Open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead. Synonyms: ambiguous; equivocal. Context examples:
Polypropylene is stronger that polyethylene. High resistance to environment. Have higher melting point. The chemical reason is that polypropylene have triple bond carbon. However, polyethylene have only double carbon bonded to each other. 8 people found this useful.
Polystyrene is a strong plastic that can be injected, extruded or blow molded while styrofoam is a popular foam polystyrene packaging. Invention of Polystyrene and Styrofoam Search the site GO