Aluminum sheet for someuse

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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:1 ton of aluminium=______ tons of Alumina
Aluminium is a reactive metal and it is hard to extract it from its ore, aluminium oxide (Al2O3). Direct reduction, with carbon for example, is not economically viable since aluminium oxide has a melting point of about 2000 °C. Therefore, it is extracted by electrolysis — the aluminium oxide is dissolved in molten cryolite and then reduced to the pure metal. By this process, the actual operational temperature of the reduction cells is around 950 to 980 °C. Cryolite was originally found as a mineral on Greenland, but has been replaced by a synthetic cryolite. Cryolite is a mixture of aluminium, sodium, and calcium fluorides: (Na3AlF6). The aluminium oxide (a white powder) is obtained by refining bauxite, which is red since it contains 30 to 40% iron oxide. This is done using the so-called Bayer process. Previously, the Deville process was the predominant refining technology. The electrolytic process replaced the W?hler process, which involved the reduction of anhydrous aluminium chloride with potassium. Both of the electrodes used in the electrolysis of aluminium oxide are carbon. Once the ore is in the molten state, its ions are free to move around. The reaction at the negative cathode is Al3+ + 3 e- → Al Here the aluminium ion is being reduced (electrons are added). The aluminium metal then sinks to the bottom and is tapped off. At the positive electrode (anode) oxygen gas is formed: 2 O2- → O2 + 4 e- This carbon anode is then oxidised by the oxygen. The anodes in a reduction must therefore be replaced regularly, since they are consumed in the process: O2 + C → CO2 So, as you can see, the exact tonnage required to produce 1 ton of aluminum is very sketchy at best...
Q:What is aluminium plate for?
Two outdoor and indoor, outdoor curtain wall decoration, indoor ceiling (such as aluminum pinch plate, aluminum grille, aluminum hanging tablets, etc.), color diversity, but also can be made imitation wood grain, imitation marble and other colors, widely used
Q:Carbon costs more than aluminum. But there are manufactures who make high quality alloy frames which costs just as much, if not more slightly than mediocre carbon frames.In your opinion, which is better, stiffer, and lighter?If you need examples....umm like Cervelo's S1 or CAAD9 compared to the lower quality carbon frames.
I am not sure where some of these posts came from, but from someone like myself who road cycles 6000 to 8000 miles per year and has a 3 year old carbon fiber frame, I have never had any problems with my frame... I have never heard of any carbon bike breaking unless it was in some MAJOR crash... the same crash that would destroy almost any bike (except cromealloy steel)... That being said, carbon frames are usually the lightest out there, but they can be pricey. Yes, they can be stiffer, but that is a GOOD thing because the power transfer through the drivetrain is better, especially when you have to get up out of the saddle. While riding regularly, especially on the flats, it gives a bit, providing a plush ride. I love my Specialized Roubaix Pro, pretty much everything on the bike is carbon, from the FSA cranks to the Specialized carbon stem... But be prepared to spend at least 3000 bucks to get the bike with good components. Ride safe and have fun!
Q:This aluminum is on a mobile home. I trying to repaint it and there is alot of areas were rust has ate the metal away. Especially in the seams. How can I get rid of the rust that already exists and stop it from coming back.
Aluminum doesn`t rust. This is probably tin. If a magnet sticks to it, treat and paint as you would steel.
Q:Over 5 billion aluminum cans are recycled each year. If laid end to end, these cans would form a line reaching from?
IDK, but this may give you some idea of 1 billion. 1 Billion seconds ago.. It was 1959 1 Billion minutes ago... Christ was alive.
Q:How much is the aluminum plate shearing machine?
Guillotine shears. Consult medirect dealAskCan cut 2 millimeters, 1.2 meters wide on the lineChasing the answerJust get a mechanical guillotine, 3*1500Contact me if necessary
Q:I've had a Champion bass boat forever, but today I bought an aluminum G3 boat that was so cheap I couldn't pass it up. The G3 is aluminum. What are the pros and cons?
In general terms, you will get a smoother, quieter better ride from the fiberglass than the aluminum. The fiberglass is heavier and will ride a little deeper in the water. Obviuosly, the aluminum will bounce off rocks better than the glass, but we usually try to avoid those situations. Also, resale will most likely be better on the good glass boats.
Q:on an hot day, which will stay cooler longer...aluminum, or copper? why?thanks!
copper aluminum’s conductivity is lower than copper.
Q:Our production needs a large number of plating aluminum plate, consult domestic and imported aluminum plate difference?
Guangdong Huayuan prosperous is the largest aluminum plate supplier 021-56808701, in Shanghai / Tianjin / Chongqing have logistics and storage, domestic aluminum plating surface coating treatment is less than imports, stamping coating is easy to fall,
Q:need help choosing an aluminum welder at a descent price also
It all depends on what you are doing. For light duty stuff 1/8 to 1/4 inch a spool gun will be the cheapest option. For intricate work tig. For production a push pull unit with a pulse arc but these are big $.

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