Cov tais diav pov tseg tau muab faib ua peb pawg hauv qab no raws li cov khoom siv raw, cov txheej txheem tsim khoom, cov txheej txheem degradation, thiab qib rov ua dua:
1. Cov khoom siv biodegradable: xws li cov khoom siv ntawv (xws li pulp molding type, cardboard coating type), edible powder molding type, plant fiber molding type, etc.
2. Diam duab / biodegradable cov ntaub ntawv: yees duab / biodegradable yas (non-foaming) hom, xws li photobiodegradable PP.
3. Cov ntaub ntawv uas yooj yim rau kev rov ua dua: xws li polypropylene (PP), high-pab polystyrene (HIPS), biaxially oriented polystyrene (BOPS), natural inorganic mineral-filled polypropylene composite products, thiab lwm yam.
