Physical properties:
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Length – 150-300cm
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Diameter – usually 6-20 micron
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Absorbency – good
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Color – yellow to brown to dirty grey. Depending
upon the comdition of growth retting etc.
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Moisture regain – 13-13.755%
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Strength – 5-8gm/den
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Elasticity – low
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Elongation to break – 1.7%
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Specific gravity – 1.48-1.5
Mechanical properties:
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Medium dimensional stability.
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Moderate abrasion resistance.
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Resiliency poor
Chemical properties:
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Effect of acid: easily damaged by hot dilute or
cold concentrated acids.
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Effect of alkali:
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Strong alkali degrades the strength.
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Effect of bleaches: jute can be bleached but
losses strength.
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Dye affinity: easily dyed but wash fastness and
light fastness are poor.
Environmental properties:
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No affected by moth.
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No affected by mildew.
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Poor resistant to sunlight.
Thermal properties:
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Effect of heat: it may not degraded by heat. But
prolonged heating operation degrades the fibers.
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Flammability: burns.