Properties of Selected High Performance Fibers


      
Fiber & Properties

Aramid3

 PAN/Carbon HDPE4 Glass Melamine PBI PBO Novaloid
Phenolic		 Poly-acrylate Poly-Arylate liquid crystal PPS PTFE Poly-imide Poly-amidelmide
Fiber Properties
Tenacity-
dry g/d		 4.0-5.3M
21-27P		 24 24-35 15.3 1.8 2.6-3.0 42 1.3-2.4 1.3-1.7 26-29 3.5 0.9-2.0 3.7 3.4
Tensile-
000 psi		 90M
400P		 31 375-435 500 30 50 N/A 20-30 25-33 424-525 61 40-50 67 75-80
Elongation
at break%		 22-32M
2.5-4.0P		 19 2.8-4.4 4.8 18 25-30 2.5-3.5 30-60 20-30 3.8 40 19-140 19-21 16-21
Moisture
Regain%		 6.5M
4.0P		 9 0 <0.10 5 15 0.6-2.0 6-7.3 12 <0.10 0.6 0 3 4-4.5
Specific
Gravity		 1.38M
1.44P		 1.4 .97 2.5 1.44 1.43 1.50 1.27 1.5 1.41 1.37 2.1 1.41 1.34
Avg. Tough-
ness--g/d		 0.30M
0.85P		 N/A N/A 0.37 N/A 0.4 N/A N/A N/A N/A N/A 0.15 N/A N/A
Abrasion
Resistance		 Good M
Poor P		 Poor Good Poor Fair Good Excel Poor Fair Good Good Good Good Good
Resilience Excellent Poor Fair Poor Fair Excel Excel Fair Good Good Good Poor Fair N/A
Chemical Resistance
Solvents Excel M
Good P		 Good Excel Excel Excel Excel Excel Excel Good Excel Excel Excel Excel Excel
Acids
Dilute: Good M Good Excel Excel Good Excel Good Excel Excel Excel Excel Excel Excel Good
Conc: Fair P Poor Excel Excel Poor Excel Fair Poor Excel <90% Good Excel Excel Fair
Alkalies
Dilute: Good M Good Excel Fair Excel Excel Excel Excel Excel Excel Excel Excel Poor Good
Conc.: Good P Good Excel Fair Excel Good N/A Excel Excel <30% Excel Excel Poor Good
Ultraviolet Poor Good Excel Excel Good Good Good Excel Excel Poor Excel Excel Good Good
Thermal Properties
Limiting O2 30M 55 N/A >100 32 38 68 33 43 37 34 >100 40 32
Index (LOI) 29P                          
Thermal 0.26M <.03 N/A 7.2 0.20 0.26 <0.3 0.28 0.31 N/A 0.3 0.2 N/A 0.08
Conductivity5 0.30P                          
Usable Temp.
Short term: 315-370 V-High Melts at V-High 260-370 >595 Decomp
650		 Decomp
400		   Decomp
>400		 260 Decomp
430		 <485 >400
Continuous 230 220 130 315 >200 315 >300 205 160 >200 205 288 <260 250
Smoke Emis.
--Density 1.0 N/A N/A Low Low Trace Low <0.30 Trace Low N/A Low <1.0 <2.0
Relative Cost
1=Low 4=High 3 3 2 2 2 4 3 2 3 3 3 4 3 3

Note.
1- Nitric and Sulfuric
2- Auto ignition @ 450 C & 100% O2
3- M-Meta-aramid(as Teijinconex); P-Para-aramid(as Twaron)
4- HDPE is not FR/High Temp, but low melt fiber with very high strength for high performance applications
5- BTU-in/hr per dgree F

This chart is copyrighted 2000-2005 by Industrial Textile Associates, Greer, SC, 29650, www.intexa.com. It is reproduced here with permission of ITA.

*Aramid LTD. assumes no obligation or liability to this information


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05/15/2008  843.686.2132 | info@aramid.com