can alufoil ALUMINUM FOIL

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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.

Alufoil 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.

Itthicker 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.

Aluminiumhas 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%.


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).

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Q:How about the heat dissipation of aluminum tape?
1. To increase thermal conductivity by wrapping the copper pipe for heat dissipation with aluminum tape. 2. To increase heat dissipation by sealing the heat fin and fan port with aluminum tape. 3. To increase heat dissipation by taping video memory with aluminum tape or importing a heat fin to the main board.
Q:What's the difference between aluminum foil paper and tin foil paper?
The elements of them are different. It is better to use tin foil paper when heating food like barbecue, dessert, cake to avoid being burnt or overheated, or to clean conveniently. It also can be used for food shaping. For example, wrapping food with tin foil paper before baking when making rolled food, the food will be shaped. As for pregnancy, there is no such an idea that pregnant women cannot use tin foil paper. Everything has a degree. Have a good grasp of degree is ok.
Q:It is an alloy of aluminum foil?
Aluminum foil is pure aluminum metal, an aluminum metal stamping material directly rolled into a sheet, which is similar to the effect of pure silver foil stamping stamping effect, so called false silver.
Q:Between Aluminum foil fibre cloth tape and pure aluminum foil tape which one is good?
Considering the base material strength, the one with a reinforcing material (clip) is of course good. But considering thermal efficiency or electric fields, including construction of the above, it is not suitable. In the field of home appliance, aluminum foil is widely used. In the decoration, it is used in mending the wall.
Q:In which way does composite aluminum foil achieves heat insulation?
The features: the first aluminum foil layer(1), the second aluminum foil layer(3)and plastic film layer (2) bond together. Plastic film(2) is between the first aluminum foil layer(1)and the second aluminum foil layer(3). This utility model composite aluminum has good strength,toughness,shock resistance and high ability of acidproof and alkaliproof. It is also with property of gas insulation,thermal insulation,ultraviolet ray insulation and radiation protection.The outside two layers of composite aluminum foil is aluminum foil, which appearence is like the current monolayer aluminum foil and with the same property with it. It can save the material costs and is the ideal substitute of monolayer aluminum foil.
Q:What is the use of aluminum foil?
In European and American countries, foil products for packaging 70% of total demand. In the Chinese market, aluminum foil is mainly used as industrial raw materials, manufacturing, packaging, aluminum foil only 30% of total domestic demand. Although aluminum foil packaging development late, but the market is growing rapidly, the prospects attention.
Q:Can aluminum foil replace copper foil?
You mean the static electricity isolation layer in transformer. Yes, it can do that. Be careful and don't make it short circuit. It also can be used in other operating layers, but you should be careful in calculating electric current density.
Q:What's the highest temperature of aluminum foil paper?
In actual use, the width cannot exceed 120 and the hight cannot exceed 180.lighter can not make thhis material burn.
Q:How many applications does aluminum foil have?
Q:How to wash away the oil of aluminum foil products after being pressed?
I suggest that you can use the volatile punching oil since it won't be rudimental.

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