Aluminum foil for some use

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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:Does the aluminum foil can prevent from the sunlight shining?
Yes, it can prevent the sun shining.
Q:What's the aluminum foil coiled material?
The aluminum foil coiled material is a layer of aluminum. If thinner, it is called aluminum film used for SBS or APP. If thicker, it is called aluminum foil used for self adhesion. Actually it is a layer of aluminum film. Manufacturers can produce according to the requirements of customers.
Q:What is performance advantages of carbon-coated aluminum foil?
2. To improve the adhesion of the bonding of the active material and current collector, the material is soft, easy to process and reduce manufacturing costs pole piece. Such as: • improve the use of water-based systems and adhesion of the positive electrode material collector; • improve the adhesion of nanometer or submicron cathode material and a collector; • improve the adhesion or other high-capacity lithium titanate anode material and a collector; • Increased pole pieces made of qualified rate, lower pole piece manufacturing costs.
Q:Is aluminum foil paper heat-proof?
It is easier to conduct heat than insulate heat.
Q:Does the aluminum foil bag prevent x-ray
The aluminum foil bag can prevent the X-ray.The common indusrial (LED,mask packaging,audio card,food packaging,ect.,the kinds of aluminum foil bag have the function of anti-static and radiation.The common aluminum bag can't prevent the static and radiation,only the special aluminum foil bag can prevent the X-ray)doesn't have such function.The common aluminum bag and PCB board,like the package of tea leaves,can't prevent static and radiation. there are many kinds of aluminum bag.
Q:Is aluminium foil ultraviolet-proof?
Yes, but this property is not very good. When aluminium foil is fixed with plastic and paper, its ultraviolet-proof property will improve greatly.
Q:Does the aluminium paper can be used in the micro wave oven?
Yes. Any kinds of aluminium foil can be used in the micro wave oven.The aluminium foil used in the micro wave oven is selled in the supermarket! Control the temperature! The food should be heated balancedly and prevent nutrients loss.I usually use the aliminium foil when cooking the beer fish. Aluminium foil:high temperature cooking aluminium foil、low temperature aluminium foil,ect. The aluminium foil wrapped food should be put into the oven for heating. The use should be avoided if the aluminium foil have the spark when contact to the interior wall of the oven.
Q:what is the price of aluminum foil cover glass wool board ?Aluminum foil cover glass wool board with thermal insulation. Aluminum foil cover glass wool board with acoustic panel
1,glass wool board 50mm aluminum foil cover glass wool board fire insulation wool KTV-dedicated sound insulation glass wool cotton.
Q:Does reflective coating of aluminum-foil paper can be pasted to the glass?
Reflective coating of pure aluminum foil has a low heat conductivity coefficient,high heat transfer rate. Staple bolt is easily to be penetrated. Staple bolt penetrates reflrctive coating and rapidly recover after meeting high temperature.The heat energy of place where staple bolt penetrates can reflect the roof,making the construction easier and more efficient. The drape is easily to be flattened. Crease lines can influence the effect.Using reflective coating of common mirror,adopting PAP aluminum-plastic slice and staple bolt easily to be penetrated
Q:Is tin foil paper the same as aluminum foil?
The difference between aluminum foil and tin foil, which are mainly used to wrap cigarette, is their thickness and control of high temperature resistance! “Tin foil” and “aluminum foil” are produced respectively by metal tin and aluminum through calendaring. Aluminum foil paper mainly use offset printing, for example, the disposable meal box on the plane which is made from aluminum foil and can be heated in micro-oven, some fried food and aluminum foil for hairdressing like the so called tin foil perm. Besides, aluminum foil is applicable to many fields like packaging, printing, medicine, electronic, food, and building.

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