Pre-painted alu foil for diferent colors

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Aluminium alloys with a wide range of properties are used in engineering structures. Alloy systems are classified by a number system (ANSI) or by names indicating their main alloying constituents (DIN and ISO).

The strength and durability of aluminium alloys vary widely, not only as a result of the components of the specific alloy, but also as a result of heat treatments and manufacturing processes. A lack of knowledge of these aspects has from time to time led to improperly designed structures and gained aluminium a bad reputation.

One important structural limitation of aluminium alloys is their fatigue strength. Unlike steels, aluminium alloys have no well-defined fatigue limit, meaning that fatigue failure eventually occurs, under even very small cyclic loadings. This implies that engineers must assess these loads and design for a fixed life rather than an infinite life.

Another important property of aluminium alloys is their sensitivity to heat. Workshop procedures involving heating are complicated by the fact that aluminium, unlike steel, melts without first glowing red. Forming operations where a blow torch is used therefore require some expertise, since no visual signs reveal how close the material is to melting. Aluminium alloys, like all structural alloys, also are subject to internal stresses following heating operations such as welding and casting. The problem with aluminium alloys in this regard is their low melting point, which make them more susceptible to distortions from thermally induced stress relief. Controlled stress relief can be done during manufacturing by heat-treating the parts in an oven, followed by gradual cooling—in effect annealing the stresses.

The low melting point of aluminium alloys has not precluded their use in rocketry; even for use in constructing combustion chambers where gases can reach 3500 K. The Agena upper stage engine used a regeneratively cooled aluminium design for some parts of the nozzle, including the thermally critical throat region.

Another alloy of some value is aluminium bronze (Cu-Al alloy).



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.

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Q:What is the best electrode to stick weld aluminum?
Aluminum will oxidize quickly when it is heated in the air. You must have an inert gas around the weld when you are working it. A wire feed or T I G system is better than a stick machine. I suggest you do a lot of reading about aluminum and how to it is welded before you buy any tools. For small repairs that do not require much strength J B Weld will work.
Q:Aluminium free baking powder?
Q:what language did Aluminum and Uranium originate from ? Who or what were they named for ?
The ancient Greeks and Romans used alumen (alum, potassium aluminium sulfate, K2Al6(OH)12(SO4)4) in medicine as an astringent, and as a mordant in dyeing. Alum was exported from ancient Greece and Italy. In 1761 the French chemist Louis-Bernard Guyton de Morveau (1737-1816) proposed the name alumine for the base in alum. Guyton de Morveau was instrumental in setting up a standardised system for chemical nomenclature and often collaborated with Antoine Lavoisier, who in 1787, suggested that alumine was the oxide of a previously undiscovered metal. In 1808, Sir Humphry Davy (1778-1829) did experiments for the decomposition of alumine, silex, zircone, and glucine. He failed to isolate the metals in these, as he reported in his paper for the Royal Society of London on 30 June 1808, but he suggested names for the metals (note) Cf. Silicium, Zirconium, and Beryllium (Glucium) Thus he proposed the name alumium for this still undiscovered metal and later agreed to change it to aluminum. Shortly thereafter the name aluminium was adopted to conform with the -ium ending of most elements. Uranium was named by its discoverer German chemist Martin Klaproth, after the last planet to have been discovered Uranus.
Q:How do i clean a aluminum bicycle?
For painted metal, supports, grips, vinyl seat, tires and spokes, use a solution of 1-part Simple Green to 30-parts water — spray onto soiled areas. Wipe immediately with damp cloth to rinse, followed by dry towel — making sure to completely dry the area cleaned. My point is to show that you are supposed to cut the Simple Green with 30 parts of water. MOST people don't do this step. Simple Green (and many other cleaners) are very concentrated. NEVER clean a bicycle with this kind of cleaner without proper dilution. Read labels. Follow directions. Full strength Simple Green has enough butyl solvent to corrode bare aluminum on brake surfaces on wheels and if the wheel is too wet it can actually melt the glue of the rim strip by seeping in the spoke holes. I have seen this at bike shops a lot. The cleaner (if sprayed full strength around bearings) over spray has the potential to break down the grease -- after all it is a degreaser. Always dampen a cloth or sponge in your cleaning solution and wipe down a bike. Don't spray it.
Q:Deodorant and Aluminum ?
If there was solid proof and research that showed it was bad for you or baby while pregnant your doctor would have told you not to use it. It's a matter of debate and controversy still and has been for many years, and I'm sure it will continue to be for many years. If you are worried, you can by aluminum free anti-perspirants, I believe Tom's of Maine makes one that is very effective. Or you can use one that just contains less.
Q:is aluminum a strong metal?
Cinderblock is correct. Alloys can be made of almost anything. Aluminum is made in like 2700 different grades/alloy combinations - some pure, most less so. Aluminum is the 3rd most plentiful element in the earths crust.
Q:Why do tin/aluminium cans have grooves in the side?
If they didn't, they would easily be crushed during shipment. It makes them much stronger to have the grooves. Norrie's got a good point.
Q:aluminum fishing boat soundproofing?
Boat Soundproofing
Q:aluminum, iodine and water?
This Site Might Help You. RE: aluminum, iodine and water? What exactly happens in the reaction involving powdered aluminum and crushed iodine? I know that adding a few drops of water produces a lot of purple smoke and that it will flare up but what is the chemistry involved? And also, I know that the white residual left in the cup is Al2I6 but why is it...
Q:How is Aluminum Foil made?
Aluminum is brought to a factory in blocks about a foot thick and is slowly pushed through many massive rollers along a conveyor belt while lubricant is sprayed over the whole machine, then at the end it is sucked into giant rolls to be taken off to other places to be made into commercial aluminum foil or used as insulation in machines. The next part is more stuff that veers away from your original question: Aluminum is the 13th element in the periodic table, and it comes after magnesium and before silicon. So it is in fact its own element, and therefore is used in alloys with some other elements. Aluminum foil was originally invented by NASA to be used for their own purposes, but then was made for the public as many of their inventions have been over the years.

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