Page 27 - Science Class 07
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Handlooms  are  s ll  quite  common  in  the  silk        Silk’.  Tussar  Silk  is  less  expensive  and
              industry.                                                 durable  as  compared  to  cul vated  silk
                                                                        because of its short fibre length.

                                                                        The  precisely  finished  and  designer
                                                                        garments  produced  from  Tussar  Silk  are
                                                                        world famous and are exported to various
                                                                        countries worldwide including Europe, Gulf
                                                                        and the  United States.

                                                                    v Muga Silk : It is coarse and is produced by
                                                                        the  moth  Antheraea  assamensis.  These
                                                                        silkworms feed on aroma c leaves of som
                                  Throwing
                                                                        and soalu plants. It is commonly produced
              Different Types of Silk                                    in Assam.

              Silk can be categorised on the basis of species       v Crepe Silk : Crepe is a fabric woven with a
              of the moths, the leaves on which they feed on            hard-twist  crepe  yarn  that  gives  a  high
              and  the  way  of  making  thread  out  of  the  silk     number of twists per inch or with ‘S’ and ‘Z’
              filament.                                                  twists alterna vely that give out a rippled

              We can categorise silk in the following types:            effect.
              v Mulberry Silk : Mulberry silk is one of the             In the process of making crepe silk fabric,
                  most renowned and popular forms of silk,              the  silk  yarns  are  highly  twisted  and  then
                  par cularly  when  it  comes  to  tex les.            weaved  together  to  make  the  Crepe  silk
                  Originated  from  the  era  of  Indus  Valley         fabric.

                  Civilisa on,  it  is  one  of  the  exquisite  silk   v Tram Silk : It is produced by twis ng two or
                  used in tex les. The cocoons sole source of           more threads in only one direc on.
                  food  is  the  white  Mulberry  plant,  which     Uses of Silk
                  results  in  their  white  or  off  white  colour.
                                                                    v For women, silk fabric not only can be used
                  These  silkworms  are  domes cated  and
                                                                        to  make  different  types  of  silk  dresses,
                  reared  indoors.  The  major  mulberry  silk
                                                                        including  silk  wedding  gowns, silk  evening
                  producing  states  are  Tamil  Nadu,  Andhra
                                                                        gowns  and  silk  sarongs,  but  also  can  be
                  Pradesh,  West  Bengal,  Karnataka  and
                                                                        used  to  make  silk  dresses  like  shirts,  silk
                  Jammu & Kashmir.
                                                                        skirts or silk scarves.
              v Tussar Silk : Tussar Silk is also known by its
                                                                    v For men, silks are usually used for dresses,
                  Sanskrit  name  ‘Kosa  Silk’  and  produced
                                                                        shirts and suits, silk  es and pocket squares
                  mainly in Jharkhand state of India. Tussar is         for the pockets on suit jackets.
                  valued for its rich texture and natural deep
                  gold  colour.  It  is  obtained  from  silkworms   v Silk fabric may be used to make silk sheets,
                                                                        silk pillowcases, table clothes, throw covers
                  that  do  not  breed  on  mulberry  trees,  but
                  breed on local trees like Sal, Arjun and Saja,        and other home items.
                  and that is why they are also called as ‘Wild



              Science-7                                                                                          27
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