Food grade plastic bag categories are generally divided into ordinary food bags, vacuum food bags, inflatable food bags, boiled food bags, steamed food bags and functional food bags, etc., the material is also diverse, common food grade plastic bag materials are: PE (polyethylene), aluminum foil, nylon and composite materials. In order to ensure that food is fresh and disease-free, no matter the category and material, it has some common characteristics, one is to completely block organic solvents, fats, gases and water vapor; Second, it has excellent permeability resistance, moisture resistance, cold resistance, heat resistance, light resistance and insulation, and has a beautiful appearance; Third, it is easy to form and low processing cost; Fourth, it has good strength, the strength of the unit weight of the plastic bag is high, impact resistance, easy to modify.
Because food-grade packaging is inseparable from people's lives, major manufacturers must strictly abide by the production regulations and norms, comply with the production process of food-grade plastic bags, and the product can finally pass the audit and enter the market. So for consumers, how to distinguish food grade plastic bags? Shenyang Dongyuan Packaging Products Co., Ltd. believes that you can start from the following aspects: First observe the appearance when you get the packaging bag, food-grade plastic bag material has no odor, uniform texture, bright color, gloss and transparency are high; Then you can touch by hand, food grade plastic bags feel good, not sticky, smooth, no obvious granular feeling; These requirements are met, is a safe and hygienic food grade plastic bag.
