Table 1 Dielectric and electrical properties of commonly used textile fibers at a relative humidity of 65% and frequency of 1 kHz

-

lg ρm

n

lg K

 Cotton

18

6.8

11.4

16.6

[49]

 Ramie

-

7.5

12.3

18.6

[49]

 Silk

5.5

9.8

17.6

26.6

[49]

 Wool

-

8.4

15.8

26.2

[49]

 Washed wool

-

9.9

14.7

26.6

[49]

 Viscose fiber (Viscose wire)

8.4 (15)

7.0

11.6

19.6

[49]

 Acetate fiber (Acetate staple fiber)

4.0 (3.5)

11.7

10.6

20.1

[49]

 Acrylic

-

8.7

-

-

[49]

 Acrylic (degreasing) (Acrylic staple fiber (de-oiled))

(2.8)

14

-

-

[49]

 Polyester

-

8.0

-

-

[49]

 Polyester (degreasing)

-

14

-

-

[49]

 Nylon yarn

4.0

-

-

[49]

 Nylon staple fiber

3.7

-

-

-

[49]

 Polyester staple fiber (de-oiled)

4.2 (2.3)

-

-

-

[49]