US stocks of propylene for non-fuel use fell 180,000 barrels in the week that ended April 13 to 2.612 million barrels, Energy Information Administration data showed Wednesday.
Inventory levels currently are 89,000 barrels above their year-ago level, data showed.
US refinery run rates shed 0.9 percentage point to 92.40% last week, 0.5 percentage points above the year-ago week, the EIA data showed.
In the spot market, US polymer-grade propylene was assessed unchanged Wednesday at 45.25-45.75 cents/lb FD USG for April deliveries.
US spot refinery-grade propylene was also stable Wednesday at 34.5-35 cents/lb FD USG on a three- to 30-day basis.
