Materials generally used for bottles include high-density polyethylene (HDPE), polypropylene (PP), low-density polyethylene (LDPE), polyvinyl chloride (PVC), polyethylene terephthalate (PET), and polystyrene (PS).
1. Cost and availability—should be calculated by the bottle
2. Environmental
recyclability and availability of
recycled material, toxicity, or biodegradability.
3. Clarity or opacity
Bottle need transparency or colored bottle
4. Stiffness or squeezability
5. Water or moisture vapor transmission rate (WVTR)
6. Gas permeability
7. Chemical resistance to the type of chemicals required.