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POM 500T 英文官方物性表：
| Physical |
Nominal Value
|
Unit
|
Test Method
|
|
Specific Gravity
|
1.39
|
g/cm³
|
ASTM D792 |
|
Density
|
1.38
|
g/cm³
|
ISO 1183 |
|
Melt Mass-Flow Rate (MFR) (190°C/1.05 kg)
|
5.5
|
g/10 min
|
ASTM D1238 |
|
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)
|
12
|
g/10 min
|
ISO 1133 |
|
Melt Volume-Flow Rate (MVR) (190°C/2.16 kg)
|
10.0
|
cm³/10min
|
ISO 1133 |
|
Molding Shrinkage - Flow (24 hr, 3.20 mm)
|
1.3 to 1.6
|
%
|
ASTM D955 |
|
Molding Shrinkage - Across Flow (24 hr, 3.20 mm)
|
1.3 to 1.6
|
%
|
ASTM D955 |
|
Molding Shrinkage
|
ISO 294-4 | ||
|
Across Flow: 2.00 mm
|
1.6
|
%
|
|
|
Flow: 2.00 mm
|
1.7
|
%
|
|
|
Water Absorption (23°C, 24 hr)
|
0.41
|
%
|
ASTM D570 |
|
Water Absorption (Saturation, 23°C)
|
0.86
|
%
|
ASTM D570 |
|
Water Absorption (Saturation, 23°C)
|
0.82
|
%
|
ISO 62 |
|
Water Absorption (Equilibrium, 23°C, 50% RH)
|
0.27
|
%
|
ASTM D570 |
|
Water Absorption (Equilibrium, 23°C, 50% RH)
|
0.21
|
%
|
ISO 62 |
| Mechanical |
Nominal Value
|
Unit
|
Test Method
|
|
Tensile Modulus 3 (23°C)
|
2400
|
MPa
|
ASTM D638 |
|
Tensile Modulus (23°C)
|
2400
|
MPa
|
ISO 527-2 |
|
Tensile Strength 3
|
ASTM D638 | ||
|
70°C
|
43.0
|
MPa
|
|
|
100°C
|
34.0
|
MPa
|
|
|
Tensile Strength 3 (Yield, 23°C)
|
53.0
|
MPa
|
ASTM D638 |
|
Tensile Stress (Yield, 23°C)
|
56.0
|
MPa
|
ISO 527-2 |
|
Tensile Elongation 3 (Yield, 23°C)
|
15
|
%
|
ASTM D638 |
|
Tensile Strain (Yield, 23°C)
|
18
|
%
|
ISO 527-2 |
|
Tensile Elongation 3
|
ASTM D638 | ||
|
Break, 23°C
|
75
|
%
|
|
|
Break, 70°C
|
> 250
|
%
|
|
|
Break, 121°C
|
> 250
|
%
|
|
|
Tensile Strain (Break, 23°C)
|
> 50
|
%
|
ISO 527-2/50 |
|
Nominal Tensile Strain at Break (23°C)
|
35
|
%
|
ISO 527-2 |
|
Tensile Creep Modulus (1 hr)
|
2300
|
MPa
|
ISO 899-1 |
|
Tensile Creep Modulus (1000 hr)
|
1200
|
MPa
|
ISO 899-1 |
|
Flexural Modulus
|
ASTM D790 | ||
|
23°C
|
2250
|
MPa
|
|
|
70°C
|
1250
|
MPa
|
|
|
100°C
|
700
|
MPa
|
|
|
Flexural Modulus (23°C)
|
2100
|
MPa
|
ISO 178 |
|
Flexural Strength (5.0% Strain, 23°C)
|
69.0
|
MPa
|
ASTM D790 |
|
Flexural Strength (3.5% Strain, 23°C)
|
60.0
|
MPa
|
ISO 178 |
|
Shear Strength (23°C)
|
44.0
|
MPa
|
ASTM D732 |
| Impact |
Nominal Value
|
Unit
|
Test Method
|
|
Charpy Notched Impact Strength
|
ISO 179/1eA | ||
|
-30°C
|
9.0
|
kJ/m²
|
|
|
23°C
|
14
|
kJ/m²
|
|
|
Charpy Unnotched Impact Strength
|
ISO 179/1eU | ||
|
-30°C
|
330
|
kJ/m²
|
|
|
23°C
|
No Break
|
||
|
Notched Izod Impact
|
ASTM D256 | ||
|
-40°C
|
110
|
J/m
|
|
|
23°C
|
130
|
J/m
|
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