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:Can aluminum foil be used in the microwave?
Aluminum foil in the microwave may not use, although supermarkets have special aluminum foil, but still be careful. Because the furnace when heating food in aluminum foil, aluminum foil in contact with the inner wall will give birth to a spark.
Q:What are the characteristics of color coated aluminum coil?
1. smoothness: High temperature composite surface without indentation. Board no residual stress, deformation after shearing. 2. Decorative: Painted wood, Shiwen, there is a realistic physical texture with fresh natural beauty. Random pattern and do, to the customer a wide range of personal choice, to enrich the cultural connotations of products, give people more enjoy the beauty.
Q:Does the aluminum foil can prevent from the sunlight shining?
Yes, it can prevent the sun shining.
Q:Is aluminium foil ultraviolet-proof?
Yes, but this property is not very good. When aluminium foil is fixed with plastic and paper, its ultraviolet-proof property will improve greatly.
Q:How to judge whether the aluminum foil bags up to standard?
To see whether the aluminum foil reach thr quality standard, mainly to see the heat seal strength aluminum foil bag. Heat seal strength and impact foil bag is mainly composed of the following several factors to decide: 1, aspects of raw and auxiliary materials - aluminum foil is the original carrier of the adhesive layer, heat seal strength of its quality products have a deep impact. On the one hand it is the original aluminum foil surface oil will weaken the adhesive force between the adhesive and the original aluminum foil. On the other hand, the heat seal strength and also with the metal components of the original surface finish of the aluminum foil are not enough influence heat seal strength. It is necessary strictly to good quality primary aluminum foil.
Q:What’s the advantages of aluminum foil thermal insulation materials. There are as follows:
1, simply-structured 2, no need for exhaust system 3, water proof layer is protected from the damage of thermal stress, ultraviolet ray and other factors. 4, good moisture resistance means a long-term and stable insulation abilities and tensile strength. 5, The same durable years as buildings. 6, it can be cut or processed by heating wire or ordinary tools. 7, it is convenient for later reparation. 8, it consists with the energy-saving goal of architecture technology.
Q:How to calculate the weight and length if knowing the width of single layer of aluminum foil,density, diameter of outside roll and diameter of inner roll?
You can calculate the volume by the external diameter, inner diameter and width. the weight can be known by the density and volume, then the weight and length canbe known too.
Q:What specification does air hose of aluminum foil have?
The specification and dimension of aluminum foil air hose: 1.2Ф- 16Ф. 2. thickness of pipe: 0.03mm. 3. temperature: -30℃+150℃ 4. steel wire: 0.8-1.4mm 5.flow velocity: aluminum foil fiexible air hose 28M/S. Good weather fastness, suitable for damp place and moderate cost. Galvanized steel pipe is fireproofing and easy to make. The inwall of air hose is smooth and with good air tightness resistance and bearing strength. The field fabrication of air hose is convenient. It's with high strength, strong ability to resist static pressure and is easy to carry. It won't be damaged after being collided. Generally aluminum foil telescopic air hose is vacuum exhaust, usually used in the bathroom defend bath to exhaust air.
Q:Can aluminum foil paper be put in microwave oven?
Metalized vessels cannot be heated in the microwave oven. That's why you oven sparkles. Frequent use like this may blacken the sheet mica in the oven chamber, or even seriously puncture the magnetron which can be repaired for free or with fees. However, there are not so many limits on light wave oven. what you should keep in mind is that do not heat vessels with low melting point for too long. Light wave oven actually is similar to the original baking. Only the baking effect of light wave oven is better than before.
Q:What are the advantages of a decorative foil?
According to the survey, the rapid development of high-quality decorative foil, huge market potential. Decorative foil required amount will reach several million tons, in addition to products to meet domestic market, some products will be out of the mouth to Southeast Asia.

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