The change of disposable lunch boxes
In recent years, disposable fast food box on the market have been by foam lunch boxes to environmentally friendly lunch boxes, foam lunch boxes for the original due to high temperature, and the production of process on the environment caused by damage and much eliminated, and wait for the plastic lunch boxes, paper boxes, wooden boxes degradation boxes... Wait The plastic because of its lower toxicity, higher melting point, plasticity is strong, easy to produce and relative low cost characteristics so as to mainstream material for the manufacture of disposable lunch boxes. Such as PP plastic lunch boxes, PP is polypropylene, with excellent mechanical properties and thermal properties, especially suitable for the heating of the food packaging applications. PS polystyrene, rigid and brittle, non-toxic, tasteless, especially suitable for frozen food packaging such as pastry or salad.