pharmacy foil for medicine

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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%.


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Q:The development and the market situation of aluminum foil packaging.
In the 21st century, market competition and product homogeneity trends, stimulated the rapid development of product packaging. In 2002 the scale of the global packaging market has more than 500 billion US dollars.
Q:What's the aluminum foil?
To put it simply, it is ultra-thin aluminum sheet.
Q:Does the aluminum foil can prevent from the sunlight shining?
Aluminum foil can prevent the sun shining. It can reflect the sunlight.
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:How does the fireproof performance of alunimun foil?
Generally fireproof of the aluminum foil is not good.
Q:What kind of material does aluminum foil paper belong to?
Aluminum foil paper belongs to metal mixed material like alumina, which is a raw and auxiliary material for industry manufacture and mainly used for preventing package, articles for daily use and building.
Q:How aluminum foil developed in China?
Aluminum foil companies may cooperate with market research firm, the market for its full research and feasibility studies, the use of models of professional development, make the brand in the aluminum foil market segments. Although the new lateral aluminum foil market is small, but the longitudinal extension of industrial chain, will produce aluminum material into end products, relying on high-value-added products can offset the lack of professional capacity size of the market, relying on specialized brand competitive advantage, still to obtain better operating efficiency.
Q:Find a weld and riveting machine to connect the two roll of aluminum together. the width of aluminum is 40-60cm,because the surface of aluminum has a layer of oxidation film,so...
I am a high voltage professional welder. I can't endure the current surge,even the spot welding. the surface oxidation film can be baked by the cutting knife,or polish by the abrader. no matter how big the welding rod is useless.The aluminum is too thin.
Q:Why aluminum foil can be used in food packaging?
3.The food is more likely to deteriorate the light irradiation, reflective foil wrapped more favorable light, improve product shelf life.
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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