furnace atmospheres, tools, and refractories.

Hydrogen has much lower solubility in solid aluminum than in liquid aluminum. During solidification, excess hydrogen can form gas porosity.

For this reason, aluminum melt degassing is commonly used before casting to reduce dissolved hydrogen and lower the risk of hydrogen-related porosity.

Non-metallic Inclusions

Oxide films and other non-metallic inclusions can enter molten aluminum during melting, charging, alloying, transfer, and furnace operations.

If they remain in the melt, they can affect casting quality and downstream processing.

Ceramic foam filters and other filtration systems are therefore used to remove non-metallic inclusions from molten aluminum before casting.

Temperature and Melt Transfer Launder

Aluminum foil production also requires stable thermal conditions.

Excessive temperature loss during transfer can affect casting conditions, while excessive overheating can increase oxidation and hydrogen pickup.

A properly designed molten aluminum transfer system, including launders and filtration equipment, helps maintain a stable flow and temperature between process stages.

Explore Our Molten-Aluminum Treatment

What Melt Treatment Does Aluminum Foil Production Require?

There is no single melt treatment method that solves every melt-quality problem.

A typical aluminum melt treatment system may combine several technologies.

Desgasificación

Degassing is primarily used to reduce dissolved hydrogen in molten aluminum.

In a rotary degassing system, an impeller or rotor introduces nitrogen or argon into the melt and disperses the gas into fine bubbles.

Hydrogen transfers from the molten aluminum into the purge-gas bubbles and is carried out of the melt.

Rotary degassing is generally more controlled and repeatable than simple manual gas injection because the rotor provides more consistent gas dispersion and melt circulation.

Filtración

Filtration is mainly used to remove non-metallic inclusions from molten aluminum.

Ceramic foam filters provide a tortuous flow path through which molten aluminum passes while larger inclusions are retained within the filter structure.

The appropriate filter type, PPI, size, and filtration configuration depend on the alloy, melt flow rate, casting process, and required cleanliness.

Flux Treatment

Fluxes can be used for specific melt-treatment functions such as refining, slagging, covering, or other metallurgical requirements.

The correct flux should be selected according to alloy composition, melt condition, treatment objective, and process requirements.

Flux treatment should not be considered a replacement for proper degassing and filtration when those processes are required.

Temperature Control

Melt treatment must also be carried out within an appropriate temperature range.

Temperature affects melt fluidity, hydrogen behavior, oxidation, filtration, transfer, and casting conditions.

Therefore, melt treatment and temperature management should be considered together rather than as completely separate operations.

Aluminum Foil Production Process

Although production routes vary between manufacturers, a simplified aluminum foil production process can be represented as:

Aluminum Charge

↓

Fusión

↓

Alloying / Composition Adjustment

↓

Melt Treatment

↓

Desgasificación

↓

Filtración

↓

Reparto

↓

Rolling

↓

Foil Rolling

↓

Slitting / Finishing

↓

Aluminum Foil Products

Melt treatment takes place before or during the casting stage rather than during the final foil rolling process.

This is why controlling molten aluminum quality at an early stage can be important for downstream foil production.

What Aluminum Melt Treatment Equipment Is Used Before Casting?

Depending on the production line, an aluminum plant may use several types of equipment and consumables.

Melt Treatment Requirement	Typical Solution
Reduce dissolved hydrogen	Rotary degassing unit
Remove non-metallic inclusions	Filtro de espuma cerámica
Controlled filtration	Filter box
Refining / slag treatment	Aluminum melt flux
Molten aluminum transfer	Sistema de lavado
Casting flow control	Casting tip / refractory components
Improve melt cleanliness	Combined degassing + filtration + process control

The exact combination depends on the alloy, casting method, melt volume, throughput, cleanliness target, and existing plant configuration.

How Can Aluminum Foil Manufacturers Improve Melt Quality?

A reliable melt-quality strategy should address the entire process rather than relying on a single piece of equipment.

Key measures include:

• Keep charge materials, tools, and refractories dry.
• Control furnace and holding temperatures.
• Minimize unnecessary melt exposure to moisture and oxidation.
• Use appropriate degassing conditions to reduce dissolved hydrogen.
• Use effective filtration to remove non-metallic inclusions.
• Select fluxes according to the alloy and treatment objective.
• Maintain stable molten aluminum transfer conditions.
• Monitor melt quality before casting.
• Match filtration and degassing capacity with actual metal throughput.
• Regularly inspect rotors, filters, launders, and other refractory components.

For high-quality aluminum foil production, melt treatment should be considered part of the overall quality-control system rather than an isolated operation.

 

Why Is Filtration Important for High-Quality Aluminum Foil?

Aluminum foil production places demanding requirements on the quality of the starting aluminum.

Once inclusions or oxide-related defects enter the cast material, downstream rolling cannot simply eliminate every problem.

Effective filtration provides an opportunity to remove non-metallic inclusions before casting.

This is particularly important when producing aluminum products for applications with demanding cleanliness requirements, such as packaging foil, capacitor foil, and battery foil.

However, filtration performance depends on the complete system, including filter selection, melt flow rate, temperature, filter area, installation, and upstream melt condition.

Does AdTech Supply Equipment Directly to Aluminum Foil Manufacturers?

AdTech supplies products used in the upstream aluminum melt treatment and casting stages.

Our products can be relevant to aluminum producers, rolling mills, casting plants, and other manufacturers that process molten aluminum before downstream rolling or finishing.

Typical applications include:

• Aluminum foil production
• Aluminum sheet production
• Aluminum strip casting
• Colada continua
• Aluminum billet casting
• Aluminum slab casting
• Aluminum alloy production
• Other molten aluminum casting processes

The appropriate product configuration should be selected according to the customer’s alloy, production capacity, casting process, melt flow rate, temperature, and existing equipment.

Conclusión

Major aluminum foil manufacturers operate at the downstream end of a much larger aluminum production chain.

Before aluminum becomes foil, the molten metal must be melted, alloyed, treated, filtered, cast, and rolled under controlled conditions.

For this reason, aluminum melt quality is an important upstream consideration for foil manufacturers.

AdTech supports these upstream processes with ceramic foam filters, aluminum degassing units, filter boxes, aluminum melt fluxes, launder systems, casting tips, and other metallurgical materials and casting components.

AdTech does not manufacture aluminum foil itself. Instead, we provide technologies and components that help aluminum producers and downstream manufacturers control molten metal quality before casting and rolling.

If you are evaluating a filtration, degassing, or molten aluminum transfer solution for an aluminum foil or rolling operation, the appropriate configuration should be based on your alloy, melt flow rate, casting method, and required melt cleanliness.

Preguntas frecuentes

1. Who are the major aluminum foil manufacturers in the world?

Major aluminum foil and rolled aluminum producers include Novelis, Hindalco Industries, Constellium, Hulamin, Xiamen Xiashun, Assan Alüminyum, ELVAL, UACJ, Gränges, and other regional manufacturers. The global market changes over time, so production capacity and company ownership should be checked when comparing manufacturers.

2. How is aluminum foil manufactured?

Aluminum foil production generally involves melting, alloying, melt treatment, casting, rolling, and foil rolling. Depending on the product and production line, the casting stage may use direct-chill casting or continuous casting processes.

3. Why is molten aluminum quality important for aluminum foil production?

Molten aluminum quality affects casting stability and the quality of the material entering the rolling process. Dissolved hydrogen, non-metallic inclusions, oxidation, and poor temperature control can contribute to defects that may affect downstream processing.

4. How is hydrogen removed from molten aluminum before casting?

Dissolved hydrogen is commonly reduced through degassing with nitrogen or argon. In rotary degassing, a rotating graphite rotor disperses the inert gas into fine bubbles, allowing dissolved hydrogen to transfer into the bubbles and leave the melt.

5. How are inclusions removed from molten aluminum?

Non-metallic inclusions are primarily removed through molten aluminum filtration. Ceramic foam filters provide a porous filtration path that retains many oxide films and other solid inclusions before the metal enters the casting process.

6. Do aluminum foil manufacturers need both degassing and filtration?

In applications where low hydrogen levels and high melt cleanliness are required, degassing and filtration address different problems and are often used together. Degassing primarily reduces dissolved hydrogen, while filtration primarily removes non-metallic inclusions.

7. What equipment is used for aluminum melt treatment before foil production?

Common equipment and materials include rotary degassing units, ceramic foam filters, filter boxes, molten aluminum launders, and aluminum melt treatment fluxes. The required combination depends on the alloy, casting method, melt flow rate, and cleanliness requirements.

8. Can ceramic foam filters improve aluminum foil quality?

Ceramic foam filters can reduce non-metallic inclusions entering the casting process. Their effectiveness depends on factors such as filter specification, filtration area, melt flow rate, temperature, installation, and the condition of the molten aluminum.

9. What does AdTech supply for aluminum foil production?

AdTech does not manufacture aluminum foil. We supply upstream molten aluminum treatment and casting products, including ceramic foam filters, aluminum degassing units, filter boxes, fluxes, launder systems, casting tips, and related metallurgical materials.

10. What information is needed to select aluminum melt treatment equipment for foil production?

Important information includes the aluminum alloy, melt volume, production capacity, casting method, metal flow rate, operating temperature, required melt cleanliness, existing filtration or degassing equipment, and available installation space. This information helps determine the appropriate equipment and configuration.