PAUL RAPSON / SCIENCE PHOTO LIBRARY PAUL RAPSON / SCIENCE PHOTO LIBRARY
Chemical factory at dusk. This factory makes butyl rubber from oil products. It is part of a larger oil refinery and chemical manufacturing site. Oil refining and chemical manufacturing are closely related industries, as oil products are used in a wide range of chemical industry manufacturing processes. Butyl rubber is a hydrocarbon polymer, mostly made of isobutylene, and also small amounts of isoprene. It is used in tyre inner tubes. Photographed at ExxonMobil's Fawley Oil Refinery and Chemical Plant, Hampshire, UK, one of the largest petrochemical plants in Europe. Most European tyres contain butyl rubber made here.
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