据ICIS网站3月30日消息 由于墨西哥湾沿岸的产量从2月中旬的冬季风暴造成的中断中恢复，大多数市场参与者的美国3月份丙烯合同结算价比2月份下降了18.5美分/磅（408美元/吨）。
3月份的环比降幅为2008年以来最大的一个月，此前一个月的环比增幅为有史以来最大。
然而，聚合物级丙烯（PGP）和化学级丙烯（CGP）的价格分别为70.0美分/磅和68.5美分/磅，仍远高于三年来的平均水平（分别约为43.0美分/磅和41.5美分/磅）。
截至目前，3月份的PGP期货交易价格为53-85美分/磅，2月份为85-125美分/磅。
随着冬季风暴导致的停产，美国丙烯供应继续放缓。然而由于库存低和需求强劲，市场紧张状况持续存在。
尽管大多数丙烯生产厂已恢复生产，但开工率仍低于风暴前的水平。
然而，冠状病毒疫苗的加速推出和被抑制的需求预计将扩大第三季度的季节性需求上升。如果事实证明是这样，丙烯市场将从流化催化裂化（FCC）装置获得大量供应。
随着经济的重新开放和美国新的经济刺激方案刺激了工业品的消费，对大多数丙烯衍生物的需求保持健康。
丙烯的主要出口是作为聚丙烯（PP）的原料。丙烯还用于生产丙烯腈（ACN）、环氧丙烷（PO）、一些醇、异丙苯和丙烯酸。
美国主要的丙烯生产商包括雪佛龙菲利普斯化工公司、企业产品公司、埃克森美孚、希尔资源公司和壳牌化工。
王磊 摘译自 ICIS
原文如下：
US March propylene contract prices plummet as production recovers from winter storm
US March propylene contracts for the majority of market participants settled at an 18.5 cents/lb ($408/tonne) decrease from February as Gulf Coast production recovered from disruptions caused by mid-February's winter storm.
Coming just one month after the largest-ever month-on-month increase, March's month-on-month decrease is the steepest since 2008.
However, at 70.0 cents/lb for polymer-grade propylene (PGP) and 68.5 cents/lb for chemical-grade propylene (CGP), prices remain well above the three-year averages of around 43.0 cents/lb and 41.5 cents/lb, respectively.
Front-month PGP thus far in March has traded at 53-85 cents/lb, compared with 85-125 cents/lb in February.
US propylene supply continues to loosen as production ramps up following winter-storm related shutdowns; however, market tightness persists due to low inventories and strong demand.
While most propylene-producing plants are back online, operating rates remain below pre-storm levels.
However, accelerating roll-outs of coronavirus vaccines and pent-up demand are expected to amplify Q3's seasonal demand upswing. If this turns out to be the case, the propylene market will get an influx of supply from fluid catalytic cracking (FCC) units.
Demand for most propylene derivatives remains healthy as re-opening economies and a new US stimulus package are spurring consumption of manufactured goods.
The main outlet for propylene is as a feedstock for polypropylene (PP). Propylene is also used to produce acrylonitrile (ACN), propylene oxide (PO), a number of alcohols, cumene and acrylic acid.
Major US propylene producers include Chevron Phillips Chemical, Enterprise Products, ExxonMobil, Flint Hills Resources and Shell Chemical.
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