Polypropylene

Versatility Drives Growth Polypropylene (PP), invented more than 50 years ago, is still regarded as a wonder product. But it is no longer a cheap polymer, partly because propylene feedstock is scarce and expensive. It will become even more difficult to source propylene as natural gas and, with it, ethane becomes cheaper in relation to crude oil and naphtha, analysts say. The gradual erosion of PP’s cost advantage relative to other plastics means the industry’s focus is increasingly on value-added applications. PP, because of its versatility and ease...

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