Needle Punched Nonwovens - an overview | ScienceDirect Topics
The needle-punched nonwoven geotextiles are entangled to form a complex 3D structure by random fibres, accounting for its bulky nature, wide range of pore size distribution, and good drainage. Needle-punched nonwovens have periodic regions in their structure that are caused by the interaction of fibres with needle barbs.
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