杜邦POM Delrin 900P 特性及用途：良好的尺寸穩(wěn)定性，高剛度，高強度，抗疲勞，有優(yōu)異的加工性，高流動性，低粘度，表面經潤滑，適合較多模穴與較不易填充的薄壁制品，如拉鏈，影音等高產量的產品
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POM 900P 物性表：
| Physical |
Nominal Value |
Unit |
Test Method |
| Specific Gravity |
1.42 |
g/cm³ |
ASTM D792 |
| Density |
1.42 |
g/cm³ |
ISO 1183 |
| Melt Mass-Flow Rate (MFR) (190°C/1.05 kg) |
11 |
g/10 min |
ASTM D1238 |
| Melt Mass-Flow Rate (MFR) (190°C/2.16 kg) |
25 |
g/10 min |
ISO 1133 |
| Melt Volume-Flow Rate (MVR) (190°C/2.16 kg) |
21.0 |
cm³/10min |
ISO 1133 |
| Molding Shrinkage - Flow (24 hr, 3.20 mm) |
1.6 to 1.9 |
% |
ASTM D955 |
| Molding Shrinkage - Across Flow (24 hr, 3.20 mm) |
1.7 to 2.0 |
% |
ASTM D955 |
| Molding Shrinkage |
|
|
ISO 294-4 |
| Across Flow: 2.00 mm |
1.9 |
% |
|
| Flow: 2.00 mm |
1.9 |
% |
|
| Water Absorption (23°C, 24 hr) |
0.43 |
% |
ASTM D570 |
| Water Absorption (23°C, 24 hr) |
0.56 |
% |
ISO 62 |
| Water Absorption (Saturation, 23°C) |
1.4 |
% |
ASTM D570 |
| Water Absorption (Saturation, 23°C) |
1.4 |
% |
ISO 62 |
| Water Absorption (Equilibrium, 23°C, 50% RH) |
0.28 |
% |
ASTM D570 |
| Water Absorption (Equilibrium, 23°C, 50% RH) |
0.26 |
% |
ISO 62 |
| Mechanical |
Nominal Value |
Unit |
Test Method |
| Tensile Modulus 3 |
|
|
ASTM D638 |
| -40°C |
3930 |
MPa |
|
| 23°C |
3480 |
MPa |
|
| 100°C |
930 |
MPa |
|
| Tensile Modulus (23°C) |
3300 |
MPa |
ISO 527-2 |
| Tensile Strength 3 |
|
|
ASTM D638 |
| -40°C |
97.0 |
MPa |
|
| 23°C |
69.0 |
MPa |
|
| 100°C |
31.0 |
MPa |
|
| Tensile Strength 3 |
|
|
ASTM D638 |
| Yield, -40°C |
97.0 |
MPa |
|
| Yield, 23°C |
69.0 |
MPa |
|
| Yield, 100°C |
30.0 |
MPa |
|
| Tensile Stress (Yield, 23°C) |
71.0 |
MPa |
ISO 527-2 |
| Tensile Elongation 3 |
|
|
ASTM D638 |
| Yield, -40°C |
9.0 |
% |
|
| Yield, 23°C |
11 |
% |
|
| Yield, 100°C |
9.0 |
% |
|
| Tensile Strain (Yield, 23°C) |
12 |
% |
ISO 527-2 |
| Tensile Elongation 3 |
|
|
ASTM D638 |
| Break, -40°C |
12 |
% |
|
| Break, 23°C |
25 |
% |
|
| Break, 100°C |
> 250 |
% |
|
| Tensile Strain (Break, 23°C) |
28 |
% |
ISO 527-2/50 |
| Nominal Tensile Strain at Break (23°C) |
23 |
% |
ISO 527-2 |
| Tensile Creep Modulus (1 hr) |
2800 |
MPa |
ISO 899-1 |
| Tensile Creep Modulus (1000 hr) |
1500 |
MPa |
ISO 899-1 |
| Flexural Modulus |
|
|
ASTM D790 |
| -40°C |
4000 |
MPa |
|
| 23°C |
3240 |
MPa |
|
| 100°C |
830 |
MPa |
|
| Flexural Modulus (23°C) |
3000 |
MPa |
ISO 178 |
| Flexural Strength (5.0% Strain, 23°C) |
105 |
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 |
| -40°C |
8.0 |
kJ/m² |
|
| -30°C |
7.0 |
kJ/m² |
|
| 23°C |
8.0 |
kJ/m² |
|
| Charpy Unnotched Impact Strength |
|
|
ISO 179/1eU |
| -30°C |
200 |
kJ/m² |
|
| 23°C |
200 |
kJ/m² |
|
| Notched Izod Impact (23°C) |
69 |
J/m |
ASTM D256 |
| Notched Izod Impact Strength |
|
|
ISO 180/1A |
| -40°C |
8.0 |
kJ/m² |
|
| 23°C |
7.0 |
kJ/m² |
|
| Unnotched Izod Impact (23°C) |
1600 |
J/m |
ASTM D4812 |
| Hardness |
Nominal Value |
Unit |
Test Method |
| Rockwell Hardness (R-Scale) |
120 |
|
ASTM D785 |
| Rockwell Hardness |
|
|
ISO 2039-2 |
| M-Scale |
92 |
|
|
| R-Scale |
120 |
|
|
