Jute – green gem of India

obrázek Juta
Kenaf a Meshta
obrázek pěstování juty a jejího sklízení

JUTA

Corchorus capsularis (Light Golden Colour)
Corchorus olitorius (Light Golden Colour)

  • Annual or perennial plant
  • Growing area is mainly India, Bangladesh, China, Burma, Thailand, Vietnam (humid tropical climate)

KENAF

Hibiscus cannabinus

  • Annual or perennial plant
  • Similar to Corchorus capsularis and is slightly coarser
  • Height 1,5 – 3,5 m in 4 – 5 months, blooming 3 – 4 weeks long
  • Originally from Africa – Angola, Egypt
  • Now India, Bangladesh, Thailand, China, also in USA and Italy

ROSELLE / MESHTA / MESTA

Hibiscus sabdariffa

  • Annual or perennial plant
  • Height 2 – 2,5 m
  • Growing area mainly China, Thailand

Worldwide production of natural fibres

Physical and Chemical Properties of Natural Fibres

 Density
g / cm3
Cellulose
%
Hemicellulose
%
Lignin
%
Pectin
%
Coir1,4443,0< 1,045,04,0
Jute1,5071,513,313,1
Flax1,5470,0 – 72,014,04,0 – 5,04,0
Sisal1,4560,0 – 67,010,0 – 15,08,0 – 12,02,0
Cotton1,5192,06,00,1< 1,0
Hemp1,5074,018,04,01,0
Glass2,55
 Moisture Absorption
při 65 % RH
Diameter
µm
Tenacity
Pa 
Stiffness
KN / mm3 
Elongation at break
%
Coir10,0 – 12,0100,0 – 450,0220,06,015,0 – 25,0
Jute12,5200,0400,0 – 800,010,0 – 30,01,8
Flax7,0200,0 – 300,0800,0 – 1500,060,0 – 80,01,2 – 1,6
Sisal10,0 – 12,0 50,0 – 200,0600,0 – 700,038,02,0 – 3,0
Cotton8,0 – 25,012,0 – 17,0400,012,03,0 – 10,0
Hemp8,048,0550,0 – 900,070,01,6
Glass7,0 – 8,02400,073,03,0

Chemical Properties of Jute