Fiber - Properties
 Fiber Properties
| Fiber Type |
Density (g/cc) |
Moisture Regain (%) |
Elongation at Break (%) |
Breaking Tenacity (g/Denier) |
Initial Modulus (CN/tex) |
Thermal Shrinkage (@ 177 C) |
L.O.I. |
Melting Point (C/F) |
| Nylon |
1.14 |
2.8 to 5.0 |
17 to 45 |
4.0 to 7.2 |
400 |
N/A |
- |
216/419 |
| Polyester (PET) |
1.38 |
0.4 |
15.3 |
9.2 |
998 |
11.6 |
- |
256/493 |
| Kevlar 29® |
1.44 |
7 |
3.6 |
23 |
4,900 |
< 0.1 |
28 |
427/800 T |
| Kevlar 49® |
1.44 |
3.5 |
2.4 |
23.6 |
7,814 |
< 0.1 |
28 |
427/800 T |
| Nomex® |
1.38 |
4.5 |
28 |
4.9 |
839 |
0.4 |
29-30 |
371/700 T |
| Vectran® |
1.41 |
< 0.1 |
3.3 |
23 |
4,635 |
< 0.5 |
35 |
330/625 |
| Technora® |
1.39 |
2 |
4.6 |
28 |
5,209 |
< 0.5 |
35 |
330/625 |
| Twaron® |
1.44 |
6.5 |
3.6 |
22.3 |
4,900 |
< 0.1 |
25 |
500/932 T |
| Carbon / Graphite |
1.77 |
None |
1 |
21.3 |
|
< 0.1 |
- |
315/600 T |
| Fiberglass |
|
|
|
|
|
|
|
|
| e - glass |
2.54 |
None |
4.8 |
15.3 |
2,900 |
< 0.1 |
- |
1121/2050 |
| s - glass |
2.48 |
None |
5.7 |
19.8 |
3,500 |
< 0.1 |
- |
1493/2719 |
| PBI |
1.43 |
15 |
28.5 |
2.7 |
280 |
< 0.1 |
41 |
460/860 T |
| PTFE (Teflon) |
2.1 |
None |
35 |
1.7 |
110 |
7 |
N/A |
327/621 TT |
| Spectra® / Dyneema® |
0.97 |
< 0.1 |
2.7-3.5 |
26-34 |
10,595 |
N/A |
- |
147/297 |
T – Does not melt, begins to decompose
TT – Does not melt, but begins to Gel
Source - Producers Literature
Please refer to the Glossary of Common Textiles Terms, found on this web site, for a definition of the above Textile engineering terms and units.
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