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 many does one square meter of steel structure of the aluminum foil glass wool lap blanket cost?
Thickness and unit-weight is related to the price of glass wool.
Q:What's the function of aluminum foil glass wool felt?
Glass wool felt covered by aluminum foil, has strong resistance to thermal radiation, and thus is an excellent lining material for high-temperature workshop, control room, computer room wall, compartment and flattop. Glass wool felt is a coiled material made for meeting the need of large area laying. In addition to thermal insulation, it also has very excellent features such as shock absorption and sound absorption especially for all kinds of vibration noise in the low frequency, which is conducive to reducing noise pollution, improving the working environment. It can be cut into whatever you want in construction. Cut into whatever you need in the construction. It is mainly used for shock absorption, sound absorption and noise reduction in interior construction, sound system, transportation, refrigeration equipment and household appliance.
Q:Performance of aluminum foil and how does it insulate heat? Describe it precisely and in detail and better give the source
Aluminum foil can’t insulate heat by itself but it has strong conductivity for heat. Its function is to reflect heat source.
Q:What are the advantages of carbon-coated aluminum foil in lithium battery applications?
3. To improve consistency, increase the cycle life of the battery; 4. improve the adhesion of the active material and current collector, a pole piece reduce manufacturing costs; 5. The collector protection against corrosion electrolyte;
Q:Is aluminum tape toxic?
As for aluminum tape, it is nontoxic and the aluminum foil can resist high temperature of 300℃ and most tapes can resist temperature of 180℃. Since aluminum is a good conductor of heat, wrapping the tape with aluminum foil does quicken the heat loss instead of heat preservation.
Q:What is the difference between the tin foil and aluminum foil?
Metal tin foil rolling production, aluminum foil is rolled production. Aluminum foil can not be rolled out in the past so thin, and when aluminum prices are not cheap, long-term champion in foil and now the rise of the aluminum foil, foil relatively cheap price, most of the aluminum foil packaging has been generally used in food packaging composite film is a combination of a printed layer, a barrier layer of aluminum, heat-sealing layer up.
Q:What are the advantages and disadvantages of aluminum foil packaging?
Aluminum foil advantages: Aluminum foil having a shiny metallic luster, decorative; non-toxic, tasteless, odorless; relatively light weight, the proportion is only one-third of iron, copper, full extension, thin, low weight per unit area; blackout good, reflective rate of 95%; protection and strong, so the package less susceptible to bacteria, fungi and insects infringement; high and low temperature stability, temperature -73 ~ 371 ℃ without deformation sizing;
Q:How to remove words on aluminium foil used in medicine package? Is there any easy way?
Words printed on it is organic matter and can be corroded by concentrated sulfuric acid. Since aluminium plate is protected by oxidation film in its appearance, it's ok to do so. But you should be careful when you operate for plastic plate may also be corroded. Only teflon and high density polyethylene are anti-corrosion, but they are with higher price and therefore won't be used in normal situation.
Q:What are the trends of foil sealing technology?
Future of food packaging equipment will be accompanied by automatic industry trend toward the efficient, versatile, low consumption of food packaging equipment development, so as to realize improve our overall level of food sealing machine equipment.
Q:What's the characteristics of aluminum shielded twisted-pair?
There are four types of twisted-pair cable shielding: 1. Wrapping four pairs of wires only with aluminum foil; 2. Wrapping each pair of wires with aluminum foil and no metal net outside the four pairs. Since there is only one layer of shielding in outer sheath, it is called single shielded twisted-pair cable. 3. Wrapping four pairs of wires with aluminum foil and meal net; 4. Wrapping each pair of wires with aluminum foil and then add a metal net outside the four pairs. Since each wire has a layer of shielding and there is one layer of shielding in outer sheath, it is called double shielded twisted-pair cable.

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