What materials are used to make egg cartons?

What materials are used to make egg cartons? An egg carton can be made of various materials, including foamed plastics such as polystyrene foam, clear plastic or may be manufactured from recycled paper and molded pulp by means of a mechanized papier-mâché process. What material are egg cartons made of? Paper egg cartons are made … Continue reading What materials are used to make egg cartons?