Aluminum placa 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.

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Q:iron rust but not aluminium? 10 points.?
Aluminum and Iron both form an oxide coating on the surface of the pure metal. Iron oxide and aluminum oxide are very different however. Rust is very soft and wears away quickly, exposing a fresh Iron surface. Aluminum oxide is what a ruby is made from (along with a little Chromium for color). Rubies are only a bit softer than diamonds, the hardest substance known. The oxide coat on Aluminum is very thin but also very hard. It adheres to the surface and prevents any further corrosion. Regarding Chromium, it is the key ingredient in stainless steel. Steel is an Iron alloy with a small amount of Nickel, Molybdnium, Vanadium and even Copper and Phosphorus. Stainless steel resists rust so well because the Chromium will form an oxide coating the same way Aluminum does. Since the Chromium is actually part of the alloy, if the stainless steel is scratched, the fresh surface soon coats with a protective layer of Chromium oxide.
Q:What hurts more, a wooden bat or an aluminum one?
While I fortunately have not been hit with either, I would think the wooden bat, with its increased weight, could be swung more forcefully and would hurt more.
Q:What is the difference between aluminum sheet and aluminum curtain wall? The cost is high!
The upper and lower layers of the composite aluminum plate are high purity aluminum alloy plates, and the middle is a non-toxic low-density polyethylene (PE) core plate, also called an aluminum plastic plate, and the aluminum veneer is a single aluminum sheet. For appearance, the difference between the two is not large, but the color of aluminum plate is diverse. Price respect, curtain wall uses exterior wall board, aluminous plastic board price is in 100 yuan or so, 2.5mm thick aluminium single board price is in 240 the left and right sides, 3mm single board is more expensive.
Q:polish aluminum on my motorcycle?
Get a $5 can of metal polish and a rag or get you one of those things that fits a drill with the really soft cloth wheel on it and polish till your hearts content. I have done the side covers, manifolds, even the carbs on old british bikes.
Q:What is the causes of aluminium discolouration?
Aluminum oxides may appear in different colors depending on hydration states and other variables. Look in a CRC Handbook of Chemistry Physics if available for aluminum compounds and their colors. The colors that you see may also have as much to do with the surface finish as the color of the material on the surface. A microscopically rough surface will appear dark next to a polished surface due to light scattering. I will agree with Ling in principle, but not on details. EDS detection limits on homogeneous samples can be better than 0.1%, although not so good for elements at the light end of the detection range. Current detectors can detect chlorine (a common culprit for aluminum discoloration) at about 0.1%. Your problem with detection and one that Ling has addressed previously may be that a thin film of contamination would not be easily detected by EDS. As Ling suggests, SIMS is a good technique for detecting thin films and low concentrations. The problem with SIMS in this case may be that the detection limits are too good and the technique cannot be quantified. SIMS would detect 2 ppm of chloride and you couldn't tell for sure whether it was 2 ppm, which is probably not an issue here, or 2000 ppm, which would be significant. I would suggest x-ray photoelectron spectroscopy (ESCA or XPS) as an alternative for further study. The technique will analyze thin films (20 A) and detection limits are good enough (about 0.1%). In addition, XPS will give you information about the compounds present, e.g. whether the oxygen is aluminum oxide, aluminum hydroxide, etc. Good Luck.
Q:Aluminium suitable for bending?
Use 3000 series aluminum, it is very bendable. If you use the popular 6061 alloy, it will break or crack nearly all the time.
Q:aluminum can recycling question?
Yes, they do. My Recycling Center accepts whole, torn-up, or compacted/crushed aluminum cans. We even accept aluminum pet-food cans. Since they are shredded to prepare them for recycling, it doesn't matter. The only time you should not compact or crush your aluminum cans is if you are using one of those automatic can-munchers that you can find in some parking lots that pays you immediately. Compacted aluminum cans will jam those machines. Aluminum can be recycled over and over, unlike other recyclables such as plastic, which can typically only be recycled once.
Q:Does anyone know why Mercury -(Thimerosal) is used in Flu Vaccinations and where Mercuryisnot used Aluminium ?
It costs several cents more to manufacture 10 single dose vials that do not require mercury, than one multi-dose vial that does require mercury. Your health is worth just a few cents to these people. Aluminum is used in non-live virus vaccines in order to cause inflammation in the body, which produces a stronger immune response to the vaccine.
Q:Recyling Aluminum?
Aluminum is currently scrap priced at eighty cents per pound. If you have enough to justify the gasoline to go to a scrap yard, yes it is worth it. Your scrap will end up in Japan rather than in a landfill.
Q:polishing tarnished aluminum on a 71' Honda trail 90?
I helped a friend restore an old Honda 160. We did a combination of the things mentioned. We painted the engine cases with a high temp aluminum paint. We did the side covers by wet sanding with 400-800-1000 and then finishing with Semichrome. Other misc bits we went with flat black (makes the polished aluminum pop). It wasn't exactly stock, but it looked great. It would take an expert to know the difference.

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