Nonwovens Innovation & Research Institute Ltd.

Our Facilities

Research and development at NIRI is supported by comprehensively equipped laboratories. Some of the facilities are listed below.

Fabric Prototyping

Drylaid

  • Fibre blending
  • Fibre extraction and pulling plant
  • Carding (parallel-laid)
  • Carding (cross-laid)
  • Vertical-lapping
  • Airlaid (short fibre and long fibre systems)

Wetlaid

  • Wetlaid (oriented hand sheets) and fibre preparation

Spunlaid

  • Spunblown (BIAX Melblowing)

Nanofibre

  • Electrospinning (Elmarco Nanospider)
  • Forcespinning (Fiberio Centrifugal)

Bonding

  • Hydroentanglement (7 injectors up to 180 bar)
  • Needlepunching (flat and structured)
  • Thermal bonding: calendar
  • Thermal bonding: through-air
  • Chemical bonding (various impregnation methods including foam)
  • Ultrasonic

Other

  • Drying and curing
  • Hot melt
  • Foulard applicator
  • Coating
  • Vacuum Bagging (composites)
  • Filament melt extrusion
  • Wet spinning (fibrous webs)
  • Plasma treatment

Testing and Analysis

Fabric structure, fibre and surface analysis

  • Image analysis (fibre orientation, structural characterisation)
  • Capillary flow porometry
  • Optical Microscopy
  • Electron Microscopy (SEM, ESEM, FEGSEM, TEM)
  • X-ray Microtomography (XMT)
  • Liquid transport, wicking and absorbency analysis
  • Wetting - Goniometry and tensiometry
  • X-ray Photoelectron Spectroscopy (XPS)
  • Interferometry

Chemical, thermal & electrical properties

  • UV/Visible/NIR spectrophotometer
  • NMR and Raman Spectroscopy
  • Fourier Transform Infrared Spectroscopy (FTIR)
  • Differential Scanning Calorimetry (DSC)
  • Thermal Gravimetric Analysis (TGA)
  • Electrostatic properties
  • HPLC, UHPLC

Physical testing facilities for fibres, yarns and fabrics

  • Yarn and fabric dimensions
  • Tensile testing (inc. tear, compression, burst, thickness, delamination, friction)
  • Burst testing (diaphragm)
  • Tear testing
  • Air permeability
  • Pilling
  • Abrasion
  • Dimensional stability
  • Handle and flexural rigidity (Kawabata, FAST)
  • Crease recovery
  • Drape Frictional properties
  • Areal density
  • Flushability
  • Menstrual Tampons Absorbency – Syngina Method