|
|
| Plastics |
| Common Plastics |
| Physical Properties |
Units |
ASTM TEST |
HDPE |
PP |
Delrin (typ) |
Delrin (AF) |
Natural Nylon |
PTFE |
PVDF |
| Tensile Strength |
N/mm² |
D1457 |
|
|
|
|
|
20-35 |
|
| Tensile Strength at break |
MPa |
D638 |
|
|
58.6 |
48.3 |
84.1 |
|
|
| Tensile Modulus, 23°C |
MPa |
D638 |
|
|
6,200 |
|
|
|
2,400 |
| Elongation at break, 23°C |
% |
D638 |
|
|
12 |
20 |
10 - 40 |
200 - 400 |
80 |
| Tensile Strength at yield 23°C |
MPa |
D638 |
20.7 |
32.4 |
|
|
|
|
51.7 |
| Flexural strength, 23°C |
MPa |
D790 |
|
|
73.8 |
82.7 |
110 |
No break |
74.1 |
| Flexural modulus |
MPa |
D790 |
1,210 |
1,240 |
|
2,100 |
3,660 |
|
2,000 |
| Flexural modulus tangent 23°C |
MPa |
D790 |
|
|
|
|
|
|
2,700 |
| Compressive strength 1% deformation |
% |
D695 |
|
|
|
|
|
4.0 - 4.5 |
|
| Deformation under load 14 N/mm^2 for 24 hours |
% |
D621(1) |
|
|
|
|
|
10 - 15 |
|
| Compressive strength 23°C |
MPa |
D695 |
|
|
|
|
|
|
80 |
| Water absorption |
% |
D570 |
< 0.1 |
< 0.1 |
0.25 |
0.20 |
6.00 |
< 0.01 |
< 0.1 |
| Density |
kg/m³ |
|
950 |
910 |
1,560 |
1,490 |
|
2,160 |
1,780 |
| |
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|
| Common Plastics |
| Thermal Properties |
Units |
ASTM TEST |
HDPE |
PP |
Delrin (typ) |
Delrin (AF) |
Natural Nylon |
PTFE |
PVDF |
| Melting Point |
°C |
D3448 |
|
|
|
|
220 |
|
178 |
| Mean coefficient of linear thermal expansion |
1/ºC |
D696 |
1.3E-04 |
2.0E-04 |
8.1E-05 |
9.4E-05 |
9.0E-05 |
|
1.1E-04 |
| Coefficient of Thermal Expansion from 25°C to 100°C |
°C-1 |
E831 |
|
|
|
|
|
1.6E-04 |
|
| Heat Deflection Temp 23°C |
°C |
D648 |
79 |
|
158 |
102 |
|
|
260 |
| Maximum Service Temperature for long term |
°C |
|
|
|
85 |
85 |
102 |
|
|
| Working Temp Range |
°C |
|
|
|
|
|
|
-200 - +260 |
|
| Continuous Operation Temp |
°C |
|
|
82 |
|
|
|
|
110 |
| Specific Heat |
J/kg-K |
|
|
|
|
|
|
|
|
| |
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|
| Common Plastics |
| Friction and Wear |
Units |
ASTM TEST |
HDPE |
PP |
Delrin (typ) |
Delrin (AF) |
Natural Nylon |
PTFE |
PVDF |
| Coefficient of Friction (Static) |
|
D3028(2) |
|
|
|
|
|
0.09 |
|
| Coefficient of Friction (Dyn) |
|
D3028(2) |
|
|
0.0564 |
0.0538 |
|
0.05 |
|
| Coefficient of Friction at 20°C, 30.5 meter/min, 70.3 kg load |
|
|
|
|
|
|
|
|
0.3 |
| |
|
|
|
|
|
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|
|
|
| Common Plastics |
| Hardness |
Units |
ASTM TEST |
HDPE |
PP |
Delrin (typ) |
Delrin (AF) |
Natural Nylon |
PTFE |
PVDF |
| Izod Impact Notched 23°C |
N m/cm |
D256 |
1.7 |
1 |
0.4 |
0.8 |
0.4 - 0.5 |
1.8 |
1.9 |
| Rockwell Hardness |
|
D785 |
|
|
R118 |
R118 |
R115 - R120 |
|
R100 |
| Hardness |
Shore D |
D785 |
67 |
72 |
|
|
|
50 - 60 |
82 |
|
|
|
 |
Tel: (800) 265-6610 Fax: (775) 640-6048
© 2005-2009 Aquellis, Inc. All rights reserved.
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