Meanwhile, margins based on liquefied petroleum gases (LPG) rose compared to last week.
In the week to 13 July, euro-denominated naphtha values increased by 1.08% while LPG values fell 4.08%.
Naphtha-based contract cracker margins fell by 3.71%, with co-products credits steady week on week.
Spot naphtha-based margins fell 3.07%. Co-products credits were down 0.07% week on week.
LPG-based contract margins rose by 8.1%. Co-products credits were down by 0.12%.
The LPG margin advantage to naphtha has expanded to €148/tonne, up from €78/tonne in the week ending 13 July.
Picture source: imageBROKER/REX/Shutterstock
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