应用：齿轮 工程配件 汽车领域应用
美国杜邦POM 500CL 英文物性表
| Physical |
Nominal Value
|
Unit
|
Test Method
|
| Specific Gravity |
1.42
|
g/cm³
|
ASTM D792 |
| Density |
1.41
|
g/cm³
|
ISO 1183 |
| Melt Mass-Flow Rate (MFR) (190°C/1.05 kg) |
7.0
|
g/10 min
|
ASTM D1238 |
| Melt Mass-Flow Rate (MFR) (190°C/2.16 kg) |
15
|
g/10 min
|
ISO 1133 |
| Melt Volume-Flow Rate (MVR) (190°C/2.16 kg) |
12.0
|
cm³/10min
|
ISO 1133 |
| Molding Shrinkage - Flow (24 hr, 3.20 mm) |
1.7 to 2.0
|
%
|
ASTM D955 |
| Molding Shrinkage - Across Flow (24 hr, 3.20 mm) |
1.8 to 2.1
|
%
|
ASTM D955 |
| Molding Shrinkage | ISO 294-4 | ||
|
Across Flow: 2.00 mm
|
1.8
|
%
|
|
|
Flow: 2.00 mm
|
1.9
|
%
|
|
| Water Absorption (23°C, 24 hr) |
0.27
|
%
|
ASTM D570 |
| Water Absorption (Saturation, 23°C) |
1.0
|
%
|
ASTM D570 |
| Water Absorption (Saturation, 23°C) |
1.0
|
%
|
ISO 62 |
| Water Absorption (Equilibrium, 23°C, 50% RH) |
0.24
|
%
|
ASTM D570 |
| Water Absorption (Equilibrium, 23°C, 50% RH) |
0.25
|
%
|
ISO 62 |
| Mechanical |
Nominal Value
|
Unit
|
Test Method
|
| Tensile Modulus 2 (23°C) |
3250
|
MPa
|
ASTM D638 |
| Tensile Modulus (23°C) |
3100
|
MPa
|
ISO 527-2 |
| Tensile Strength 2 | ASTM D638 | ||
|
70°C
|
46.0
|
MPa
|
|
|
100°C
|
30.0
|
MPa
|
|
| Tensile Strength 2 (Yield, 23°C) |
65.0
|
MPa
|
ASTM D638 |
| Tensile Stress (Yield, 23°C) |
67.0
|
MPa
|
ISO 527-2 |
| Tensile Elongation 2 (Yield, 23°C) |
14
|
%
|
ASTM D638 |
| Tensile Strain (Yield, 23°C) |
15
|
%
|
ISO 527-2 |
| Tensile Elongation 2 | ASTM D638 | ||
|
Break, 23°C
|
40
|
%
|
|
|
Break, 70°C
|
190
|
%
|
|
|
Break, 100°C
|
> 250
|
%
|
|
| Tensile Strain (Break, 23°C) |
45
|
%
|
ISO 527-2/50 |
| Nominal Tensile Strain at Break (23°C) |
25
|
%
|
ISO 527-2 |
| Flexural Modulus | ASTM D790 | ||
|
23°C
|
3000
|
MPa
|
|
|
70°C
|
1500
|
MPa
|
|
|
100°C
|
900
|
MPa
|
|
| Flexural Modulus (23°C) |
2900
|
MPa
|
ISO 178 |
| Flexural Strength (5.0% Strain, 23°C) |
90.0
|
MPa
|
ASTM D790 |
| Shear Strength (23°C) |
66.0
|
MPa
|
ASTM D732 |
| Impact |
Nominal Value
|
Unit
|
Test Method
|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
|
-30°C
|
7.0
|
kJ/m²
|
|
|
23°C
|
8.0
|
kJ/m²
|
|
| Charpy Unnotched Impact Strength | ISO 179/1eU | ||
|
-30°C
|
290
|
kJ/m²
|
|
|
23°C
|
350
|
kJ/m²
|
|
| Notched Izod Impact | ASTM D256 | ||
|
-40°C
|
64
|
J/m
|
|
|
23°C
|
70
|
J/m
|
|
| Notched Izod Impact Strength | ISO 180/1A | ||
|
-40°C
|
9.0
|
kJ/m²
|
|
|
23°C
|
9.0
|
kJ/m²
|
|
| Unnotched Izod Impact (23°C) |
2600
|
J/m
|
ASTM D4812 |
| Tensile Impact Strength 3 (23°C) |
210
|
kJ/m²
|
ASTM D1822 |
| Hardness |
Nominal Value
|
Unit
|
Test Method
|
| Rockwell Hardness | ASTM D785 | ||
|
M-Scale
|
90
|
||
|
R-Scale
|
120
|
||
| Rockwell Hardness | ISO 2039-2 | ||
|
M-Scale
|
92
|
||
|
R-Scale
|
120
|
||
| Thermal |
Nominal Value
|
Unit
|
Test Method
|
| Deflection Temperature Under Load (0.45 MPa, Unannealed) |
166
|
°C
|
ASTM D648 |
| Heat Deflection Temperature (0.45 MPa, Unannealed) |
158
|
°C
|
ISO 75-2/B |
| Deflection Temperature Under Load (1.8 MPa, Unannealed) |
105
|
°C
|
ASTM D648 |
| Heat Deflection Temperature (1.8 MPa, Unannealed) |
90.0
|
°C
|
ISO 75-2/A |
| Heat Deflection Temperature (1.8 MPa, Annealed) |
105
|
°C
|
ISO 75-2/A |
| Melting Temperature |
178
|
°C
|
ASTM D3418 |
| Melting Temperature 4 |
178
|
°C
|
ISO 11357-3 |
| CLTE - Flow (23 to 55°C) |
0.00011
|
cm/cm/°C
|
ASTM E831 |
| CLTE - Flow | ISO 11359-2 | ||
|
-40 to 23°C
|
0.000092
|
cm/cm/°C
|
|
|
23 to 55°C
|
0.00011
|
cm/cm/°C
|
|
|
55 to 100°C
|
0.00016
|
cm/cm/°C
|
|
| CLTE - Transverse (23 to 55°C) |
0.00011
|
cm/cm/°C
|
ASTM E831 |
| CLTE - Transverse | ISO 11359-2 | ||
|
-40 to 23°C
|
0.00010
|
cm/cm/°C
|
|
|
23 to 55°C
|
0.00011
|
cm/cm/°C
|
|
|
55 to 100°C
|
0.00017
|
cm/cm/°C
|
|
| Electrical |
Nominal Value
|
Unit
|
Test Method
|
| Surface Resistivity |
6.0E+15
|
ohms
|
ASTM D257 |
| Surface Resistivity |
> 1.0E+15
|
ohms
|
IEC 60093 |
| Volume Resistivity (23°C) |
4.0E+15
|
ohm·cm
|
ASTM D257 |
| Dielectric Strength 5 (23°C, 3.20 mm) |
17
|
kV/mm
|
ASTM D149 |
| Dielectric Constant (23°C, 1 MHz) |
3.60
|
ASTM D150 | |
| Relative Permittivity | IEC 60250 | ||
|
23°C, 100 Hz
|
4.20
|
||
|
23°C, 1 MHz
|
4.10
|
||
| Dissipation Factor (23°C, 1 MHz) |
0.0070
|
ASTM D150 | |
| Dissipation Factor (23°C, 1 MHz) |
0.0060
|
IEC 60250 | |
| Comparative Tracking Index |
600
|
V
|
IEC 60112 |
| Flammability |
Nominal Value
|
Unit
|
Test Method
|
| Flame Rating - UL | UL 94 | ||
|
0.750 mm
|
HB
|
||
|
1.50 mm
|
HB
|
||
|
3.00 mm
|
HB
|
||
| Flammability Classification | IEC 60695-11-10, -20 | ||
|
0.750 mm
|
HB
|
||
|
1.50 mm
|
HB
|
||
|
3.00 mm
|
HB
|
||
| Oxygen Index |
22
|
%
|
ISO 4589-2 |
| UL |
Nominal Value
|
Unit
|
Test Method
|
| RTI Str | UL 746 | ||
|
0.750 mm
|
50.0
|
°C
|
|
|
1.50 mm
|
85.0
|
°C
|
|
|
3.00 mm
|
85.0
|
°C
|
|
| RTI Imp | UL 746 | ||
|
0.750 mm
|
50.0
|
°C
|
|
|
1.50 mm
|
80.0
|
°C
|
|
|
3.00 mm
|
80.0
|
°C
|
|
| RTI Elec | UL 746 | ||
|
0.750 mm
|
50.0
|
°C
|
|
|
1.50 mm
|
100
|
°C
|
|
|
3.00 mm
|
100
|
°C
|
|
| Comparative Tracking Index (CTI) (3.00 mm) |
600
|
V
|
UL 746 |