Light viscosity grades and bright stock continue to enjoy reasonably buoyant demand in Asia, while supply of the heavy-vis oils is slightly long and is likely to become even more abundant.
Suppliers acknowledged that base oil requirements in general have been unimpressive the past few weeks. Heavy-viscosity grades other than bright stock have been particularly lackluster, they conceded. This condition could worsen by the start of the fall/winter season, when demand for the heavy oils typically weakens. (Blenders shift to lighter base stocks at that time of year because they perform better in cold weather.)