Aluminum sheet for prepainted

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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:What's the function of aluminum foil glass wool felt?
Glass wool belongs to one category of glass fiber and is a kind of manmade inorganic fiber, using quartz sand, limestone, dolomite and other natural mineral as the main raw material, and chemical raw materials like soda, borax, etc, as auxiliary material. Then in the melt state, it is flung into cotton-like entwined O-fibers with external blow.
Q:How to measure the thickness of aluminum coil at real time? In what areas can the sensor be used?
Displacement sensor can be used in many areas, such as industry.
Q:Which kind of solution should I use while welding aluminum sheet and copper pipe by tin soldering?
1, you must use over 350W soldering iron, 2,prepare some borax and tin soldering paster, you can’t use rosin to weld it, 3, polish the pipe to clean with fine abrasive paper and borax, 4, put the pipe and sheet into borax, use the soldering trip to rub on the weldment with some borax. 5, after the pipe and sheet become hot, use the soldering iron with the paster and tin to rub the pipe and sheet in borax, then it can be welded. 6, they can be welded together after welding.
Q:Is aluminum foil insulation materials easy aging?
The use of aluminum and high surface reflection characteristics of multilayer aluminum surface reflection can be achieved completely block heat radiation purpose. But through the aluminum surface between the air and the like are still A small amount of convective heat transfer. If you require complete insulation, available multilayer vacuum aluminum reflective insulation structure.
Q:What are the functions of vacuum bag and aluminum foil bag?
Aluminum foil bag usually refers to aluminum-plastic composite vacuum bag, suitable for moisture-proof and light-proof vacuum packaging of large-scale precise machinery and equipment, chemical raw materials and pharmaceutical intermediates. With four-layer structure, it is characterized by good water-proofness and oxygen isolation. Aluminum foil bag can be made into flat pocket style, three-dimensional bags, organ bags, etc, according to the requirements of customers. The test results of GB and ASTM show that the product complies with environmental requirements (a third party testing report available if required) and the environmental standard of EU and North America in which packing material is most strictly required.
Q:What does 1060 stand for in 1060 aluminum rolling?
Aluminum coils can be divided into 9 categories, among which 1060 series is one kind, standing for 1050, 1060. Series 1000 is called pure aluminum plate which contents most aluminum with purity above 99.00% and is most common in general industries. As no other technical elements are involved, the production process is simple and the price is relatively cheap. The majority in the current market are series 1050 and 1060. The last two digits in series 1000 indicate the required aluminum content. For example, the last two digits series 1050 is 50. According to International Grades Naming Principle and Chinese Aluminum Alloy Technical Standard (gB/T3880-2006), the aluminum content of qualified series 1050 must reaches 99.5%.
Q:Between Aluminum foil fibre cloth tape and pure aluminum foil tape which one is good?
It only depends on what fields do you want to use it? If it is used in explosion-proof, strapping, it is suggested that you can use fiber cloth aluminum foil tape. If considering heat conduction, electric conduction and shielding performance, it is suggested that you use the pure aluminum foil tape.
Q:How to calculate the weight and length if knowing the width of single layer of aluminum foil,density, diameter of outside roll and diameter of inner roll?
You can calculate the volume by the external diameter, inner diameter and width. the weight can be known by the density and volume, then the weight and length canbe known too.
Q:Does reflective coating of aluminum-foil paper can be pasted to the glass?
Reflective coating of pure aluminum foil has a low heat conductivity coefficient,high heat transfer rate. Staple bolt is easily to be penetrated. Staple bolt penetrates reflrctive coating and rapidly recover after meeting high temperature.The heat energy of place where staple bolt penetrates can reflect the roof,making the construction easier and more efficient. The drape is easily to be flattened. Crease lines can influence the effect.Using reflective coating of common mirror,adopting PAP aluminum-plastic slice and staple bolt easily to be penetrated
Q:Waterproof aluminum foil and PVC for cupboard, which is better?
Waterproof aluminum foil is usually used in cupboard while PVC is rarely used. PVC is usually used in commode. But it's better to use PVC for cupboard. Aluminum foil paper may easily soak and damage the cupboard due to its good waterproofness if water seeps into it, so it is better to paste a whole piece of waterproof aluminum foil paper without interface through which water may seep into the cupboard. Since aluminum foil paper is an additional layer on the moisture proof particle board, it is not moisture proof and waterproof enough and thus outdated. Whether PVC board can be used for cupboard depends on manufactures. Some just use it as an advertising gimmick while some use it for cupboard bottom. Surely the latter one is more durable. Cupboard is the place that contains most water and connects with sewer.

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