Packaging bags are popular in various industries today, making them
convenient, efficient, and easy to transport. There are four major types of
packaging materials: plastic materials, paper materials, metal materials, and
glass materials. Among them, plastic packaging bags account for a relatively
large proportion, and plastic vacuum packaging bags can also make products
fresh, easy to transport, and not easy to squeeze.
So what are the components of plastic packaging? Plastic packaging bags are
primarily based on the composition or natural polymer resin. A type of material
that, after adding various additives, has ductility at a certain temperature and
pressure, and can fix its appearance after cooling.
The process of natural or composed polymer resin molecules in a molten state,
with uniformly distributed auxiliary molecules nearby, is called plasticization.
This process is called early plasticization when it arrives early, but it is
considered not to have been plasticized yet.
Of course, plastic packaging bags are now the second packaging information,
and their applicability is not as good as paper and cardboard packaging.
However, the plastic vacuum packaging industry is opening at a rate of 5% every
year, while other plastic materials, including paper and cardboard, metal,
glass, pottery, hemp and cotton, are only added at a rate of 2%.
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