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Is Heating of food plastic packaging bags harmful?

by:FAST SINCERE     2019-12-20
The weather is getting colder. When you buy breakfast, you will find that the vendors will soak the plastic-packed soy milk or milk in hot water, so that it will be warm when we drink it; If the food or drink you buy is cool, some people will choose to put it in the microwave oven to heat it slightly, but many plastic packaged foods will have a faint plastic taste after heating, are these legendary plasticizers or other additives harmful to human body? Generally, plastic products containing food are polyethylene and polypropylene. It should be safe for them to be soaked in water for heating. At the same time, many plastic products containing food will also add some other additives, such as mold release agents and lubricants. At high temperatures, some additives with more active components may be decomposed, however, this high temperature cannot be a temperature that is less than 100 °c when we are hot. In the past two years, new packaging in China's beverage market has gradually increased. At present, there are mainly several types of plastics used for beverage packaging: 1. PE (Polyethylene) : PE is the world's largest synthetic resin and the most consumed plastic packaging material. Polyethylene products are divided into low density, medium density and high density. High Density Polyethylene (HDPE) Due to its high crystallinity, its hardness, air tightness, mechanical strength and chemical resistance are all good, so it is widely blown into hollow containers such as bottles. The container made of various composite materials produced by PE with good heat sealing performance can hold various beverages such as lemon juice and fruit juice. 2, PVC (Polyvinyl chloride) : PVC can be roughly divided into hard products, soft products and paste products. The PVC bottle produced by the injection-pull blowing method has a seamless line, and the bottle wall is thin and uniform, and can hold gas-containing beverages such as cola, soda, etc; PVC bottles produced by extrusion blow molding are only suitable for holding fruit juice and mineral water. 3, PP (Polypropylene) The development of polypropylene transparent packaging bottles is a hot spot in plastic packaging at home and abroad in recent years. With the successful development of transparent modifier nucleating agent, 0. 1, 0. 4% sorbitol xylene (Benzaldehyde) Nucleating agent, the produced high transparent pp bottle can be widely used in beverage packaging requiring high temperature filling, such as concentrated fruit juice, with appropriate price, pressure resistance and temperature resistance, it is a new opponent of PS, ABS, PET and PE bottles.
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