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:How does the fireproof performance of alunimun foil?
The fireproof performance of alunimun foil is very bad, because the aluminum foil isn't pure aluminum.
Q:Are the aluminum foil bag and the aluminum plastic composite bag the same thing?
They are different. the aluminum foil bag (antistatic bag,aluminum foil package bag) the facade of aluminum foil bag: transparent and silver white,barrier property,heat sealability,light prevention,heat resistance, cold resistance,frgarance holding;poisonousless,softness,ect.the stcucture of the product:PET/AL/PET/PE. the aluminum plastic composite bag has many advantages:low cost, beautiful prints;anti-static,ultraviolet-proof,moistureproof,oxygen partition,lightproof,cold-resistance,printing oil resistance,heat resistance,freshness preservetion and leakproofness.
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.
Q:Why aluminum foil can be used in food packaging?
3.The food is more likely to deteriorate the light irradiation, reflective foil wrapped more favorable light, improve product shelf life.
Q:What specification does air hose of aluminum foil have?
XPS composite duct is taking stereoplasm B1-level flame retardant poly ethylene foam as insulating layer. Double-sided embossed aluminum foil is a new composite product through one-time processing. The product quality is light, beautiful and suitable for decoration and some requirements on high-grade places. It is convenient for installation and maintenance. It's innocuous and unpoisonous and with high-pressure resistance, dampproof, air proof, low heat conductivity coefficient and long-time heat insulation performance. It can also provide a maximum ceiling height. It has a high space utilization and is an economic product that is encironmental and healithy.
Q:the features of aluminum-foil bag
The main material structure of aluminum-foil bag: pet/ny/al/pe(the normal package) pet/ny/al/cpp(thermophilic digestion).Waterproof,dampproof,anti-static,anti-electromagnetic interference,high mechanical strength,high thermal sealing property,wide product fraction of coverage,widely used in cosmetics,facial mask,medicinal materials,drugs,solutions,foods,PC boards,IC integrated circuit,CD driver,hard disk,LCD components,welding material,electric products,circuit board,a good sealing perfromance,high barrier degree,low oxygen transmission rate and low moisture permeability,moistureproof,antifouling,anti-radiation and anti corruption,high mechanical property,high blast resistance,good tear resistance, thermostability, low temperature resistance, elegant appearance, match package conditions of food and medicine(vacuum supply)
Q:What causes the velocity effect of the aluminum foil?
During the aluminum foil rolling process, with the rise of the thickness of the foil rolling system and thinning phenomenon is known as speed effect. For speed effect mechanism has yet to be explained in-depth research, the cause is generally believed that the speed of effect the following three aspects:
Q:Why the double-sided self-adhesive foil easily layered and very smelly.
Generally speaking, both sides of double-sided self-adhesive are usually isolating membrance, not aluminum foil. Both sides need to be uncovered to use as pre-installed and inverted adhered. If one layer is aluminum foil, it's one side self-adhesive. If it's smelly, it is must made of inferior raw material with one industrial waste as self-adhesive material. This kind of raw material has strong cancerogenic effects.It's also very smelly in the making process. Campus surrounding plants also die because of the smell. What's more, its waterproof effect is also decreased. You would better not to use it.
Q:Is aluminum foil rubber & plastic thermal insulated material expensive?
1. Thermal insulated sponge board, soundproof rubber & plastic cotton, high-temperature-resistant material. Price: 5.8 yuan. 2. Aluminum Foil Rubber & Plastic Thermal Insulated Cotton. Price: 2.5 yuan. 3. Aluminum Foil Self-Adhesive Thermal Insulated Cotton Rubber & Plastic Board. Price: 4.8 yuan. The above prices are from Internet and for your reference only.
Q:What's the material of aluminum foil roller
The aluminum roller the roller plant and the roller machine take the advantage of the pressure produced by the change of temperature.

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