| http://www.w3.org/ns/prov#value | - The firm now makes high density and low density polyethylene, as well as polypropylene, acrylic acid and related products and compounds.The next stage of the region's development will require producers moving into specialty chemicals and differentiated commodities, including engineering resins and performance polymers such as polyurethane, Al-Qurtas said.Greater challenges exist in Europe, where s
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