Aluminum foil for use container

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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:[excuse me] do you have the customs code for the aluminum foil bags and cartons?
Landlord can go to the network query immediately try
Q:Science project: Cost of Aluminium? 10 points?
Welcome to the LME Aluminium hub page. In this useful section of the site you will find information relating to the LME's largest traded contract. For convenience, settlement prices, opening stocks and the forward price curve for Aluminium are detailed below. From this page you can also navigate to the LME Aluminium contract specification, details of the Aluminium committee members, consumption and production information, and current listed brands. LME Official Prices (US$/tonne) for 24 Nov 2010 LME Official Opening Stock (in tonnes) ALUMINIUM CASH BUYER 2,241.00 CASH SELLER SETTLEMENT 2,242.00 3-MONTHS BUYER 2,262.50 3-MONTHS SELLER 2,263.50 15-MONTHS BUYER 2,325.00 15-MONTHS SELLER 2,330.00 27-MONTHS BUYER 2,383.00 27-MONTHS SELLER 2,388.00 DATE ALUMINIUM 24 Nov 2010 4291675
Q:How about the effect of aluminum foil thermal insulation roof?
The thermal insulation principle of aluminum foil film is the reflection of light. For better effect of thermal insulation, it is recommended to use professional thermal insulation material such as phenolic foam board, rock wool, EPS, XPS, etc. Suitable material should be chosen to satisfy different practical requirements. 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.
Q:how much aluminum can be produced?
4Al + 3O2 === 2Al2O3 Aluminum and oxygen are of their elemental states, they usually react to type a compound. So it is a redox reaction. Mentioned a different way, the oxidation numbers of aluminum and oxygen start at zero and alter to +3 for aluminum and -2 for oxygen, and that is oxidation and reduction.
Q:Should the aluminum foil fiberglass pipe be insulated?
In recent years have been accepted by various applications, especially in recent years, the rapid development of the supermarket industry.
Q:What's the relationship among aluminum strip,aluminum foil and aluminium alloy strip?
Aluminum foil is the augmented products of aluminum strip.
Q:Microwave oven grill, can foil wrapped food to bake it?
Microwave oven grill can be wrapped with foil wrapped food to bake:The original foil is wrapped food with microwave to barbecue, it can heat faster and more uniform, not only can the microwave barbecue stalls, but barbecue time will be extended, at the same time, the surface of the grill marks is not obvious, does not look beautiful. It is the same as the food heating, the steam formed in the paper, it steamed the same.The grill of the microwave oven is only heated by two light tubes or a quartz tube, and there is no particular requirement for the food vessel, so it can be wrapped with foil paper to bake it. Other parts of the corner pointed wings, chicken or fish head, tail or cake too easy to cook, cover with aluminum foil wrap can be cooked evenly.
Q:how could aluminum (the alloy) be changed to be made better?
Aluminium isn't an alloy - it's an element. They improve it (hardness, corrosion resistance etc) by changing it into one of several alloys by adding several different ingredients, depending on what sort of an alloy they need.
Q:What are the characteristics of aluminum foil and aluminum foil, what is the difference?
X B pinyin is coated with a thin layer of tin paper, multiple folded or paste into the ingot shaped, superstitious people used to give a ghost incineration. Aluminum foil aluminum rolled into sheets of hot stamping material, the effect of stamping and silver foil stamping similar effects, so it is also called false because of silver. Aluminum soft texture, good ductility, with silver white luster, if after rolling sheet made of aluminum foil in the offset paper with a sodium silicate material mounted, can also be printed. But the foil itself easy oxidation and dark, friction, touch will fade, so it can not be used to save Yu Changjiu the book covers the hot stamping foil. Because of its excellent characteristics, widely used in packaging materials, food and beverages, cigarettes, drugs, daily necessities, household photographic plates; electrolytic capacitor materials; thermal insulation materials for building, vehicle, ship, etc. housing can also;
Q:What is the thickness of the aluminum foil? please?
First, you need to find the density of aluminum. It happens to be 2.7g/cm^3. Use your known mass along with the density to find the volume: 2.50 g / 2.7 g/cm^3 = 0.9259 cm^3 Then, divide by the two known dimensions to find the third: 0.9259 cm^3 / 2.8 cm = 0.3307 cm^2 0.3307 cm^2 / 1.8 cm = 0.1837 cm or 0.018 mm.

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