Aluminum foil, commonly known as "foil" is a flat aluminum ingot by rolling presses squeeze out of a rolled aluminum sheet thickness between 0.001mm-0.2mm between early tin foil indeed made, but the texture of aluminum foil hard aluminum foil, tin will be retained in the food and flavor, with a lower melting point of aluminum foil is not suitable for grilling or baking food, limiting it in food packaging applications.
The most common application of aluminum foil in the field of food packaging, it is a soft metal film, with moisture resistant, airtight shading, Paul Hong, non-toxic and tasteless, can long-term preservation of food, etc., to make butter butter foil packaging shelf life foil extend over two to three months, food packaging bags of aluminum foil thickness of only 6.5μm (microns), (aluminum foil cost)a thin aluminum layer is waterproof, keep the food flavor, anti-bacteria and anti-pollution function outside, so much food packers of all ages.
Aluminum foil production history dating back to the early twentieth century, before 1900, by hammering it hard laborious process before production of small quantities of aluminum foil, in the past one hundred years, scientists continue to improve production technology and equipment to make more foil thin, production has been increased significantly broaden the applications of aluminum foil, by the early chocolate and butter wrapping paper, to present the development of beverage packaging, bottle caps, cigarette boxes, aluminum foil balloon like.(3m aluminum foil tape 425)
In addition to food, the other can not be ignored is the pharmaceutical packaging applications, mainly in the blister pack, which is currently the most important medicine capsule packaging. Blister packaging with moisture-proof, easy to carry, safety and health, etc., can effectively protect environmentally sensitive drugs. According to Boston Consulting Group report, in 2011 China's annual demand for aluminum foil packaging industry amounted to 350,000 tons in 2020 is expected to more consumption of more than 900,000 tons, of which medicine to foil the needs of the most obvious. (colored aluminum foil)With the traditional Chinese medicine tablets, powders, capsules, tablets pills made paper bags, plastic bags to blister packaging, as well as China gradually entered the aging society, with aluminum foil pharmaceutical packaging market will be more broad.