How to choose food packaging bags
When choosing food packaging bags, should consider the following key factors:
Material selection: Select the appropriate material according to the characteristics of the food to be packaged. , for example, if the food needs moisture proof, cold resistance, low temperature heat sealing tensile strength, can choose BOPP/LLDPE two-layer composite material; If you need moisture proof, oil resistance, high transparency and good stiffness, BOPP/CPP two-layer composite material is more suitable; For the need of moisture, oil resistance, oxygen insulation, shading, good toughness of food, BOPP/VMCPP two-layer composite material is the best choice. and if the food needs the characteristics of moisture-proof, oxygen insulation, shading, BOPP/VMPET/LLDPE three-layer composite material is more suitable.
Safety standards: ensure choice of food packaging comply with national safety standards, if plastic shopping bags, (GB/T 21661-2020), , commodities "retail packaging, (BB/T 0039-2013), etc., these standard specifies the thickness of the plastic bags, printing logo, etc. Safety requirements.
No odor, no odor: qualified food plastic packaging bag should be no odor, no odor when leaving the factory. Plastic bags with special smell should not be used for food packaging.
Avoid coloured or recycled plastics: coloured plastic bags ( such as dark red or black) are often made from recycled plastic and should not be used in food packaging.
Choose the right place of purchase: try to buy food plastic bags in big shopping malls, avoid buying from street stalls, to ensure the quality and safety of the source.
Environmental considerations: Where possible, choose green packaging materials, such as or biodegradable plastics, to reduce environmental pollution.