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An overview of the characteristics of composite plastic packaging bags

Browsing times:183Release time:2016-07-20

Food packaging bag commonly used in a variety of characteristics, for the correct selection of plastic packaging bag is very important, because the material of plastic bags, determines the basic characteristics of the plastic bags. With the same or similar form of plastic packaging bags, due to the different materials, the performance of its use may have a huge difference.
Physical and mechanical properties including tensile strength, elongation at break, it is to reflect the product in use process with the ability to stretch, if this not qualified in the use of food packaging bag prone to rupture and damage phenomenon.
Health and performance: including steam consumption, Potassium Permanganate, residues, heavy metals, decolorization test. Steamed, residue is a reflection of the food packaging bag in the use process met vinegar, wine, oil, liquid precipitated residue, heavy metal, residue and heavy metals will have adverse effects on human health. In addition, the residue will directly affect the color, smell and taste of food.
Food bag, food composite bag, or ordinary food packing bag. For food composite bags commonly used in two kinds of materials.
Dried fruit packing bag, or water less food, most of the use of OPP/CPP composite bag. This kind of food compound bag is hard.
The other is to install more water, the use of PA/PE composite bags. Hebei into a composite bag of food, the security requirements are very high. There are a lot of special requirements on the production process of composite bags.

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