FIBRE

Density
g/cm3

Tenacitygf/tex

Elongationat break
%

Specific  Flexural   Rigidity
mN mm² tex^-2

Specific  Torsional   Rigidity
mN mm² tex^-2

Electrical
Resistance      at 65% RH
Ohm-cm

Moisture Regain
at  65% RH   %

Melting  Point
^OC

COTTON

1.52

35

7

0.53

0.16

10⁷

7-8

decomposes

FLAX

1.52

55

3

NA

NA

10⁷

7

decomposes

JUTE

1.52

50

2

NA

NA

10⁷

12

decomposes

WOOL

1.31

12

40

0.24

0.12

10⁹

14

decomposes

SILK

1.32

40

23

0.60

0.16

10¹⁰

10

decomposes

VISCOSE

1.46 - 1.54

20

20

0.35

0.06

10⁷

13

decomposes

POLYNOSIC

1.49

30

8

NA

NA

10⁷

11

decomposes

ACETATE

1.32

13

24

0.25

0.06

* 10¹³

6

230

TENCEL

1.5

37.7

13

NA

NA

NA

11

NA

NYLON 6

1.14

32-65

23-43

0.20

0.05

*   >10¹²

2.8-5.0

225

NYLON 6,6

1.14

32-65

23-43

NA

NA

*   >10¹²

2.8-5.0

250

POLYESTER

1.34 - 1.50

25-54

30-55

0.30

0.07

*   >10¹²

0.4

250

ACRYLIC

1.16

20-30

20-28

0.40

0.15

*   >10¹²

1.5

Sticks at  235

LYCRA

1.21

6-8

444 - 555

NA

NA

NA

1.3

230