Chapter 3 Fibre to Fabric Notes

  • Fibre – string made of some material.
  • Natural fibre – Fibres obtained from plants or animals . E.g. Cotton, wool, etc
  • Synthetic fibre – Fibres obtained by chemical treatments, artificially are synthetic fibres. E.g. Rayon, Nylon, Polyester and Acrylic.
  • Cotton
    • Cotton plants are grown in the black soil
    • States famous for cotton – Punjab, Haryana, Gujarat, Madhya Pradesh, Maharashtra, Tamil Nadu and Andhra Pradesh.
    • Ginning – Removing its seed from cotton balls
    • Uses – Making cloth, filling mattresses, pillow and quilts
  • Jute (Golden Fibre) –
    • Soft and long natural fibres
    • States famous for Jute – West Bengal, Bihar and Assam
    • Cultivated in rainy season, are harvested in flowering phase,
    • Jute is obtained from outer skin of jute plants (ribbons) and stem of jute plants
    • Retting – Process of extraction of jute fibre from stem
    • Uses – making of wrapping bales, sacks, coarse cloth, curtains, chair coverings, area rugs, hessian cloth etc

    Watch complete video on cotton and jute fibre here

  • Spinning – Process of making yarn from cotton
  • Fabric is made from yarn. Variety of fabric are made depending on the twist.
  • Low Twist Yarn – soft, bulky and velvety fabric
  • High Twist Yarn – silky, shiny fabric
  • Yarn can be made by using simple device hand spindle (takli), a device named charkha, etc
  • Weaving – Process of arranging two sets of yarn to make fabric
    Watch complete process of weaving here
  • Knitting – Process of converting a single thread into fabric.
  • Process of knitting –
    • a single continuous thread is used to form loops and interlock them with the help of knitting needles.
    • Can be done by hands or machines
    • Series of loops formed is called stiches
    • Wales – vertical column of interconnect loops
    • Courses – horizontal column of interconnected loops
    • Property knitting fabric is that it is stretchable
  • Uses of knitting – sweaters, Socks, T-shirts, gloves, blankets, as well as close fitting garments