Aluminum Foil for Can Stock

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Aluminium alloys with a wide range of properties are used in engineering structures. Alloy systems are classified by a number system (ANSI) or by names indicating their main alloying constituents (DIN and ISO).

The strength and durability of aluminium alloys vary widely, not only as a result of the components of the specific alloy, but also as a result of heat treatments and manufacturing processes. A lack of knowledge of these aspects has from time to time led to improperly designed structures and gained aluminium a bad reputation.

One important structural limitation of aluminium alloys is their fatigue strength. Unlike steels, aluminium alloys have no well-defined fatigue limit, meaning that fatigue failure eventually occurs, under even very small cyclic loadings. This implies that engineers must assess these loads and design for a fixed life rather than an infinite life.

Another important property of aluminium alloys is their sensitivity to heat. Workshop procedures involving heating are complicated by the fact that aluminium, unlike steel, melts without first glowing red. Forming operations where a blow torch is used therefore require some expertise, since no visual signs reveal how close the material is to melting. Aluminium alloys, like all structural alloys, also are subject to internal stresses following heating operations such as welding and casting. The problem with aluminium alloys in this regard is their low melting point, which make them more susceptible to distortions from thermally induced stress relief. Controlled stress relief can be done during manufacturing by heat-treating the parts in an oven, followed by gradual cooling—in effect annealing the stresses.

The low melting point of aluminium alloys has not precluded their use in rocketry; even for use in constructing combustion chambers where gases can reach 3500 K. The Agena upper stage engine used a regeneratively cooled aluminium design for some parts of the nozzle, including the thermally critical throat region.

Another alloy of some value is aluminium bronze (Cu-Al alloy).



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 is the use of aluminum foil?
Extensive use of aluminum foil, for example: Aviation food packaging, general packaging meat, cigarette packaging. Experts according to the different characteristics of the application, it will be divided into more than 20 varieties. Different countries due to differences in levels of economic development, the consumption structure of aluminum foil big gap.
Q:How aluminum foil developed in China?
Aluminum foil companies may cooperate with market research firm, the market for its full research and feasibility studies, the use of models of professional development, make the brand in the aluminum foil market segments. Although the new lateral aluminum foil market is small, but the longitudinal extension of industrial chain, will produce aluminum material into end products, relying on high-value-added products can offset the lack of professional capacity size of the market, relying on specialized brand competitive advantage, still to obtain better operating efficiency.
Q:What are the characteristics of aluminum foil?
(6) as an opaque aluminum foil packaging material, so the sun rays of products, such as margarine is a good packaging material. (7) Al foil has good plasticity, it can be used to package products of various shapes. It may result in any of various containers. (8) aluminum foil hardness, tensile strength is also large, but its small tear strength, so easy to tear.
Q:Is aluminum foil rubber & plastic thermal insulated material expensive?
Aluminum foil rubber & plastic thermal insulated material is expensive. 1: Huamei B1 Aluminum Foil Rubber & Plastic Thermal Insulated Material 980 yuan/m³. 2: B2 Aluminum Foil Rubber & Plastic Thermal Insulated Material 550 yuan/m³, factory price 3: Shenzhou B1 Aluminum Foil Rubber & Plastic Thermal Insulated Material 9000 yuan/m³ 4: B2 Aluminum Foil Rubber & Plastic Thermal Insulated Material 550 yuan/m³. The above prices are from Internet and for your reference only.
Q:What's the important characteristic and the advantages of aluminum food package bag
The aluminum food package has the advantages of withstanding high temperature,puncture-resistant,deformation.The package materials of aluminum are made of PE/AL/PE/CPP. The PE is effective in painting.
Q:How to classify aluminum foil according to shape?
2. Semi-rigid foil: aluminum foil hardness (or strength) of the aluminum foil rigid foil and soft foil is commonly used for forming. 3. Soft foil: After full annealing after rolling and become soft aluminum foil, soft material, no residual surface. Most applications, such as packaging, composite, electrical materials, use soft foil.
Q:Can aluminum foil paper be put in microwave oven?
Metalized vessels cannot be heated in the microwave oven. That's why you oven sparkles. Frequent use like this may blacken the sheet mica in the oven chamber, or even seriously puncture the magnetron which can be repaired for free or with fees. However, there are not so many limits on light wave oven. what you should keep in mind is that do not heat vessels with low melting point for too long. Light wave oven actually is similar to the original baking. Only the baking effect of light wave oven is better than before.
Q:How to wash away the oil of aluminum foil products after being pressed?
I suggest that you can use the volatile punching oil since it won't be rudimental.
Q:What's the aluminum-foil bag? What's the purpose of it? Is it poisonous? Can it be uesd in food industry?
Aluminum-foil bag is a kind of bag that using the ductility of aluminum and pressed by machine. There are some poisonous metal bags like external packing of capsule,capsule mounting and packing box of milk products.
Q:In which way does composite aluminum foil achieves heat insulation?
The features: the first aluminum foil layer(1), the second aluminum foil layer(3)and plastic film layer (2) bond together. Plastic film(2) is between the first aluminum foil layer(1)and the second aluminum foil layer(3). This utility model composite aluminum has good strength,toughness,shock resistance and high ability of acidproof and alkaliproof. It is also with property of gas insulation,thermal insulation,ultraviolet ray insulation and radiation protection.The outside two layers of composite aluminum foil is aluminum foil, which appearence is like the current monolayer aluminum foil and with the same property with it. It can save the material costs and is the ideal substitute of monolayer aluminum foil.

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