As a group, olefins prices followed the same trend last month with ethylene and propylene prices posting gains. Propylene, which can be made at both the refinery and the cracker, rose by 1.4% to US$555 per metric ton (/mt) in December, up $7.75 from November. Ethylene, which is primarily produced at crackers, climbed 0.23% to US$820/mt in December, up US$2/mt from November.
Polyethylene and polypropylene, plastics manufactured from ethylene and propylene respectively, were both down in December as each derivative reversed the trend observed in the feedstock price. Global polyethylene prices were down 1% to US$1235/mt, while polypropylene prices fell 0.6% to US$1098/mt.
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