Airconditional 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.

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:How to prevent oxidation of aluminum coil?
5. brought into the area by the low temperature, high temperature, when the humidity of the area, do not immediately open the sealed packaging. 6. crates wooden shaft, box board humidity less than 18%, the color temperature of aluminum packaging volume not greater than 45 ℃. 7. Aluminum volume during storage, is strictly prohibited and chemical materials and wet materials stored together.
Q:What's the function of aluminum foil glass wool felt?
Glass wool belongs to one category of glass fiber and is a kind of manmade inorganic fiber, using quartz sand, limestone, dolomite and other natural mineral as the main raw material, and chemical raw materials like soda, borax, etc, as auxiliary material. Then in the melt state, it is flung into cotton-like entwined O-fibers with external blow.
Q:What's the maximum temperature that high temperature resistant aluminum tape resists?
Aluminum foil is calendered by aluminum. Melting point: 660.37. Ignition point: 230℃. Since the boiling point is 100℃, the maximum temperature does not far exceed 100℃. Thus the maximum depends on the thickness of aluminum foil and sticking agnt.Fiberglass tape is also high temperature resistant. It can resist high temperature of 200℃ while the typical aluminum tape only -40℃-120℃.
Q:Is aluminum tape fire resistant?
It is used for fire resistance. Aluminum tape is made by pasting aluminum foil, glass fiber cloth and silicone paper with acrylate adhesive by using unique techniques. It is often used in thermal insulating and fire resistant surface of HAVC air-line system, sealing the puncture of bar for line and damage repairing of fire resistant aluminum foil glass fiber surface and thermal insulation of automobiles, train carriage and ship pipelines.
Q:What is the chemical nature of the aluminum foil is?
It is actually aluminum. Silver-white light metal aluminum. Extensible. Goods often made rod, sheet, foil, powder, ribbon and silky. The humid air to form an oxide film layer to prevent metal corrosion.
Q:which one, aluminum foil or tin does well in heat insultaion and with a lower cost?
There is no distinct difference between them in heat insultation. Aluminum foil is cheaper than tinfoil.
Q:What's the highest temperature the aluminum foil and tin foil can resist?
Tin foil paper can resist high temperature. Aluminum foil paper or aluminum foil which is also called tin foil paper in Hong Kong, is a kind of thin sheet of less than 0.2mm in thickness processed by aluminum foil roller. It is mainly used to cook and contain food, or make some kinds of material for cleaning. Tens of and thousands of aluminum foil papers are used to preserve and package food, cosmetic products and chemical products. The applications of tin foil paper are as follows: 1. Prevent food from sticking baking tray; 2. Prevent food from sticking dirty stuff; 3. Convenient to clean baking tray; 4. Package the seasoning and stuffing to prevent them from falling into pieces when baking food; 5. Preserve water and keeping fresh.
Q:What are the advantages of aluminum foil boxes?
Used meal recyclable, reducing pollution and saving resources, is a good choice. In the growing concern of people on environmental protection background of this meal the rapid development in recent years, there have been many companies began to seize the market prospects for the future is unlimited.
Q:what's the dying temperature of aluminum-foil paper?
It depends on walking speed.If faster, 180 degree,otherwise 120 degree.
Q:What's the meaning of 13*18 4 of aluminum bag
The width should be shorten 1-2CM,the self-styled self-reliance aluminum foil bag should be 13cm*18cm+4cm.the calculation of length should be shorten 2,including the pressing seal.

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