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coir fibre  

Different varieties of coir yarn are used for geotextile manufacturing.
Yarn is made out of fibre extracted from coconut husk.

 

BROWN FIBRE
Fibre mechanically extracted from dry mature coconut husk after soaking.
Brown mattress fibre is generally a low quality fibre containing lots of impurities (pith-husk skin) - short life-
Except bristol fibre: long, hard and strong fibre but with lower softness, lower water absorption capacity, and shorter life than long retted fibre.

 

UNRETTED GREEN FIBRE
Is extracted from green coconut husk after soaking.
Because of no retting, this white fibre is damaged during extraction and large quantity of pectin and acid are present despite the fact that the fibre is immersed in water for 1 month after extraction.The strength of the fibre is often lower than brown fibre.

 

RETTED FIBRE the must
Also called white fibre is extracted from green coconut husk after retting in flowing, circulating or changed water (lagoon-river) for a period of minimum three months (vycome retted fibre "3 to 6 months" - aratory "4 to 6 months" - anjengo and parur "6 to12 months").The retting will help the fibre to be extracted easily and without damage (hand or machinery). The original strength and length of the fibre will be preserved.
Long retting will withdraw much acid and pectin, which can cause oxidation and shorter life of the fibre.The lignin and the cellulose will be reinforced. The yarn made out of long retted fibre will be softer (better to follow the unevenness of the ground), will have water power absorption increased (better water redistribution and thermal isolation), higher breaking strength power,better elongation capacity, and superior longevity. Long retted fibre is the must for good quality yarn.

#fibre


coir yarn
YARN MADE OUT OF COCONUT HUSK FIBRE

Different yarn varieties hand or wheel made are used for geotextile manufacturing.
Liso is selecting the best quality yarn in each variety.

VARIETY
LENGTH AND
TYPE OF
FIBRE
COLOR
TWISTING
SPINNING
QUALITY
LOCAL PRICE
RUPEES/KG
200 - 220 LM/KG
BREAKING
STRENGTH
VYCOME
BROWN
SHORT
MEDIUM
"UNRETTED"
BROWN
SOFT
NO REGULAR
LOW
MEDIUM
14 TO 16
LOW
VYCOME
UNRETTED
SHORT
MEDIUM
"UNRETTED"
"YELLOW"
"LIGHT
  BROWN"
SOFT
NO
REGULAR
LOW
MEDIUM
15 TO 18
LOW
BEACH
SHORT
MEDIUM
"UNDER
 RETTED"
REDDISH
BROWN
SOFT
REGULAR
LOW
MEDIUM
15 TO 16
LOW
MEDIUM
VYCOME
RETTED
MEDIUM
"RETTED"
"BRIGHT"
"CREAM"
"GREY"
MEDIUM
NO REGULAR
MEDIUM
GOOD
19 TO 22
MEDIUM
ARATORY
MEDIUM
"RETTED"
"BRIGHT"
"CREAM"
MEDIUM
OR
HARD
NO
REGULAR
MEDIUM
GOOD
19 TO 23
MEDIUM
ANJENGO
LONG
"RETTED"
"BRIGHT"
"GOLDEN"
MEDIUM
OR
HARD
REGULAR
GOOD
25 TO 29
HIGH

PARUR
LONG
"RETTED"
"BRIGHT"
"GOLDEN"
VERY
HARD
REGULAR
GOOD
26 TO 30
HIGH
BEYPORE
QUILANDY
MEDIUM
LONG
"RETTED"
BRIGHT
SOFT
OR
MEDIUM
REGULAR
GOOD
200 - 220 LM/KG
RUNNAGE
NO AVAILABLE

70 -130 LM/KG
RUNNAGE
ONLY
HIGH

Length of fibre cm:   long: over 15  -  medium: 10 to 15  -   short: 5 to 10.

WITH THE SAME QUALITY FIBRE, SOFT TWISTING WILL MAKE SOFTER YARN (better to follow the unevenness of the ground) BUT WITH LESS BREAKING STRENGTH AND WATER VELOCITY RESISTANCE THAN HARD TWISTING.

WHEEL SPUN HARD TWIST YARN HAVE BETTER FLEXIBILITY, AND BETTER HAIRY SYSTEM (even with long fibre) TO RETAIN THE FINE SOIL`S PARTICLE AND THE SEED THAN MACHINERY SPUN HARD TWIST YARN.

 
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LISO COIR TEX : Pathirapally, Poomkavu
Alappuzha 688 521   Kerala - India
Phone: 0091 477 2258226  Fax: 0091 477 2259285
E-mail: lisocoirtex@satyam.net.in
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