1 Different materials: Disposable foam tableware is made from PS (polystyrene) with a foaming agent, while disposable plastic tableware is made from PP (polypropylene).
2 Toxicity: Disposable foam tableware (PS with foaming agent) releases toxic substances at temperatures of 95°C, whereas disposable plastic tableware (PP) is safe and hygienic to use below 110°C.
Disposable foam plastic tableware refers to tableware made from polystyrene resin, which is melted at high temperatures in an extruder and combined with a foaming agent (such as butane) to form sheets. These sheets are then wound up and placed in a well-ventilated, humid environment to cure, followed by a secondary heating process to form various types of food containers, such as fast food boxes, soup bowls, instant noodle bowls, and fresh food trays.
The scope of disposable tableware is clearly defined: it refers to utensils intended for eating or similar purposes, including disposable items like food containers, plates, dishes, knives, forks, spoons, chopsticks, bowls, cups, cans, teapots, straws, etc. It also includes disposable inner lining tableware with external supports. However, it does not include food packaging materials that are not intended for eating or similar purposes, such as fresh food trays, yogurt cups, jelly cups, etc. Disposable plastic tableware refers to items made from resin or other thermoplastic materials through a hot-press molding process.