air conditioning 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.

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%.


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Q:Whether aluminum foil can be used to heat the food?
Typically used as a wrap beverage packaging, food packaging bags of aluminum foil thickness of only 6.5 microns. This thin layer of aluminum can be waterproof, keep the flavor, anti-bacterial and anti-fouling. Aluminum foil trays holding food is very popular, although aluminum foil tray is disposable, but the ingredients are aluminum, less harmful to nature.
Q:What‘s the highest temperature aluminum foil can withstand?
Aluminum melting point 660.4 ℃, boiling point 2467 ℃, aluminum foil can withstand high temperatures, but will be oxidized. A white powder of alumina, is a covalent compound, melting at 2050 ℃, boiling point of 3000 ℃.
Q:What is the principle of thermal insulated aluminum tape?
Since aluminum is a good conductor of heat, wrapping the tape with aluminum foil does quicken the heat loss instead of heat preservation. Therefore, it's better to wrap with heat-insulated cotton before wrapping with aluminum foil. Actually the thermal insulation cotton preserves heat rather than the aluminum foil which serves as a conductor to outside temperature to protect the inside temperature.
Q:Is a double-sided aluminum foil moisture-proof pad enough for wildness camping?
Standard flooring heating must have aluminum foil and seams have to be pasted with tape. The wastage of paving wooden floor depends on the room type (normally 5%-8%). It might cost more if there is hallway, corner or it is a special structure. Workers usually feel bothered to cut one more board after a day’s work, for no one knows for sure how many boards are needed. But usually one could know the size by measuring his room himself.
Q:What's the result after mistakenly eating the aluminium package when taking the pill?
If you have the digestive tract symptom like abdominal distention,I suggest you should go to hospital to have a check to see.Watch the excrement if you have no symptoms after mistakenly eating the aluminium package. If you have abdominal pain……
Q:Who knows the price of 3m conductive aluminum foil tape?
Q:What's the raw materials of high-precision alumimium foil?
It's the high-precision aluminium. Aluminium foil is produced by constant rolling and annealing.
Q:What is aluminum foil tape?
In addition, there is a composite material of aluminum foil tape, fire retardant super. This tape is the use of a unique and advanced technology, mixing aluminum foil fiberglass cloth, silicone release paper and adhesive coating made of high performance and strong flame retardant acrylic adhesive, are generally used for air conditioning duct systems engineering, fire insulation insulation nail perforated seal.
Q:How to classify air conditioning aluminum foil?
1.uncoated aluminum foil It means a non-coated aluminum foil is rolled annealed aluminum foil surface has not been treated in any form. In our country 10 years ago, about 15 years ago, foreign aluminum foil used in air conditioning heat exchangers are non-coated aluminum sheet.
Q:Is the aluminium air duct poisonous?
There is no rubber and plasticization. The aluminium paper is poisonousless even burned in the high temperature environment. And it can be used as the package of food.

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