To access this content, you must purchase Natural fibre products, Supply chain, Business and investment planning, Material testing and product properties, Forests and other biomass resources, Process control and automation, Energy and biofuels, Biomass chemistry and physiology, Bio-based nanomaterials, Pulping and biorefining, All themes, Wood products, Recycled fibre, Environmental control and management, Asset management or Man-made biobased fibre products. Do you already have a membership or are you part of an organization? log in
Internal substances in recovered paper are impurities bound chemically or physically to the surface of the paper or board components or imbedded in the fibre structure of a sheet. They also include chemicals used during the previous papermaking process such as wax or wet strength additives. Most internal substances originate from paper converting and include
