Aluminum foil for aireconditioning

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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 patentshe filed between 1886 and 1903. It has consequently been suggested[by whom?] that the spelling reflects an easiertopronounce 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:Is aluminum foil a kind of alloy or something else?
Aluminum foil is pure aluminum, (except for the fake) which is a kind of thermoprinting material made by calendaring aluminum into sheet. Since its thermoprinting effect is similar to that of silver foil, it is also called fake silver foil. As aluminum is soft and ductile with silvery luster, aluminum foil sheet can be made by mounting calendered aluminum sheet on the offset paper with sodium silicate, which can be used to print. But the color of aluminum foil will gradually become dark as it is easy to be oxidized and it fade due to friction and touching, so it is not applicable to the thermoprint of book covers for permanent preservation.
Q:Why chocolate is packaged by aluminum foil?
Although chocolate is not easy to corrupt, but when the temperature to 20 degrees Celsius, which is a component of cocoa butter will melt and begin to separate, frozen again will condense a white cream substance on the surface, it affects the flavor. So chocolate is generally used aluminum foil wrap is good, usually on the freezer to save. Secondly, he has the role of moisture, maximum relative humidity of 65%.
Q:Does the aluminium tin foil poisionous?
The tin foil bag is used in the barbeque. The poisionous tin foil or the aluminium foil bag are used in the barbeque to wrap the food and the sauce is forbidden to add. The experts said that the sour sauce may have an reaction with the aluminium tin foil paper to produce the aluminium and tin in the food. the minor symptom can be acute gastroenteritis, the severe symptom can cuase the brain hurt and alzheimer disease. while the most of present coverge material in the barbeque selling on the market is aluminium tin foil paper.
Q:Why it needs to use the diluted alkalito have an reaction with aluminum foil.
Al first has reaction with the alkali and produces aluminium hydroxide.Then aluminium hydroxide has a reaction with four hydroxyl aluminum acid radical{[Al(OH)3]-},which write as (AlO2). Al first have a racction with H2O producing aluminium hydroxide and then have a reaction with alkali.
Q:Does the aluminum foil bag prevent x-ray
The aluminum foil bag can prevent the X-ray.The common indusrial (LED,mask packaging,audio card,food packaging,ect.,the kinds of aluminum foil bag have the function of anti-static and radiation.The common aluminum bag can't prevent the static and radiation,only the special aluminum foil bag can prevent the X-ray)doesn't have such function.The common aluminum bag and PCB board,like the package of tea leaves,can't prevent static and radiation. there are many kinds of aluminum bag.
Q:Why the printing ink dropped when etching the aluminum foil.
(may be the dust from the workshop),spraying the printing ink layer to the blister.the printing environment is bad and the light sensitivity anti-acid etching printing ink.1.the ink is bad,so under the circumstances of the same mode, the ink can be polluted.2.the net number of printing is huge.
Q:The thickness of aluminum foil tape is 1.4 silk. How many millimeters it is?
1 silk is 0.01 millimeters and 1.4 silk is 0.014 millimeters.
Q:Can aluminum foil paper be put in microwave oven?
Carbon-coated aluminum foil is an technology innovation which conducts surface treatment of conductive substrate of battery by using functional coating. Carbon-coated aluminum foil/ copper foil refers to evenly coat aluminum foil/ copper foil with predispersed nano conductive graphite and carbon coated particles. It has good static conductivity and collects micro current of active material, thus reducing the contact resistance between the positive/negative electrode material and flow concentration, enhancing the adhesion to each other and significantly improving the battery performance. The coating can be divided into water-borne coating (water system) and oil-borne coating (organic solvent system).
Q:how to remove aluminum-foil paper in the opening of plastic bucket?
Use hot air of hair dryer to blow it, use wet towel to wipe it, use water to steep it or use steel wire ball.
Q:What are the advantages of carbon-coated aluminum foil in lithium battery applications?
3. To improve consistency, increase the cycle life of the battery; 4. improve the adhesion of the active material and current collector, a pole piece reduce manufacturing costs; 5. The collector protection against corrosion electrolyte;

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