How to detect the plastic packing bags of food * *

food sack made by raw materials commonly used plastic (PE Polyethylene) 、PP( Polypropylene) And PET ( Polyester) Additives used in the manufacturing process of materials, for less, resin itself is stable, they * sex is very high. * reliable plastic flexible packaging products, shall ensure that basic is harmless to human body.

when buying plastic food packaging bags and plastic flexible packaging, inspection, auscultation and olfaction, inquiry, and pulse-taking and palpation methods are available to identify meal with plastic products * sex: 1, look, to pay more attention to the name of the goods, first to identify the purpose and use scope, cannot use, so as not to cause accidents. Secondly, observing products, qualified goods will never appear poor pervious to light or spotted, aerosol, bubble, etc. 2, smell, and if there is a strong plastic smell, prove that the container should not be used for food preservation, it is possible that fail or shoddy products, the quality pass food using plastic products should not have any odors. 3, ask, if the main function is carrying food, that will be special attention, to the sales personnel to understand the purpose of the plastic products, whether can be used for preserving food. 4, cutting, carefully touch food bags samples, if in the plastic opening a burr, belongs to the failed product.

in daily life, we each family to use plastic bags, plastic containers, such as serving food has been commonplace, full of beautiful things in eyes in the shop shelves, placed in plastic soft packing for packaging of food everywhere. Sometimes people do not take the plastic food packaging *, pick a plastic bags to be used for food, but to do so is harmful to health. So for plastic food packaging to identify the basic common sense of *! ！ ！ 1, put the plastic food packaging bags into the water, if sink into the water, is reworked material to do, if floating on the water, is a new material; 2, reworked material to do the plastic bag has a terrible smell, new material made of plastic smell is very weak or no peculiar smell; 3, reworked material to do the roundup of plastic toughness is poor, new material to make plastic toughness is relatively good.