| Item＼Fiber |
p-Aramid |
m-Aramid |
PAN |
Carbon(pitch) |
Super polyethylene |
Polyarylate |
Strength
（kg/m㎡） |
240-350 |
50-85 |
200-720 |
100-350 |
220-480 |
290-410 |
| Elasticity(％) |
1.5-4.5 |
22-38 |
0.5-2.4 |
0.5-2.0 |
3.0-6.0 |
2.5-4.5 |
Modulus
（kg/m㎡） |
5570-14700 |
700-1800 |
23000-70000 |
33500-84000 |
7000-17500 |
5000-12000 |
| Density(g/cm3) |
1.39-1.45 |
1.38 |
1.74-1.97 |
1.40-2.18 |
0.97-0.98 |
1.35-1.41 |
Melting point
（℃） |
480-570 |
400-430 |
2000-3500* |
2000-3500* |
140-155 |
400(min.) |
Heat resistance
（Coefficient of endurance） |
59-75% at 200℃x1000hrs |
Endurance :85-90% at 200℃x1000hrs, 70-80% at 250℃x1000hrs,
65% at 60℃x1000hrs |
|
High in heat conductivity. Low in heat expansionability |
78% at 80℃ |
97% at 200℃x50hrs, 89% at 200℃x100hrs |
| Chemical resistance |
Good(except against concentrated sulfuric acid, concentrated
nitric acid, concentrated hydrochlonic acid) |
Good(except against concentrated sulfuric acid, concentrated
nitric acid, concentrated hydrochlonic acid, 50% NaOH) |
Good |
Good |
Good |
Good at acid and solvent resistance |
| Inflamability |
LOI ：25-29
Carbonized at 400-426℃
Ignition point : 650℃ |
LOI : 29-32 |
|
|
|
LOI:28 |
| Electricity |
Electric resistance
5x1014㎝Ω |
Insulative |
Conductive
8-20μΩm |
Conductive
4-200μΩm |
Insulative |
Insulative |
| Characteristics |
High in strength & elasticity, heat resistance, inflammability,
shock-absorptive. |
Heat resistance, inflammability |
High in strength & elasticity, heat resistance, inflammability |
High elasticity, heat resistance, inflammability |
High in strength & elasticity, low density, abrasion resistance,
shock-absorptive, chemical resistance, weather resistance |
High in strength & elasticity, heat resistance, acid resistance,low
creep, low moisture absorption |
| Applications |
Tire cord, belt, safety jacket, protective jacket, asbestos
substitute, rope, aircraft parts, reinforcement for concrete |
Filter, electric wire jacket, fire jacket, protective jacket,
safety jacket, felt for paper mill, cleaner in printer, belt |
Sports goods, aircraft & spaceship parts, machine parts, X-ray
apparatus parts |
Reinforcement for concrete, sports goods, asbestos substitute,
aircraft & spaceship parts |
Rope, protective jacket, sports goods, fishing line, fishing
net |
Rope, fishing net, sports goods, electric parts, protective
goods, molded goods, special paper |
|
| Item＼Fiber |
Super PVA |
PPS |
PEEK |
Polyimide |
PTFE |
Strength
（kg/m㎡） |
200-260 |
54-66 |
75-84 |
47 |
21-414 |
| Elasticity(％) |
5-6 |
20-35 |
20-25 |
30 |
25-85 |
Modulus
（kg/m㎡） |
3900-4100 |
300-800 |
880-1000 |
411 |
95-400 |
| Density(g/cm3) |
1.3 |
1.34-1.36 |
1.37-1.42 |
1.41 |
2.3 |
Melting point
（℃） |
245 |
285 |
340-345 |
|
327 |
Heat resistance
（Coefficient of endurance） |
90% at 180℃×1hr |
Continuous operatable at 170-190℃ |
100% at 200℃x24hrs. Continuous operatable at 240℃ |
Carbonized at 500℃. Mechanical property unchanged at 260℃
|
Operatable at 260℃for long period |
| Chemical resistance |
Solved by concentrated sulfuric acid, concentrated nitric
acid, concentrated hydrochlonic acid. No effect by other acid
and alkari |
Unsolved by acid, alkari, organic solvent |
Stable against acid and alkari |
Good at acid resistance. Unsolved by solvent. Not good against
alkari solvent at high temp for long |
Good |
| Inflamability |
LOI : 19 |
LOI : 34 |
LOI : 33-34 |
LOI : 36-38 |
|
| Electricity |
|
Insulative |
|
|
|
| Characteristics |
High in strength & elasticity, weather resistance |
High in strength & elasticity, insulative |
Heat resistance, chemical resistance, radient-rays resistance |
Heat resistance, Filtering |
Low coefficient of friction, water repellent, remical resistance |
| Applications |
Concrete reinforcement, tire cord, belt, rope |
Filter, canvas for paper manucture, electric insulation |
Filter, tire cord, belt |
Filter, fire-retardant wear, aircraft & spaceship parts |
Filter, sheet, automobile parts |
|
| Quoted from "Seni Hand Book 1999" by Nippon Kagaku Kyokai
and translated by Fuji Corp. (Remarks)
*Calcined temperature
PAN: Polyacrylonitrile, PVA: Polyvinyl alcohol, PPS: Polyphenylene
Sulfide, PEEK: Poly Ether Ether Ketone
|
|
