The uses of rigid polystyrene are containers such as cosmetic bottles, TV cabinets. etc. In its sheet form it is used to make disposable cups.
It depends on what the containers are made of. If they are made of very fine material that can be folded really small than possibly a few. But if they are rigid, then none.
See the links for a summary of the details of testing Rigid Plastic Containers which references IS 6312.
The growth of flexible bags, pouches, and wraps, as well as rigid carriers and containers made from plastics, has created a serious challenge to the dominance of the folding paperboard box.
The growth of flexible bags, pouches, and wraps, as well as rigid carriers and containers made from plastics, has created a serious challenge to the dominance of the folding paperboard box.
Rigid is immovable, unbending. Semi-rigid can move in a limited way.
green containers are called green containers
no they are not rigid.
green containers are called green containers
Rigid polystyrene is a hard plastic Rigid polystyrene is a hard plastic
Firm; stiff; unyielding; not pliant; not flexible., Hence, not lax or indulgent; severe; inflexible; strict; as, a rigid father or master; rigid discipline; rigid criticism; a rigid sentence.
most rigid