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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:What are the functions of vacuum bag and aluminum foil bag?
The functions of vacuum bag and aluminum foil bag include: With three/four-layer structure (PET/aluminum foil/ nylon/PE), aluminum foil bag is characterized by good water-proofness, moisture-proofness, anti-staticness, antijamming, high mechanical strength and heat sealability. It is specially suitable for anti-static and moisture-proof vacuum packaging of large-scale precise machinery and equipment, chemical raw materials, food and pharmaceutical products.
Q:As for the aluminum foil reflecting coating of floor heating, which is better?
The first step is to figure out the function of this layer. The function of reflecting coating of floor heating is to reflect the heat emitted from heating pipe to the surface. The better mirror effect of aluminum foil, the better reflectivity effect. There is no need to consider the function if prices are quite different. Actually there is no difference between mirror and grain, because both will be covered by cement. It is recommended to focus on pipe material and XPS insulation board.
Q:Find a weld and riveting machine to connect the two roll of aluminum together. the width of aluminum is 40-60cm,because the surface of aluminum has a layer of oxidation film,so...
I am a high voltage professional welder. I can't endure the current surge,even the spot welding. the surface oxidation film can be baked by the cutting knife,or polish by the abrader. no matter how big the welding rod is useless.The aluminum is too thin.
Q:What are the characteristics of color coated aluminum coil?
4. Mechanical: High quality aluminum, plastics and adhesives, the use of advanced composite technology. Products with the desired decorative plate bending, bending strength at the four seasons climate state, change air pressure, temperature, humidity and other factors, will not cause bending, deformation, expansion or the like.
Q:How to tear the aluminium paper package neatly by handy techniques
Use the rule to press the tin paper and use box cutter to cut the paper in right size.
Q:What is aluminum foil tape?
Low temperature, the first thought is fridge and freezer, yes, low temperature aluminum foil tape fixed above refrigerators, freezers and other appliances metal pipe played a magical role, in addition, it also applies to all joints paste composite aluminum foil, as well as cotton insulation panels and ducts airtight vapor and the like.
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 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:What's the highest temperature the aluminum foil and tin foil can resist?
Tin foil paper can resist high temperature. Aluminum foil paper or aluminum foil which is also called tin foil paper in Hong Kong, is a kind of thin sheet of less than 0.2mm in thickness processed by aluminum foil roller. It is mainly used to cook and contain food, or make some kinds of material for cleaning. Tens of and thousands of aluminum foil papers are used to preserve and package food, cosmetic products and chemical products. The applications of tin foil paper are as follows: 1. Prevent food from sticking baking tray; 2. Prevent food from sticking dirty stuff; 3. Convenient to clean baking tray; 4. Package the seasoning and stuffing to prevent them from falling into pieces when baking food; 5. Preserve water and keeping fresh.
Q:What's the shiny alluminum foil?
Rubber resin ink industry generally adopts two kinds of rubber resin, namely, chlorinated rubber and thermopren. Natural rubber can be considered as shiny alluminum foil. Unmodified epoxy resin can be used as a light cover and aluminum foil coating.The epoxy resin can react with amine or reactive polyamide,organic acid,carbimide,phenol,aldehyde, melamine and formaldehyde resin to generate a soft film.

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