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:Would you like to buy a sensor for measuring the thickness of aluminum ribbon?
- The thickness of the measuring aluminum sensor usually can use ZTMS08, there is still true
- Q:Can welding of aluminum with water-cooled DC hydrogen arc welding machine how much money
- If the 380V is about 4500 or so, if it is pure industrial machine more than 10 thousand. This, you can go to see the semi industrial uses of 380V Classic DC argon arc welder with special industrial grade Wei Odin WSME315B inverter pulse argon arc welding of aluminum AC argon arc welding machine is a machine with three".
- Q:Aluminum tape spraying process, please?
- Preheat. Generally without preheating. If the coating is thicker, the workpiece can be preheated to 180~20 degrees, which can increase the coating thickness(5) spraying. Under the high voltage electrostatic field, the powder gun is connected to the negative pole, and the workpiece is grounded (Zheng Ji) to form a circuit. The powder is ejected by the spray gun with the compressed air, that is, the negative charge is applied to the workpiece according to the principle of the opposite phase suction
- Q:Aluminum foil tape insulation principle, why insulation?
- It has the functions of heat insulation, waterproof, moisture-proof and so on. Its solar radiation absorption coefficient is very low, which can insulate most of the heat transfer.
- Q:What kind of mask is good for welding aluminum strips?
- However, the overall quality of the active carbon mask is not high, carbon content, filtration efficiency is not up to standard. You can choose some professional brands to produce some products, to avoid these problems.
- 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:Can the 6 square aluminum wires carry 3 pieces of air?
- 6 square aluminum core copper wire line is equivalent to 4 square, line laying the safety current of about 25A, can withstand the electric power of 5500 watts or less, while the air conditioning refrigeration power three 2500 watt in general, heating and electric power auxiliary is 5000 Watt or less, so the use of aluminum the core 6 square is no problem.
- Q:Why is the president of aluminum strip mildew, will affect the performance of the transformer?
- Can test the resistance, running temperature and other indicators, and the provisions of the comparison.
- Q:How to distinguish between good and bad aluminum bands?
- Compare the flexibility and strength of aluminium pinch plateThe differential method is simple: take a piece of aluminum buckle, with his hand he bent aluminum buckle not good will easily be bent, and will not return to its original shape, and good bending to aluminum buckle requires effort, and after bending, will rebound to a certain extent, the difference between the strength and toughness this is the aluminum. After the installation of a good aluminum pinch plate, there will be no bending or middle fall.
- Q:What is the best capacitance for an aluminum ribbon tweeter?
- You can ask your friends on the Internet to inquire about them, they will be more sincere, eager to find the answer for you, and even direct search related sites
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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:
- -
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OKorder Financial Service
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