Aluminum foil for can

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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:Heat of Aluminum?
The specific heat of pure aluminum is 0.23 BTU/lbm- deg F. That is also equal to 0.23 cal/g-deg C So lets see how close this is. 1100 calories/(60g * 70 deg C) 1100cal/4200 g - deg C = 0.262 cal/ g - deg C I believe that to be right
Q:electric arc furnace electrode arm made by aluminum, how to repair?
You will need to bring the temperature of what ever you're working on up to a fairly high temperature. Aluminum cools quickly, and causes the fresh weld to contract and crack as it cools.
Q:Aluminum band treble sounds good?
The high pitched sound field of an aluminum band is shaped by a longitudinal distribution, so it is good to remove the axle.
Q:Why some board mounted pills are covered with a layer of aluminum foil?
Tropical aluminum structure is NY25 / Alu60 / VC, super good barrier properties, but can also punched out in the above pattern, further play publicity. However, once this package apart, tropical aluminum barrier function is not, so to finish as soon as possible.
Q:How to prevent aluminum foil from wrinkling?
Due to the strip shape is serious bad, folding formed in the process of aluminum foil coiling or expanding. Its essence is that its tension is not enough to make the box surface flattening. For a device with the tension of 20 mpa, the box surface flatness shall not be greater than 301. When it is more than 301, it will wrinkle inevitably. Due to the rolling aluminum box often bear the bigger tension than follow-up processing, some aluminum foil that just show the bad strip shape when rolling turn to wrinkle when cutting or used after annealing. Main reasons of wrinkling are due to poor flatness controlling, including incorrect roll grinding ,unreasonable roll shape controlling, unreasonable parameter controlling of rolling and cutting process, bad incoming material strip shape and incorrect strip shape adjusting and imperfect precision of sleeve or tube core. Main reasons of wrinkles: The large amount of pressure make the rolling uneven or coiling lack tension. Improper controlling of roll shape or rolling pressure is too low; Uneven thickness of billet, bad flatness or shear wave. Winding shaft precision is not good and the sleeve is not round. Improper control of pressing roller pressure.
Q:How high can aluminum foil be? Twenty
The melting point of aluminium is 660.4 degrees centigrade and the boiling point is 2467. The foil can resist high temperature, but it will be oxidized. A white powder, a covalent compound, having a melting point of 2050 DEG C and a boiling point of 3000 DEG C. Therefore, it can be inferred that if oxidized, the final result may not be aluminum foil, but also alumina. A touch may be powdery.
Q:what is are things made out of aluminum?
just look around you for a few days
Q:aluminum macbook vs 2011 macbook pro?
THIS ONE IS BEST ACCORDING TO YOUR REQUIREMENT Apple MacBook Pro MC700LL/A 13.3-Inch Laptop *13.3-inch LED-backlit glossy widescreen display with edge-to-edge, uninterrupted glass (1280 x 800-pixel resolution). *2.3 GHz Intel Core i5 dual-core processor (Sandy Bridge) with 3 MB shared L3 cache for excellent multitasking. *Intel HD Graphics 3000 with 384 MB of DDR3 SDRAM shared with main memory. *320 GB Serial ATA hard drive (5400 RPM) *4 GB installed RAM (1333 MHz DDR3; supports up to 8 GB) *8x slot-loading SuperDrive with double-layer DVD support (DVD±R DL/DVD±RW/CD-RW) *Built-in FaceTime HD camera for video chatting *Wi-Fi wireless networking (based on 802.11n specification; 802.11a/b/g compatible) *Gigabit Ethernet wired networking (10/100/1000) *Bluetooth 2.1 + EDR (Enhanced Data Rate) for connecting with peripherals such as keyboards, mice and cell phones *Two USB 2.0 ports, one FireWire 800 port *SDXC card slot *Thunderbolt port with native Mini DisplayPort output plus support for DVI, VGA, dual-link DVI, and HDMI (requires adapters, sold separately) *Multi-Touch trackpad for precise cursor control with support for inertial scrolling, pinch, rotate, swipe, three-finger swipe, four-finger swipe, tap, double-tap, and drag capabilities *Full-size backlit keyboard *Stereo speakers with subwoofers *Dimensions: 12.78 x 8.94 x 0.95 inches (WxDxH) *Weight: 4.5 pounds *Up to 7 hours of battery life *Meets Energy Star 5.0 requirements *Rated EPEAT Gold
Q:Who knows the price of 3m conductive aluminum foil tape?
Q:Emergency: the scrap aluminum production enterprises how to conduct accounting treatment,
The cost of scrap is usually included in the cost of the product. Therefore, the sale of scrap, only income, there is no cost. If the need for management, the establishment of "raw materials - Waste - XXX" can also be. Examples are as follows:1, March 5th workshop in accordance with product production needs. Lead aluminum 1000kg, the unit price is 23.4567 yuanBorrow: production cost - direct material 23456.70Credit: raw materials, -XX profiles, 1000kg 23456.702 and March 25th, the waste generated by the workshop 20kg into the waste warehouse, according to the market price of 5 yuan /kg valuation, according to retire the library for accounting treatmentBorrowing: production costs - direct material -100Credit: raw materials - Scrap - profiles -20kg, -1003 and March 27th, the stock 1200kg scrap sent to the foundry for aluminum ingot, ingot factory price 6 yuan /kgBy: accounts receivable - foundries 7200Credit: other business income + tax 72004, March 27th, scrap exchange aluminum ingot 1050kg, unit price 8 yuan /kg, separately pay processing fee 1200 yuanBorrow: raw material - aluminium ingot 10508400Credit: accounts receivable - foundries 7200Accounts payable - foundries 1200Payment of processing fees (differentials)By: accounts payable 1200Cash: 1200

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