It 's definitely hard to make a short overview on the many plastic materials used for packaging. In general, all derived from petroleum processing, chemical composition, however, is changed to achieve different performance characteristics. The most appropriate choice of plastic can be determined by several requirements:
First we must consider the need for transparency of the package or printed material. In both directions have been made strides reaching almost to the same transparency of glass, and the other with the improvement of printing machinery.
Another key consideration is made about the life of the product to be packaged. For products with short retention or where this is not important (packaging products alimetari not) you normally use a single material with lower costs and excellent resistance to protect the product. If the conservation is important materials COUPLED are well suited to packaging. For many, food is the most important barrier to the outside humidity, especially if they are to be consumed in a short time, almost all plastics hinder the passage of moisture well. A bit more complicated is the choice of materials that have the ability to retain a modified atmosphere inside the package.
He thus becomes important to have advice that is always ready and prepared can help to guide your choices, considering the best value priced to fit your packaging.
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