US stocks of propylene for non-fuel use in the week that ended November 17 shed 21,000 barrels to 2.601 million barrels, Energy Information Administration data showed Wednesday.
Inventory levels currently are 1.459 million barrels, or 36%, below where they were a year ago, the data showed.
US refinery run rates rose 0.3 percentage points to 91.3% last week, EIA data showed.
The utilization rate was 0.5 percentage points higher than the year-ago week, the EIA data showed.
In the spot market, US polymer-grade propylene was assessed stable Wednesday at 48-48.5 cents/lb FD USG for November deliveries.
US spot refinery-grade propylene Wednesday was also stable at 37.25-37.75 cents/lb FD USG on a three- to 30-day basis.
