| Properties |
ASTM |
UHMW-PE |
PE |
PE |
SHORE |
ACETAL |
NYLON
6 |
MC
CAST NYLOM |
PTFE |
ABS |
PC |
| Specific gravity |
D792 |
0.94 |
0.941-0.965 |
0.902-0.910 |
1.30-1.58 |
1.41 |
1.12-1.14 |
1.15-1.17 |
2.14-2.20 |
1.03 |
1.2 |
p.s.i Tensile
strength |
D638 |
2500-3500 |
3100-5500 |
4300-5500 |
6000-7500 |
8800 |
11800-10000 |
11000-14000 |
2000-5000 |
4600 |
|
| Elongation % |
D638 |
500 |
20-1300 |
200-700 |
40-80 |
40-75 |
100a-300b |
30-320 |
300-400 |
|
|
Comprehension
strength p.s.i |
D695 |
2400 |
2700-3600 |
5500-8000 |
8000-13000 |
16000(10% defl.) |
13000 |
- |
1700 |
|
|
Impact strength
(1/2X1/2 in .notched) |
D256 |
No break |
0.5-20.0 |
0.5-2.2at(1/8*1/2 inbar) |
0.4-20.0 |
1.0-1.5(1/2*1/2 inbar) |
1.0a-3.0b |
0.8-3.0(1/2*1/2 inbar) |
3.0 |
|
|
Hardness,
Rockwell |
D785 |
D60-70
(Shore) |
D60-DD70
(Shore) |
80-110 |
65-85
(Sgire D) |
M78-M80 |
R119 |
R95 -R1220 |
D50-D55
(Shore) |
R86 |
|
105p.s.i 73°F
Flexural Modulus
|
D790 |
1.30-1.40 |
1.0-2.6 |
1.7-2.5 |
3-5 |
3.75 |
3.9a-1.4b |
1.1-4.5a
0.8-1.6b |
- |
2.3 |
- |
Coefficient
of friction |
|
- |
0.080.18 |
0.3 |
0.45 |
0.18 |
0.37 |
0.35 |
0.040.1 |
0.38 |
|
-104cal sec cm3℃
cm Thermal
conductivity |
C177 |
11-12.4 |
11.0-12.4 |
2.8 |
3.5-5.0 |
5.5 |
5.8 |
- |
6.0 |
1.7-2.1 |
4-6 |
Thermal expansion
105per℃ |
D696 |
7.2 |
11.0-13.0 |
5.8-10.2 |
5.0-10.0 |
8.5 |
8.3 |
9.0 |
10.0 |
7.4 |
7 |
Resistance
to heat ℃ |
|
120℃ |
80℃ |
110℃ |
65℃
75℃ |
80℃
120℃ |
80℃
120℃ |
121℃
149℃ |
260℃ |
70-100 |
121 |
W-cm(23 ℃50%)
Volume resitivity |
D257 |
1016 |
1016 |
1016 |
1016 |
1.0*1014 |
1.0*1014 |
- |
1018 |
9-1015 |
.1*1016 |
1/8-in.thickness volts
mil dielectric strength |
D149 |
710 |
450-500 |
500-660 |
350-500 |
500
(90mil) |
400 |
300-400 |
480 |
230 |
|
1KHZ
Dielectric constant |
D150 |
2.25-2.35 |
2.30-2.35 |
2.2-2.6 |
3.0-3.8 |
3.7 |
3.7 |
3.7 |
2.1 |
|
3.17 |
Dissipation
(power)factor |
D150 |
0.00021 |
0.0005 |
0.0005-0.0018 |
0.009-0.0177 |
0.0010
(40mile) |
0.02 |
0.02 |
0.0002 |
- |
0.0021 |
1KHZ Water
absorption
24hr3.2mm｡A
Thickness% |
D570 |
0.001
|
0.01 |
0.01-0.03 |
0.04-0.4 |
0.02 |
1.3-1.9 |
0.6-1.2 |
0.00 |
0.30 |
0.15 |
in min
Burning rate |
D635 |
- |
1.00-1.04 |
0.75-0.82 |
- |
1.0-1.1 |
- |
- |
- |
- |
- |
Effect of
weak acids |
D543 |
VeryResistant |
Resistant |
None |
None |
Resistant to some |
Resistant |
Resistant |
None |
|
|
Effect of
strong acid |
D543 |
Attachedslowly
byoxidizing
acids |
Attachedslowly byoxidizing
acids |
Attachedslowly byoxidizing
acids |
None |
Attached |
Attached |
Attached |
None |
|
Resistant
(Limited) |
Effect of
weak Alkalis |
D543 |
Very resistance |
Very resistant |
None |
None |
Attached |
None |
None |
None |
|
Attached |
Effect of
strong Alkalis |
D543 |
Very resistant |
Very resistant |
Very resistant |
None |
Attached |
resistant |
resistant |
None |
|
Attached |
Effect of
organic
solvents |
D543 |
Resistantbelow
80℃ |
Resistantbelow
80℃ |
Resistantbelow
80℃ |
Resist Alcohol｡Aaliphatic |
Excellent resistance
to practically
all solvents |
Excellent resistance
to practically all solvents |
Excellent resistance
to practically all solvents |
None |
|
Soluble in
chlorinated hydrocarbons
Partially
soluble |
