(1) the thicker the plastic bag, the stronger it will be. We often see a wide variety of plastic packing bags in our lives. How can a firm bag be all right?. In fact, this is not the case, plastic bags have strict standards, especially for food packaging bags, must use the regular factory production of qualified products, with the approval of the relevant departments, these plastic bags can ensure the quality of the packaging bag.
Plastic bags for food must be marked with "food for food". You can see whether the plastic is clean or not. Qualified plastic bags are clean and free of impurities, while inferior plastic bags will see dirty spots and impurities. Plastic bags single-sided thickness must be more than 0.025mm, less than the thickness of this country is prohibited production.
(two) plastic packaging, colorful, and select color packaging, how beautiful. Although the color of many types of plastic bags, but when we choose to be careful, if used for holding food items in the plastic packaging, from single color, must use simple colors, so at least it less additives. Many deep plastic bags are often made from recycled waste materials that are not directly accessible to the food.
(three) repeated use of plastic packaging bags. Many families are stored waste plastic bags used, in fact, as long as it is stored can pay attention to the use of clean and waste plastic bags, but do not waste plastic bags for food and skin contact, it will produce chronic harm to our health.