Aluminum foil for house hold

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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:Why continuous annealing aluminum foil production process?
Aluminum is generally required aging, this process is just the opposite with annealing refers to aluminum produced insufficient hardness, increase the hardness after aging treatment, making it difficult to deformation, anti-stress increase.
Q:the features of aluminum-foil bag
The main material structure of aluminum-foil bag: pet/ny/al/pe(the normal package) pet/ny/al/cpp(thermophilic digestion).Waterproof,dampproof,anti-static,anti-electromagnetic interference,high mechanical strength,high thermal sealing property,wide product fraction of coverage,widely used in cosmetics,facial mask,medicinal materials,drugs,solutions,foods,PC boards,IC integrated circuit,CD driver,hard disk,LCD components,welding material,electric products,circuit board,a good sealing perfromance,high barrier degree,low oxygen transmission rate and low moisture permeability,moistureproof,antifouling,anti-radiation and anti corruption,high mechanical property,high blast resistance,good tear resistance, thermostability, low temperature resistance, elegant appearance, match package conditions of food and medicine(vacuum supply)
Q:How dose cable aluminum foil work?
Almost with foil tape, cable foil mainly using aluminum foil shielding and sealing ability of electromagnetic signals. For cable foil, it is generally not very high, less oil surface, no holes in it, just one side of an aluminum foil or plastic film coated on both sides, the cable can be used as a protective cover.
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:What's the use of aluminum tape?
It is used for fire resistance. Aluminum tape is made by pasting aluminum foil, glass fiber cloth and silicone paper with acrylate adhesive by using unique techniques. It is often used in thermal insulating and fire resistant surface of HAVC air-line system, sealing the puncture of bar for line and damage repairing of fire resistant aluminum foil glass fiber surface and thermal insulation of automobiles, train carriage and ship pipelines.
Q:Where to buy aluminum tape?
Aluminum tape is available in building materials market, packing material stores and advertising material stores. If not, kitchen ventilator store may be a choice.
Q:What's the aluminum sheet and its features?
After been hot-rolled and cold-rolled, aluminum slabs with a thickness of above 0.3mm can be called as aluminium plate or aluminium strip(with a rolled shape); with a thickness of less than 0.3mm can be called as aluminium foil or aluminium foil strip(with a rolled shape). Aluminium foil is usually made of the type 1 or type 2 industrial aluminum. Aluminiym foil has all features of metal aluminium. Heat conduction, gasproof, light insulation and electromagnetic radiation shield are all important features.
Q:How does the fireproof performance of alunimun foil?
The fireproof performance of alunimun foil is very bad, because the aluminum foil isn't pure aluminum.
Q:The thickness of aluminum foil tape is 1.4 silk. How many millimeters it is?
1 silk is 0.01 millimeters and 1.4 silk is 0.014 millimeters.
Q:How to calculate the weight and length if knowing the width of single layer of aluminum foil,density, diameter of outside roll and diameter of inner roll?
You can calculate the volume by the external diameter, inner diameter and width. the weight can be known by the density and volume, then the weight and length canbe known too.

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