FIBERCARE® REFINING CASE STUDYRefining & Strength improvement with FiberCare® on Tissue Production at Mill 2 Case Study 2Mill target: Improve tensile strength of tissue paper Mill problem: Poor tensile strength Trial SituationPaper grade: 14.6g/m2 Roll tissue paper Machine speed: 1720m/min Furnish: 10% bleached softwood kraft pulp / 90% bleached hardwood kraft pulp Enzyme treated pulp: Mixed bleached softwood/ hardwood pulp Pulp and white water situation: •Pulp in Hydraulic Pulper: T = 35 °C, pH = 6.7 •White water: pH = 6.5-7.5 •Post-refiner Pulp: T = 40 °C •Headbox Pulp: T = 35-38 °C Trial SituationEnzyme: FiberCare R Adding point: Pulper Enzyme dosage: 70g/t Enzyme treatment time: around 1 hours before refining Mix chest Pulper NBKP2 Pulper Tower 3 DDR Refiners Storage Chest

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