Plastic is currently used in a wide range of food packaging materials, it is a high molecular polymer, composed of a variety of additives added to the polymer resin, has the advantages of convenient transportation, light weight, easy processing, good food protection, etc. 60% of food packaging uses plastic as packaging material. This article will introduce you to the requirements of green food packaging materials.
The metal materials used in current food packaging include iron, aluminum, stainless steel, and the like. The packaging material can use metal, because the metal has better ductility and is more convenient to process. The outer packaging formed by metal has better protection for the food inside, and the metal is easy to package and thus can be promoted.
However, metal is good for paper, glass and ceramics, but the price is relatively high and the packaging cost is not cheap. Moreover, the chemical nature of the metal is relatively active, it is oxidized and eroded in the air, and it is easy to chemically react with foods containing strong acidity and alkalinity, thereby polluting food. Therefore, at present, although metal can be used widely and has an important position, its use is limited, and it is generally used for canned packaging.
Internal research by the industry shows that beer production online, up to 40% of the carbon footprint comes from packaging materials, followed by brewing and distribution, highlighting the need for packaging materials improvement. Polls also show that most consumers are willing to accept more environmentally friendly packaging materials.
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