Commodity-plastics （Chinese：通用塑料）are plastics that have large production, wide range of use, good compactability and low selling price. Many products commonly used in daily life are made with them. Commodity-plastics are divided into 5 categories: polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS) and ABS, all of which are thermoplastics.
