foil household FOR ANY

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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%.


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:Which material is better for disposable lunch boxes,PP materrial or aluminum foil?
Light aluminum foil material having high barrier can be moisture-proof, waterproof, anti-corrosion, can shading. However, the foil container to embark on the table, with the safety and health, lightweight materials, environmental protection and other features, but it can also be used directly on the fire barbecue.
Q:Can I use the foil to steam the fish in the microwave?
Do not recommend the use of aluminum foil, this is one kind of metal, the microwave oven heated by microwave, microwave reflection effect of the metal will encounter, cooking, microwave cooking materials can be selected: A, B, C, glass ceramic, plastic film D.
Q:Is Titanium ,volume per volume lighter than aluminum?
density Aluminum 2700 kg/m³ density Titanium 4506 kg/m³ No, aluminum is a lot lighter. A cubic meter of Al weighs 2700 kg as opposed to 4500 kg for Titanium . .
Q:Why doesn't our gas water heater and aluminium foil flue smoke out?
3, serious violation of the provisions of the connection using aluminum foil tape seal, causing safety accidents, elbows, high temperature. When there is no such smoke pipe;2;4 、 the outdoor part of the smoke pipe must be equipped with stainless steel smoke pipe to prevent smoke leakage.2, exhaust gas intrusion, and for the violation of serious network downtime, priority should be given to the use of stainless steel smoke pipe or other corrosion resistance:1, extension foil smoke pipe, tail pipe using the random distribution of the stainless steel pipe through the wall extends outside, used in some special occasions can prevent rainwater intrusion, smoke pipe from the ceiling in accordance with the requirements of distance should be greater than 50mm, the connection did not use aluminum foil sealing tape;
Q:Oxford cloth moistureproof aluminum foil moistureproof which good?
Foam mats report June 11, 2010... Ordinary 30 yuan for a single most with inflation but two can be together at 60... Leisure travel tent outdoor camping tent fabric: 180T waterproof breathable taffeta fabric material: PU2000 Oxford cloth...
Q:Aluminum foil used for barbecue will be poisonous?
During baking, the meat texture on the press continue to apply lemon juice before eating at best a few drops of lemon juice.
Q:Aluminum foil tape where toxic?
Yes, clean the part that needs to be pasted, especially without oil or water. The paste should be smooth and the edge can not be raised
Q:Can i weld aluminium?
I do not see any way that would harm the machine. I have seen temporary welds made with stick on aluminum: The results were not a pretty sight. Not ready for mixed company, that's for sure, but they did the job. I think TIG would be the best bet. Perhaps there's a kit that will allow you to use the arc machine for TIG.
Q:How to calculate each square meter of aluminum foil?
I am a high voltage professional welder. I can't endure the current surge,even the spot welding. the surface oxidation film can be baked by the cutting knife,or polish by the abrader. no matter how big the welding rod is useless.The aluminum is too thin.
Q:What's the difference between aluminum foil paper and tin foil paper?
Aluminum foil is made by calendering aluminum or aluminum alloy. Habitually, the calender product is called aluminum foil paper with the thickness of less than 0.025mm,also called tin foil paper in Guangdong and Hongkong area, aluminum foil with the thickness of less than 0.2mm and aluminum plate with the thickness of more than 0.2mm. The density of aluminum or aluminum foil is 2.70g/cm³, the melting point 660℃ and the boiling point 2327℃. It is a silver light metal with ductility and malleability. It can form a oxidation film to prevent metal corrosion in moist air. Tin foil is made by made by calendering tin. Since ,it has good ductility and malleability, it is easy to calender into tin foil paper with the thickness of less than 0.025mm, even can be made by hand. the density of tin is 5.75g/cm³, the melting point 231.89℃ and the boiling point 2260℃. It is characterized by good ductility and malleability, corrosion resistance and low melting point. It is a silver metal with a little blue. When heated up to 160℃, tin will convert to crisp tin. Since it stable chemical properties, it does not react with air at normal temperature.

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