Open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead. Synonyms: ambiguous; equivocal. Context examples:
Polypropylene, also know as polypropene is a form of plastic just as polyethylene is. What separates polypropylene from polyethylene for starters is the fact that polypropylene can be molded in essence becoming pliable above a certain temperature. When it cools it will return to its solid state.
Coatings vary, as does the fabric. PVC (poly vinyl chloride) is falling out of favour gradually, as it's not very environmentally friendly, but PE (polyethylene aka polythene) and PEVA (a copolymer of polyethylene and EVA (ethylene vinyl acetate) are readily available.VC (poly vinyl chloride) is falling out of favour gradually, as it's not very environmentally friendly, but PE (polyethylene aka polythene) and PEVA (a copolymer of polyethylene and EVA (ethylene vinyl acetate) are readily available.