Why can aluminum foil be used as food packaging bags?
There are many materials that can be used in food packaging bags, including various functional plastics, paper, and aluminum. Many people find it strange, why aluminum can be used as a material for food packaging bags? What are the characteristics of food packaging bags made of aluminum?
The aluminum-plastic composite bag is a packaging product that integrates various packaging advantages. Low cost, exquisite printing; product appearance is opaque, silver-white, reflective, with good barrier properties, heat-sealing properties, light-shielding properties, high-temperature resistance, low-temperature resistance, oil resistance, fragrance retention; non-toxic and tasteless; Softness and other characteristics.