美国杜邦POM 500 英文物性
| Physical |
Nominal Value
|
Unit
|
Test Method
|
| Density |
1.42
|
g/cm³
|
ISO 1183 |
| Melt Mass-Flow Rate (MFR) (190°C/2.16 kg) |
14
|
g/10 min
|
ISO 1133 |
| Molding Shrinkage | ISO 294-4 | ||
|
Across Flow
|
2.0
|
%
|
|
|
Flow
|
2.1
|
%
|
|
| Water Absorption (Saturation, 23°C) |
0.90
|
%
|
ISO 62 |
| Water Absorption (Equilibrium, 23°C, 50% RH) |
0.22
|
%
|
ISO 62 |
| Mechanical |
Nominal Value
|
Unit
|
Test Method
|
| Tensile Modulus |
3200
|
MPa
|
ISO 527-2/1 |
| Tensile Stress (Yield) |
72.0
|
MPa
|
ISO 527-2/50 |
| Tensile Strain (Yield) |
15
|
%
|
ISO 527-2/50 |
| Tensile Strain (Break) |
45
|
%
|
ISO 527-2/50 |
| Nominal Tensile Strain at Break |
30
|
%
|
ISO 527-2/50 |
| Tensile Creep Modulus (1 hr) |
2900
|
MPa
|
ISO 899-1 |
| Tensile Creep Modulus (1000 hr) |
1700
|
MPa
|
ISO 899-1 |
| Flexural Modulus |
3000
|
MPa
|
ISO 178 |
| Impact |
Nominal Value
|
Unit
|
Test Method
|
| Charpy Notched Impact Strength | ISO 179 | ||
|
-30°C
|
8.0
|
kJ/m²
|
|
|
23°C
|
9.0
|
kJ/m²
|
|
| Charpy Unnotched Impact Strength | ISO 179 | ||
|
-30°C
|
300
|
kJ/m²
|
|
|
23°C
|
340
|
kJ/m²
|
|
| Notched Izod Impact Strength | ISO 180/1A | ||
|
-40°C
|
6.0
|
kJ/m²
|
|
|
23°C
|
8.0
|
kJ/m²
|
|
| Hardness |
Nominal Value
|
Unit
|
Test Method
|
| Rockwell Hardness (R-Scale) |
120
|
ISO 2039-2 | |
| Thermal |
Nominal Value
|
Unit
|
Test Method
|
| Heat Deflection Temperature (0.45 MPa, Unannealed) |
165
|
°C
|
ISO 75-2/B |
| Heat Deflection Temperature (1.8 MPa, Unannealed) |
100
|
°C
|
ISO 75-2/A |
| Heat Deflection Temperature (1.8 MPa, Annealed) |
115
|
°C
|
ISO 75-2/A |
| Vicat Softening Temperature |
160
|
°C
|
ISO 306/B |
| Melting Temperature |
178
|
°C
|
|
| CLTE - Flow |
0.00012
|
cm/cm/°C
|
ASTM E831 |
| Electrical |
Nominal Value
|
Unit
|
Test Method
|
| Surface Resistivity |
1.0E+15
|
ohms
|
IEC 60093 |
| Volume Resistivity |
1.0E+15
|
ohm·cm
|
IEC 60093 |
| Dielectric Constant | IEC 60250 | ||
|
100 Hz
|
3.40
|
||
|
1 MHz
|
3.30
|
||
| Dissipation Factor | IEC 60250 | ||
|
100 Hz
|
0.010
|
||
|
1 MHz
|
0.0070
|
||
| Comparative Tracking Index |
600
|
V
|
IEC 60112 |
| Electric Strength |
32
|
kV/mm
|
IEC 60243-1 |
| Flammability |
Nominal Value
|
Unit
|
Test Method
|
| Flame Rating - UL (1.60 mm) |
HB
|
UL 94 | |
| Oxygen Index |
23
|
%
|
ISO 4589-2 |