COMPARISON HIGH PERFORMANCE MATERIALS

Aramide*

PAN

HDPE**

Glass

PBI

PBO

Phenolic

PMMA

PPS

PTFE

PI

PAI

tenacity

g/d

4.0 – 5.3 (M)

21 – 27 (P)

24

24 – 35

15.3

2.6 – 3.0

42

1.3 – 2.4

1.3 – 1.7

3.5

0.9 – 2.0

3.7

3.4

tensile strength

psi

90 (M)

400 (P)

31

375 – 435

500

50

N/A

20 – 30

25 – 33

61

40 – 50

67

75 – 80

elongation

%

22 – 32 (M)

2.5 – 4.0 (P)

19

2.8 – 4.4

4.8

25 - 30

2.5 – 3.5

30 – 60

20 – 30

40

19 – 140

19 – 21

16 - 21

moisture regain

%

6.5 (M)

4.0 (P)

9

0

< 0.10

15

0.6 – 2.0

6 – 7.3

12

0.6

0

3

4 – 4.5

specific gravity

-

1.38 (M)

1.44 (P)

1.4

0.97

2.5

1.43

1.50

1.27

1.5

1.37

2.1

1.41

1.34

abrasion resistance

-

good (M)

poor (P)

poor

good

poor

good

excellent

poor

fair

good

good

good

good

resilience

-

excellent

poor

fair

poor

excellent

excellent

fair

good

good

poor

fair

N/A

CHEMICAL RESISTANCE

solvents

excellent (M)

good (P)

good

excellent

excellent

excellent

excellent

excellent

good

excellent

excellent

excellent

excellent

acid (diluted)

good (M)

fair (P)

good

excellent

fair

excellent

excellent

excellent

excellent

excellent

excellent

excellent

good

acid (concent.)

good (M)

fair (P)

poor

excellent

excellent

excellent

fair

poor

excellent

good

excellent

excellent

fair

alkali (diluted)

good

good

excellent

fair

excellent

excellent

excellent

excellent

excellent

excellent

poor

good

alkali (concent.)

good

good

excellent

fair

good

N/A

excellent

excellent

excellent

excellent

poor

good

UV

poor

good

excellent

excellent

good

good

excellent

excellent

excellent

excellent

good

good

THERMAL PROPERTIES

limiting O2

30 (M)

55

N/A

> 100

38

68

33

43

34

> 100

40

32

thermal conductivity

0.26 (M)

< 0.03

N/A

7.2

0.26

< 0.3

0.28

0.31

0.3

0.2

N/A

0.08

USABLE TEMPERATURES (°C)

short term

315 – 370

very high

-

very high

595

650 (decomp.)

400
(decomp.)

-

260

430
(decomp.)

continuous

230

220

130

315

315

> 300

205

160

205

288

> 260

250

SMOKE EMISSION

density

1.0

N/A

N/A

low

trace

low

< 0.30

trace

N/A

low

< 1.0

< 2.0