Aluminium foil for household

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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.

The earliest citation given in the Oxford English Dictionary for any word used as a name for this element is alumium, which British chemist and inventor Humphry Davy employed in 1808 for the metal he was trying to isolate electrolytically from the mineral alumina. The citation is from the journal Philosophical Transactions of the Royal Society of London: "Had I been so fortunate as to have obtained more certain evidences on this subject, and to have procured the metallic substances I was in search of, I should have proposed for them the names of silicium, alumium, zirconium, and glucium."

Davy settled on aluminum by the time he published his 1812 book Chemical Philosophy: "This substance appears to contain a peculiar metal, but as yet Aluminum has not been obtained in a perfectly free state, though alloys of it with other metalline substances have been procured sufficiently distinct to indicate the probable nature of alumina."[69] But the same year, an anonymous contributor to the Quarterly Review, a British political-literary journal, in a review of Davy's book, objected to aluminum and proposed the name aluminium, "for so we shall take the liberty of writing the word, in preference to aluminum, which has a less classical sound."

The -ium suffix conformed to the precedent set in other newly discovered elements of the time: potassium, sodium, magnesium, calcium, and strontium (all of which Davy isolated himself). Nevertheless, -um spellings for elements were not unknown at the time, as for example platinum, known to Europeans since the 16th century, molybdenum, discovered in 1778, and tantalum, discovered in 1802. The -um suffix is consistent with the universal spelling alumina for the oxide (as opposed to aluminia), as lanthana is the oxide of lanthanum, and magnesia, ceria, and thoria are the oxides of magnesium, cerium, and thorium respectively.

The aluminum spelling is used in the Webster's Dictionary of 1828. In his advertising handbill for his new electrolytic method of producing the metal in 1892, Charles Martin Hall used the -um spelling, despite his constant use of the -ium spelling in all the patents[58] he filed between 1886 and 1903. It has consequently been suggested[by whom?] that the spelling reflects an easier-to-pronounce word with one fewer syllable, or that the spelling on the flyer was a mistake.[citation needed] Hall's domination of production of the metal ensured that aluminum became the standard English spelling in North America.

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Q:What's the application of aluminum foil thermal insulated hose?
Aluminum foil thermal insulated hose is used in ventilation system and air supply system. For example, it is by using various air hoses, including aluminum foil thermal insulated hose that cold & warm wind produced by the central air-conditioning are delivered to each room in a building.
Q:How to calculate each square meter of aluminum foil?
It isn't asking you to calculate the volume of aluminum foil. it needn't to measure the thickness.now the price is determined by the unit of square meter because there are many sizes of aluminum foil and the thickness are in many kinds:50MM,100MM,600MM and1000MM.in order to calculate easily, the price is made by square meter.
Q:Is aluminum foil pure aluminum?
No.
Q:What is carbon coated aluminum foil?
In fact, we see the "nano" word, no doubt to be sure, coated carbon foil is an advanced breakthrough technology innovation, so easier to save battery power, power loss is smaller, significantly improving the overall performance of the battery .
Q:How to remove words on aluminium foil used in medicine package? Is there any easy way?
Using a wet cloth to wipe it.
Q:Adhesion of aluminum and glass
Firstly, clean them up and then use bi-component polyurethane structural adhesive to spice them. Make the appearance of fiberglass polished and clean.The appearance of aluminum foil would better be anodized to make it have good tenacity and strength.
Q:What’s the use of aluminum foil glass wool felt ?
Aluminum foil glass cotton can absorb sound and shock. It is high-performance product with its sound absorption coefficient reaching 0.85. It also features high elasticity so as to reduce the shock from water flow. It has low heat conductivity and good thermal insulation. With low water absorption, bubbles on the dense surface can keep the water outside It also features fire resistance. When burning, it produces low concentration of smoke and does not burn. It has good workability and no harm to the skin and our health. It is nice-looking and can prevent the growth of mould.
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:What's the relationship among aluminum strip,aluminum foil and aluminium alloy strip?
Strictly speaking, all articles that made of aluminium alloy material can be called as aluminium products. It's a wide concept. Products that are called as aluminium alloy ingot in China are all considered as aluminium products. So, aluminium plate,aluminium strip, aluminium foil, constructional profiles and industry profiles are all different classifications. Aluminum foil is special aluminium plate, namely aluminium plate with special specification. Generally speaking, aluminium plate is products with sheet shape made of by aluminium alloy. When the thickness of aluminium plate is less than 1mm, it can be called as aluminium foil. Aluminium strip is a kind of the aluminium plate with a bigger proportion of length and breadth. When the proportion is bigger than 50, aluminium plate can be called as alumimium stripe. The bound among them isn't very clear.
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.

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