aluminum foil for some application

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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.

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Q:Does working in the aluminum foil companies harm the health?
Not working in the production line is not harmful to health. 1.In the normal temperature, aluminium metallicum has no valitility, so it won't enter into the human body easily. 2.the main harm of metal aluminum is the inhalation of dust, for example, working in the production line. 3.taking in solution, for example, a usually usage of aluminium products or having drug containing aluminium ion.
Q:What is air conditioning aluminum foil?
Furthermore, in order to improve the life of air conditioning, reducing power consumption and improving the quality and increasing the ventilation cooling effect, and have developed a coating heat exchange fins having various functions, typically a corrosion resistant heat transfer sheet, surface hydrophilic properties change heat sink surface hydrophobicity heat exchanger plate and sheet, and mildew self-lubricating heat sinks.
Q:Can aluminum foil insulate heat?
Different countries due to differences in levels of economic development, the consumption structure of aluminum foil big gap. 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:What's the application of double-sided conductive aluminum tape?
Double-sided conductive aluminum tape: Base material: Taking aluminum foil as the base material and then coated with acrylic adhesive, aluminum tape is featured by excellent stickiness and strong adhesion. Characteristics: Characterized by thermal insulation, waterproofing, good stickiness, high/low temperature resistance and easy to tear, double-sided conductive aluminum tape is commonly used for eliminating electromagnetic interference (EMI), isolating electromagnetic wave to human body harm, avoiding unnecessary voltage or current that may influence its function and preventing spontaneous combustion in high frequency transmission of cable and electronic instruments. It applies to computer display, peripheral and transformer manufacturing, pipeline juncture of central air-conditioning, smoke exhauster, refrigerator and water heater. In addition, electrostatic discharge after grounding has a good effect .
Q:How to eliminate static in aliminum foil bag?
Aluminum foil bag can protect electrostatic sensitive components from electrostatic potential hazards to the highest degree. They unique four-layer structure can form an inductive cover to make things in bags isolate from static electric field. Furthermore, the inner layer is made low density polyethylene which can remove the static can avoid static generation inside the bag. This kind of hot sealable bag is translucence , so the good inside can be easily recognized outside and the product bar code can be read. It's mainly used in package of electronic elements and PC board. It can also be used in packaging industry.
Q:What is 1235 aluminum foil
Aluminum foil is the thin aluminum sheet which is widely used in the package of drug capsule and the milk seal. The 1235 aluminum foil brand number is the model number.
Q:How to remove the oxide layer in the aluminum foil with a chemical process?
Generally, we adopt the method of alkali corrosion to remove the oxide layer on the surface of the aluminum foil.The purpose of alkali corrosion is removing the oxide layer on the surface of the aluminum foil. (Note: Technological process of the method is as follows: under normal temperature, 20% nitric acid; the process parameters is about 0.5 minutes. Pre-degrease--degrease--rinsing--rinsing--alkali corrosion--rinsing--rinsing--bright dipping--rinsing--rinsing--pure rinsing. The purpose of bright dipping is to remove surface residual black ash after alkali corrosion.Temperature:50-60 degrees; time:0.5-1 minutes.The purpose of degreasing is to remove grease on the surface of the aluminum foil.The process parameters is 0.5-1 minutes. You can use acid to wash it.
Q:What's the difference between tin foil and aluminum foil?
Tin foil paper and aluminum foil paper in the supermarket have no difference (You can read the material description). What used for barbecue is aluminum foil which is often called Tin foil paper in the past (People at that time have never seen foreign items and as the aluminum foil is similar to tin foil, so they believe it is tin foil. )
Q:Is aluminum foil a kind of alloy or something else?
Aluminum foil is pure aluminum, (except for the fake) which is a kind of thermoprinting material made by calendaring aluminum into sheet. Since its thermoprinting effect is similar to that of silver foil, it is also called fake silver foil. As aluminum is soft and ductile with silvery luster, aluminum foil sheet can be made by mounting calendered aluminum sheet on the offset paper with sodium silicate, which can be used to print. But the color of aluminum foil will gradually become dark as it is easy to be oxidized and it fade due to friction and touching, so it is not applicable to the thermoprint of book covers for permanent preservation.
Q:Does aluminum foil bag have property of X-ray proof?
Lead is the best material of property of X-ray proof.

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