We are a professional manufacturer of aluminium foil,Aluminium Household Foil,Aluminium Container Foil,Aluminium Cable Foil,Aluminum sheet and Aluminum coil and have been exporting our products to overseas markets in the past 17 years.
We know you are searching for large quantity of aluminium foils in your market for long term. So how to reduce your cost and earn more profit will be a key problem of your side.

Production Process

The process of producing aluminium foils involves many steps, including refining, smelting, rolling and finishing before it becomes the common product that is used in households every day.

1. aluminium ore extraction by Bayer. First, the so-called grinding a mixture of aluminium ore bauxite and sodium hydroxide it. Pump pressure the mixture into a large tank, where the mine will be broken down into a solution of sodium alumninate and legacy pollutants. Next, the tanks and presses through the solution set. Disposal of trapped pollutants. Transfer to solve a cooling tower. Mobile solve a silo, and add aluminum hydrate crystals, which will attract more crystals from the solution, the formation of aluminium hydroxide. Filters, washing and thermal exposure at high temperatures. The dehydration will produce aluminum oxide.

2
Smell compounds, the first step in the production. Melting the aluminum oxide cell, the cell is carbon steel, and containing a liquid is heated conductor closed. Current generated by the crust, you will continue to fall off, dissolved, stirring inch aluminum will be created in the bottom of the aluminum mold. And input of aluminum melting pot, where you can add other elements of the alloy. There will be cast into the cold and then heated container. Scroll to the foil.

3
Extruded aluminium foil rolling mill and extrusion to the correct thickness. Occasionally, to maintain flexibility in the heating foil. The foil touches the surface of work roll surface, it creates a shiny completed, two will be rolling with the moving matte finish on both sides. At this point, trim the edges of foil, cut into small pieces of debris

4
To complete the coating has a wide range of material it foil. Resins and polymers can be used to protect or seal foil, or foil laminated paper or plastic film. Cutting, forming into the desired shape and foil printing or embossed patterns. Aluminum foil packaging for delive

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Mechanical Propertie

Light yet strong, aluminium foil has unique deadfold characteristics which make it ideal for wrapping and re-wrapping many different products and product shapes, while minimising the need for sealants. Because it is very malleable it can be easily deformed without losing its barrier integrity, making it an ideal material for use in combination with other flexible substrates to create very thin laminates for a variety of markets and consequently, again, save resources.

Physical characteristics

Density	2.7 g/cm³
Aluminium foil specific weight	6.35 µm foil weighs 17.2 g/m2
Melting point	660°C
Electrical conductivity	64.94% IACS (IACS: International Annealed Copper Standard)
Electrical resistivity	26.5 nΩm
Thermal conductivity	235 W/m K
Thickness	Foil is defined as measuring less than 0.2mm (<200 µm)

History

Before aluminium foil
Foil made from a thin leaf of tin was commercially available before its aluminium counterpart. It was marketed commercially from the late nineteenth into the early twentieth century. The term "tin foil" survives in the English language as a term for the newer aluminium foil. Tin foil is less maleable than aluminium foil and tends to give a slight tin taste to food wrapped in it. Tin foil has been supplanted by aluminium and other materials for wrapping food. The first audio recordings on phonograph cylinders were made on tin foil.

The first aluminium foil
Tin was first replaced by aluminium in 1910, when the first aluminium foil rolling plant, "Dr. Lauber, Neher & Cie." was opened in Emmishofen, Switzerland. The plant, owned by J.G. Neher & Sons, the aluminium manufacturers, started in 1886 in Schaffhausen, Switzerland , at the foot of the Rhine Falls - capturing the falls' energy to produce aluminium. Neher's sons together with Dr. Lauber discovered the endless rolling process and the use of aluminium foil as a protective barrier in December 1907.