Aluminum foil for airconditioning

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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:As for the aluminum foil reflecting coating of floor heating, which is better?
Kraft paper aluminum foil reflecting coating of floor heating is better. It uses quality PET aluminum laminated film and non-woven fabric thermal insulated material. Featured by high brightness, good fastness, aging resistance, non-dealumination and no thermo printing, PET aluminum laminated film has been preferred in choosing reflecting coating. Kraft paper aluminum foil reflecting coating is a composite material characterized by water resistance, moisture resistance, smoothness, clear printing, thermal insulation and high reflectivity. By combines the characteristics of traditional polystyrene board with reflecting coating, Kraft paper aluminum foil reflecting coating has the features of both EPE and aluminum laminated film and thus becomes very popular in the market.
Q:Overview of aluminum foil
Q:What are the characteristics of color coated aluminum coil?
1. smoothness: High temperature composite surface without indentation. Board no residual stress, deformation after shearing. 2. Decorative: Painted wood, Shiwen, there is a realistic physical texture with fresh natural beauty. Random pattern and do, to the customer a wide range of personal choice, to enrich the cultural connotations of products, give people more enjoy the beauty.
Q:What need to use aluminum foil?
1.Flexible package. Flexible package is a bag container made from composite packaging material. It is the ideal packaging material of modern commercial which is not only has functions of moisture-proof and fresh-keeping but also can be printed on many patterns and words. With improvement of people’s live standard, there is still a great space for the development of aluminum foil for flexible package. 2.Medicine foil. Aluminum foil for medicine package mainly includes the easy open bottle cap of water aqua and injection as well as medical PTP aluminum foil. Since PTP aluminum foil is moisture-proof, convenient to carry, safe and health, it is widely applicable to the international medicine industry. 3.Composite aluminum foil for automobile.
Q:Can aluminum foil be put in microwave oven?
Because microwave cannot penetrate metal, it is not recommended to use aluminum foil unless using lighwave baking only. Microwave produces current in inner metal, then the current will form electric arc in the point to cause sparks which is not that dangerous. Any metal products cannot be put in the microwave oven. It is recommended to use light wave stove which has gained a wide popularity in that metal products can be put in it.
Q:What are the characteristics of high-quality decorative foil is?
Quality decorative foil insulation, sound insulation, fire protection and easy to clean, etc., but the appearance of pro-China, to facilitate processing, construction and installation speed. At present, construction, home improvement industry has formed a decorative foil application boom.
Q:What‘s the highest temperature aluminum foil can withstand?
It can be inferred if they are oxidized, may end up not aluminum foil, aluminum oxide. Touch may be a powder. Aluminum foil because of its excellent characteristics, widely used in food, beverages, cigarettes, pharmaceuticals, photographic plate, household items, etc., generally used as packaging materials; electrolytic capacitor materials; buildings, vehicles, ships, houses and other insulation materials; also as a decorative gold and silver, as well as all kinds of stationery printed wallpaper and decoration trademark and other light industrial products. In the various applications, it can most effectively foil performance points is as a packaging material.
Q:What are good brands of aluminum tape?
There are many brands of aluminum tape. The features vary with manufacturers. We cannot say which is best, but say which is better.
Q:Why does volatile test need aluminum package?
Q:How to use aluminum tape?
Taking aluminum foil as the base material and then coated with acrylic adhesive, aluminum tape is featured by high peel strength, excellent adhesion and oxidation resistance, corrosion resistance and flame resistance. Aluminum foil can be classified as common aluminum tape, conductive aluminum tape, high peel strength aluminum tape, reinforced aluminum tape, clip marine welding aluminum tape, aluminum tape for heater, etc., so the effects are different. For example, the commonly used aluminum tape is mainly used for binding cold (hot) gas pipeline in cold (warm) gas engineering and water heater manufacturing. Conductive aluminum tape is commonly used for eliminating electromagnetic interference (EMI), isolating electromagnetic wave to human body and avoiding unnecessary voltage or current that may influence its function in all kinds of transformers, mobile phone, computer, PDA, PDP, LCD displays, notebook computers, copiers and other electronic products in which electromagnetic shielding is required. Conductive aluminum foil has several types, like double-sided conductive aluminum foil and single-sided conductive aluminum foil. Conductive aluminum foil is used for binding tinfoil, copper foil, aluminum foil and so on.

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