Definition of Nonwoven Fabric | Raw Materials for Producing Nonwoven | Types of Nonwoven

Posted by Firoz Kabir on Friday, January 24, 2014 0

Nonwoven fabrics are those made by bonding, adhesive application, chemical and mechanical treatment. It is clear that a nonwoven is something that is not woven. Nonwovens are unique engineered fabrics which offer cost effective solutions as e.g. in hygiene convenience items, or as battery separators, or filters, or geotextiles, etc.

Definition of Nonwoven Fabric: These are made from fibres, without any restriction, but not necessarily from fibres. A manufactured sheet, web or batt of directionally or randomly orientated fibres, bonded by friction, and/or cohesion and/or adhesion, excluding paper and products which are woven, knitted, tufted, stitch-bonded incorporating binding yarns or filaments, or felted by wet-milling, whether or not additionally needled. The fibres may be of natural or man-made origin. They may be staple or continuous filaments.

Properties of Nonwoven: 
  • Absorbent
  • Abrasion resistance
  • Breathable
  • Durable
  • Flexible
  • Drapeable
  • Hydrophobic
  • Processability
  • Resilient
  • Soft & stable
  • Mouldable
  • Temperature resistant
  • Flame resistant
  • Lint-free
  • Wrinkle resistant
  • Water repellent
  • Tear resistant
  • Low price
Uses of Nonwoven:
Household : Gown wipes and dusters, table cover, tea and coffee bags, bed clothing, fabric softeners, food wraps, pillow case, filters, bed and table linen, etc.
Medical: personal care and hygiene as in baby diapers, surgical operation coat, products for femine hygiene, adult products, wipe, lab coat, dry and wet pads, nursing pads, sanitary napkin.
Interlinings, insulation and protective clothing, workwears, chemical defence products etc.
Automotive textiles:
Boot liners, shelf trim, oil and cabin air filters, moulded bonnet liners, heat shields, airbags, tapes, decorative fabrics, etc.
Geotextiles: asphalt overlay, soil stabilization, drainage, sedimentation and erosion control, etc.
Industrial: filtering cloth, industrial cloth, roof material, cable insulation, roll goods, reinforced plastics, air conditioning, cement wrapper, coating, geomembrane, industrial wipe.
Sprout cultivation cloth, warming drape, etc
Microfibre nonwovens, such as Amaretta or Alkantara, are being used increasingly as high-quality furnishings  for seat upholstery fabrics, on covered components, for the door lining, and/or for the headliner.
Others: Healthcare, like operation drapes, gowns and packs, face masks, dressings and
swabs, osteomy bag liners, home furnishing, leisure and travel, school and office etc

Raw Materials for the Production of Nonwovens:
Nonwovens are textile fabrics consisting of separated fibres which are arranged properly by means of special technologies. For this reason the choice of fibres and possibly bonding materials is of special importance.

Usually all kinds of fibres can be used to produce nonwoven bonded fabrics.
The choice of fibre depends on
– the required profile of the fabric and
– the cost effectiveness
To produce nonwoven bonded fabrics
– chemical fibres of both cellulosic and synthetic origin as well as
– natural fibres and
– inorganic fibres
are mainly used

Types of Nonwoven Fabrics:
Nonwovens are usually classified depending on their fibrous material as well as making technique.
  • CWashing(water-repellent) nonwoven
  • Thermal-bonding
  • Air-laid
  • Wet nonwoven
  • Spun-bond
  • Melt-brown
  • Needle-punching 
  • Stitch-bonded

About the Author

Md. Firoz Kabir(M.Sc in Textile Engineering)

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