Borregaard has experienced an unforeseen outage at a facility at the Sarpsborg site, which supplies a key chemical used in the production of speciality cellulose. During the period of the outage, cellulose production was restricted to grades outside standard specifications, resulting in delays of shipments of certain speciality cellulose grades. Production of other products at the biorefinery – including lignin-based biopolymers, bio-vanillin, bioethanol, and cellulose fibrils – remained unaffected. Borrega ...