Kent-based speciality paper and cartonboard supplier, Chapelton, has revealed that sales levels from its co-operation with International Paper for its GC2 lightweight coated board product, Alaska Plus and leading GC1 coated paperboard product Arktika, have reached a new high during the last quarter, underlining the market's positive response to the respective products. Kent-based speciality paper and cartonboard supplier, Chapelton, has revealed that sales levels from its co-operation with International Paper for its GC2 lightweight coated board product, Alaska Plus and leading GC1 coated paperboard product Arktika, have reached a new high during the last quarter, underlining the market's positive response to the respective products.