Black Aluminum Strips for Any Use
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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.
- Q:What is the ratio of the thickness of the aluminum strip to the joint of the knife?
- For example, O soft, tear ratio smaller, shear thickness of 70%. However, the H state is hard, the tearing ratio is large, and the shear ratio is small, which is about 30%.
- Q:How to use batteries, magnets, cans of aluminum belt to make a rotating aluminum belt device, please explain
- The middle part of the penholder is fixed with 2 high strength magnets. When we turn the magnet, we can turn the cans on the left to rotate together.
- Q:Aluminum foil tape insulation principle, why insulation?
- The air conditioner foil is a special material for the heat exchanger fin of an air conditioner, and an early air conditioner foil is a plain foil. In order to improve the surface properties of the plain foil, an anticorrosive inorganic coating and a hydrophilic organic coating are applied before forming to form hydrophilic foil. At present, hydrophilic foil accounts for 50% of the total amount of air conditioning foil, and its use ratio will be further improved. There is also a hydrophobic foil, so that the fin surface has hydrophobic function, prevent condensation water adhesion. Because of hydrophobic foil, the technology of improving surface defrosting needs to be studied further.
- Q:How can the aluminium band be welded to the steel shell?
- If it is more than 0.5 mm by resistance heating welding, welding materials need to use the 303B welding wire Odin wei.Welding tools: carbon block welding, welding with two electrodes.
- Q:Which is the best aluminum alloy belt?
- Main products: aluminum, automotive, aviation, military board aluminum high-speed train ship plate, aluminum plate, cabinet board, high-end cosmetics cover material, mold piece aluminum pipe insulation board, special high Jingchao flat aluminum (whole plate flatness + 0.22mm), kraft paper, aluminum plate, aluminum plate, moisture-proof super hard Pre Stretch aluminum plate, aluminum plate, aluminum oxide, imported mirror plate, embossed aluminum, aluminum plate, aluminum plate, leveling drawing pattern aluminum and high precision high precision aluminum coil, aluminum strip, aluminum strip ultra narrow, extrusion rods, fine pull rods, Mo Guangbang, tube, seamless tube, aluminum forging, surface profile and other "off the spot wholesale cutting, retail
- Q:Aluminum band treble sounds good?
- Because, unlike moving motion loudspeakers, which require larger mass movement modules, the aluminum ribbon tweeter has excellent transient response.
- Q:Why is the president of aluminum strip mildew, will affect the performance of the transformer?
- Aluminum with long mildew is actually aluminum is oxidized, the conductivity of alumina is lower than aluminum, so the resistance increases, resulting in increased contact surface heating, may endanger the insulation of the transformer will reduce the performance.
- Q:Which brand of aluminium band for dry transformer?
- Personal feeling 1070 should be better, because a higher proportion of content, electrical conductivity must be better, but at present, the market is indeed everyone's use.
- Q:Is it good to drive a wheeled excavator or an aluminum belt?
- How many people do you say you drive, or do you drive more tanks? However, the western development is over, the excavator is not fragrant. Go to the second-hand Internet to see the excavator is very cheap. Take mine. Thank you。。。
- Q:What's the difference between aluminum strip and aluminum alloy?
- Aluminium strip is pure metal and is pureAluminum alloy is an alloy and a mixture
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Black Aluminum Strips for Any Use
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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