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Aluminium foil acts as a total barrier to light and oxygen (which cause fats to oxidise or become rancid), odours and flavours, moistness, and germs, it is used broadly in food and pharmaceutical packaging. The purpose of aluminium is to make long-life packs (aseptic processing|aseptic packaging) for drinks and dairy goods, which allows storing without refrigeration. Aluminium foil containers and trays are used to bake pies and to pack takeaway meals, ready snacks and long life pet foods.

Aluminium foil is widely sold into the consumer market, often in rolls of 500 mm (20 in) width and several metres in length.It is used for wrapping food in order to preserve it, for example, when storing leftover food in a refrigerator (where it serves the additional purpose of preventing odour exchange), when taking sandwiches on a journey, or when selling some kinds of take-away or fast food. Tex-Mex restaurants in the United States, for example, typically provide take-away burritos wrapped in aluminium foil.

Aluminium foils thicker than 25 μm (1 mil) are impermeable to oxygen and water. Foils thinner than this become slightly permeable due to minute pinholes caused by the production process.

Aluminium foil has a shiny side and a matte side. The shiny side is produced when the aluminium is rolled during the final pass. It is difficult to produce rollers with a gap fine enough to cope with the foil gauge, therefore, for the final pass, two sheets are rolled at the same time, doubling the thickness of the gauge at entry to the rollers. When the sheets are later separated, the inside surface is dull, and the outside surface is shiny. This difference in the finish has led to the perception that favouring a side has an effect when cooking. While many believe that the different properties keep heat out when wrapped with the shiny finish facing out, and keep heat in with the shiny finish facing inwards, the actual difference is imperceptible without instrumentation.The reflectivity of bright aluminium foil is 88% while dull embossed foil is about 80%.


We provide a full range of precision aluminum strip for almost any application. We produce aluminum strip in a wide variety of alloys, including clad composites. Our aluminum strip can be produced in standard dimensions or custom made to your special requirements. We produce both imperial and metric units. We manufacture in compliance with the main international specifications, and tighter tolerances or custom tempers are available upon request. We offer various surface conditions, custom finishes (painting, anodizing, embossing), special processing, and multiple packaging options to meet our customer's unique requirements. The following is a summary of our capabilities.

Manufactured in compliance with the main international specifications and standards, including:  Aluminum Association, ASTM, EN, and DIN.
We can also manufacture in compliance with other international standards including:ASME, SAE, AMS, AWS, FED, MIL, QQ, ISO, BS, AFNOR, JIS and GOST.

Manufactured in compliance with the main international specifications and standards.
Tighter tolerances are available upon request.


Aluminium (or aluminum; see spelling differences) is a chemical element in the boron group with symbol Al and atomic number 13. It is a silvery white, soft, ductile metal. Aluminium is the third most abundant element (after oxygen and silicon), and the most abundant metal in the Earth's crust. It makes up about 8% by weight of the Earth's solid surface. Aluminium metal is so chemically reactive that native specimens are rare and limited to extreme reducing environments. Instead, it is found combined in over 270 different minerals.The chief ore of aluminium is bauxite.

Aluminium is remarkable for the metal's low density and for its ability to resist corrosion due to the phenomenon of passivation. Structural components made from aluminium and its alloys are vital to the aerospace industry and are important in other areas of transportation and structural materials. The most useful compounds of aluminium, at least on a weight basis, are the oxides and sulfates.

Despite its prevalence in the environment, no known form of life uses aluminium salts metabolically. In keeping with its pervasiveness, aluminium is well tolerated by plants and animals. Owing to their prevalence, potential beneficial (or otherwise) biological roles of aluminium compounds are of continuing interest.

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Q:Which sides do we use when conducting the electricity.
Aluminum foil is a kind of metal paper with silver white package. it is called tin paper in Hongkong and it is a kind of pressed metal aluminum.It can be used in kitchen for cooking and the simple material.
Q:Are there any differences between the foil used for lithium-ion batteries and the aluminum foil for supercapacitors?
Fuel cell is a kind of special batteries, ordinary batteries energy storage material is stored inside the battery, and fuel cell energy storage material is externally provided, compared with ordinary batteries, fuel cells do not need to charge for it, as long as the input fuel he can work.
Q:The kitchen faucet is placed at the bottom of the cupboard.
Aluminum foil for food can be wrapped on both sides, and it is generally recommended to enhance the heat transfer effect with bright bread wrap. HistoryThe original foil is really made of tin foil, aluminum foil is hard, will also bring a tin taste in food, which later aluminum prices reduced, replaced the aluminum foil foil in daily life there. However, because of the influence of aluminum on the brain, the surface of the existing aluminum foil is coated with aluminum to avoid the release of the metal.
Q:Do I have to use aluminum foil for curtain walls?
We are rock wool board manufacturers, we provide glass curtain wall site is affixed to aluminum foil, the specific specifications we do not understand
Q:Aluminum foil wrapped chicken wings, microwave oven, you want to poke holes?
No, just a few knives on the chicken wing, because it's so easy to cook
Q:What are the factors that determine the price of the aluminum foil composite membrane?
What are the factors that determine the price of the aluminum foil composite membrane?Raw materialLabor costrelation between supply and demandPublicity expensesWaitPlease take ~!
Q:Does the aluminum foil can be effective in the environment of temperature 430 degree?
No,if it is thick.
Q:What's the weight of non flammable glass cloth composite aluminum foil sleeve?
Sichuan High German for you to answer:The roof part adopts 40mm rock wool insulation outsourcing aluminum foil glass cloth belonging to pipe insulation, fiber products should apply in the installation of fixed brush oil, anti-corrosion and insulation engineering "in the branch" (Guan Ke) installation "and" glass cloth layer "aluminum protective layer" installation of the quota items.
Q:Can foil paper be used in microwave ovens?
Aluminum foil can not be used in microwave ovens, although the supermarket has dedicated aluminum foil, but be careful. Because the aluminum foil packaging food into the furnace heating, aluminum foil and the inner wall contact will produce sparks.Microwave produced by microwave oven belongs to radio frequency band, usually around 2500MHz. This band of microwaves has the following features: 1) it can be absorbed by food and water, causing molecules to move violently and produce heat. 2) not absorbed by plastics, ceramics, or glass. 3) the metal conducts electricity under the influence of the electric field of the microwave. The electric field of thick metal can resist the microwave, and the microwave reflected out, so the inner wall of the microwave oven is made of thick metal; if the thick walled metal container in the microwave and metal containers will reflect the microwave so that the food is not heated. But the foil is too thin, so electrical conductivity can cause a catastrophic reaction. The process of conducting a thin metal so rapidly that its temperature rises linearly can cause a fire. At the same time, the tip produced by the heat contraction of the foil causes sparks, which can ignite any combustible material in the microwave oven.
Q:How can the aluminum foil hose be connected with the toilet exhaust fan?
Interface must be more winding a few laps, and after installation, to open the exhaust fan test whether the exhaust is normal, that is complete installation.

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