Prediction of wet web runnability with a relaxation test

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review


    A tensile test rig has been developed by VTT and Metso Paper for measuring dynamic tensile and relaxation properties of wet and dry paper. Hand sheets made of mechanical and chemical pulps were tested in this study at strain rate 1000%/s. The main interest in this study was in the effect of softwood pulp on the residual tension and wet web runnability. Results show that dry strength properties of pulp mixtures do not predict its wet web runnability. Additionally, these results call in question the generally accepted role of softwood chemical pulp in wet web runnability.
    Original languageEnglish
    Title of host publicationRaw materials and processes - viewpoint of product
    Subtitle of host publicationthe 5th Biennial Johan Gullichsen Colloquium
    PublisherFinnish Paper Engineers’ Association
    Number of pages10
    Publication statusPublished - 2005
    MoE publication typeNot Eligible
    Event5th Biennial Johan Gullichsen Colloquium - Kalastajatorppa, Helsinki, Finland
    Duration: 17 Nov 200517 Nov 2005


    Conference5th Biennial Johan Gullichsen Colloquium


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