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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 advantages and disadvantages of aluminum foil packaging?
Aluminum foil disadvantages: Low intensity, easily torn, not be used for packaging products. Easy to break when folded, to produce perforations, not acid.
Q:What's the raw materials of high-precision alumimium foil?
It's the high-precision aluminium. Aluminium foil is produced by constant rolling and annealing.
Q:Which is better, tin foil anti-moisture pad and aluminum foil anti-moisture pad?
Aluminum foil anti-moisture pad is more stable and causes no harm. Tin and aluminum are widely used by us and years have seen no security incidents. But tin is unstable at low temperatures, turning into powders. Aluminum foil moisture proof pad is EVA processed. It is user friendly and cost effective. The shortcoming is easily damaged.
Q:How to eliminate static in aliminum foil bag?
Aluminum foil bag can protect electrostatic sensitive components from electrostatic potential hazards to the highest degree. They unique four-layer structure can form an inductive cover to make things in bags isolate from static electric field. Furthermore, the inner layer is made low density polyethylene which can remove the static can avoid static generation inside the bag. This kind of hot sealable bag is translucence , so the good inside can be easily recognized outside and the product bar code can be read. It's mainly used in package of electronic elements and PC board. It can also be used in packaging industry.
Q:What's the specific gravity of aluminum foil?
The specific gravity of aluminum foil is in the same with that of aluminum ingot, which is 2.7t/m^3 and slightly different according to different aluminum foil material.
Q:Whether aluminum tape has conductivity of heat?
aluminum tape usually don't stress conductivity of heat. General Cable using aluminum tape mainly consider its high temperature resistance and insulativity.
Q:What are the functions of vacuum bag and aluminum foil bag?
Vacuum bag, also called close-fitting moisture-proof bag, aluminum foil bag, aluminum-plastic composite bag, adopts PET/AL/CPE or PET/NY/AL/CPE as its material. Among them, PET has good printing effect, NY low oxygen permeability, AL strong barrier property and light tightness and CPE double packing. Adhesive: Water-soluble adhesive (more sanitary, environmental with less liquid residue) is featured by good anti-staticness, oxygen isolation, shielding, moisture-proofness, opacity and heat sealability. The products can be reinforced with anti-static function, product description, company logo and anti-static marks with no changes of product performance according to the special requirements of users. It is suitable for electronics, communications, national defense in which vacuum packaging is required. Aluminum foil bag usually refers to aluminum-plastic composite vacuum bag, suitable for moisture-proof and light-proof vacuum packaging of large-scale precise machinery and equipment, chemical raw materials and pharmaceutical intermediates. With four-layer structure, it is characterized by good water-proofness and oxygen isolation. Aluminum foil bag can be made into flat pocket style, three-dimensional bags, organ bags, etc, according to the requirements of customers. The test results of GB and ASTM show that the product complies with environmental requirements (a third party testing report available if required) and the environmental standard of EU and North America in which packing material is most strictly required.
Q:Why the printing ink dropped when etching the aluminum foil.
3.We can watching from these aspects: there are dust,silk screen,producing ink and other material.The reason for thin ink
Q:Can aluminum foil paper be put in microwave oven?
Yes. But not all aluminum foil can be heated din the microwave oven. Microwave oven for specialized use is available in the supermarket. It can control temperature to evenly heat the food and prevent nutrition loss. I often use it when making beer fish. aluminum foil fall into aluminum foil for high-temperature cooking and for low temperature cooking. When putting the food wrapped with aluminum foil into the microwave oven, the contact of aluminum foil with inner wall will cause sparks. Therefore, please use it with caution.
Q:How about the effect of aluminum foil thermal insulation roof?
Aluminum foil can be used in thermal insulation in high-temperature environment by taking advantage of good reflectivity of aluminum face. However, there is still little heat produced by the air convection between the aluminum faces. If absolute thermal insulation is required, multi-layer vacuum aluminum reflective thermal insulation structure can be used. It is recommended to use aluminum honeycomb panel as roof due to its moisture resistance, thermal insulation, environmental friendliness, low cost and compressive strength.

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