Aluminum foil lidding for

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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?
Microwave oven microwave frequency radio waves generated belong, usually around 2500MHz. The microwave band has the following characteristics: 1) food and water can be absorbed, the molecule strenuous exercise, heat is generated. 2) can not be absorbed by plastics, ceramics and glass. 3) be under the influence of a conductive metal in a microwave field.
Q:Aluminum foil paper and tin foil paper
The difference between aluminum foil and tin foil, which are mainly used to wrap cigarette, is their thickness and control of high temperature resistance! “Tin foil” and “aluminum foil” are produced respectively by metal tin and aluminum through calendaring. Aluminum foil paper mainly use offset printing, for example, the disposable meal box on the plane which is made from aluminum foil and can be heated in micro-oven, some fried food and aluminum foil for hairdressing like so called tin foil perm. Besides, aluminum foil is applicable to many fields like packaging, printing, medicine, electronic, food, and building.
Q:Does the aluminium paper can be used in the micro wave oven?
Yes. Any kinds of aluminium foil can be used in the micro wave oven.The aluminium foil used in the micro wave oven is selled in the supermarket! Control the temperature! The food should be heated balancedly and prevent nutrients loss.I usually use the aliminium foil when cooking the beer fish. Aluminium foil:high temperature cooking aluminium foil、low temperature aluminium foil,ect. The aluminium foil wrapped food should be put into the oven for heating. The use should be avoided if the aluminium foil have the spark when contact to the interior wall of the oven.
Q:What is the most important flaw of aluminum foil?
Pinhole major drawback of aluminum foil. Raw material, the upper roll, rolling oil, even to the dust in the air is about the size of 6μm enter the roll gap will cause pinholes, so 6μm foil pinholes is impossible, only the number and size of its evaluation. Due to improved foil rolling conditions, particularly dust and rolling oil effectively filter and convenient roll changing system settings, the number of aluminum foil pinhole increasingly dependent on the metallurgical quality of the raw material and processing defects due to pinholes often defects in materials shedding, it is difficult to find the correspondence between the original defects
Q:What is the value of scrap aluminum recycling?
Waste aluminum foil wide range of sources, mainly from cigarettes, food and pharmaceutical packaging, the main ingredient is aluminum, with high economic and social value of recycling. The experimental study, the use of waste aluminum foil PAC optimal conditions and scope, has a certain practical significance in improving resource utilization, environmental protection and other aspects.
Q:What is the thermal insulation principle of 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. It is featured by thermal insulation, waterproofness and corrosion resistance. Due to its extremely low absorption coefficient solar radiation, it can isolate from most of the heat transfer.
Q:mesohigh electronic aluminium foil
Q:How to use aluminum tape?
Taking aluminum foil as the base material and then coated with acrylic adhesive, aluminum tape is featured by high peel strength, excellent adhesion and oxidation resistance, corrosion resistance and flame resistance. Aluminum foil can be classified as common aluminum tape, conductive aluminum tape, high peel strength aluminum tape, reinforced aluminum tape, clip marine welding aluminum tape, aluminum tape for heater, etc., so the effects are different. For example, the commonly used aluminum tape is mainly used for binding cold (hot) gas pipeline in cold (warm) gas engineering and water heater manufacturing. Conductive aluminum tape is commonly used for eliminating electromagnetic interference (EMI), isolating electromagnetic wave to human body and avoiding unnecessary voltage or current that may influence its function in all kinds of transformers, mobile phone, computer, PDA, PDP, LCD displays, notebook computers, copiers and other electronic products in which electromagnetic shielding is required. Conductive aluminum foil has several types, like double-sided conductive aluminum foil and single-sided conductive aluminum foil. Conductive aluminum foil is used for binding tinfoil, copper foil, aluminum foil and so on.
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:Does reflective coating of aluminum-foil paper can be pasted to the glass?
Reflective coating of pure aluminum foil has a low heat conductivity coefficient,high heat transfer rate. Staple bolt is easily to be penetrated. Staple bolt penetrates reflrctive coating and rapidly recover after meeting high temperature.The heat energy of place where staple bolt penetrates can reflect the roof,making the construction easier and more efficient. The drape is easily to be flattened. Crease lines can influence the effect.Using reflective coating of common mirror,adopting PAP aluminum-plastic slice and staple bolt easily to be penetrated

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