Pulp Defibration and Fibre Preparation for Airlaid
topic
Pulp defibration for airlaid production uses hammermill or fiberiser machines to convert wet-laid pulp sheets or bales into individual wood pulp fibres of 1 to 3 millimetres length suitable for airlaid deposition, with fibre bundle dispersion degree measured by Bauer McNett fibre classification determining the proportion of individualised fibres versus undispersed bundles that cause web non-uniformity and reduced absorbency performance.
Role
Prepares the individualised wood pulp fibres that are the primary raw material for airlaid absorbent products through mechanical defibration that converts compressed pulp sheets into free fibres suitable for pneumatic transport and uniform web deposition, with defibration efficiency being critical for achieving the absorbency performance of airlaid products that depends on maximum fibre surface area exposure for liquid wicking.
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