| About |
|---|
| 2103-70A is a thermoplastic polyurethane elastomer. Feature: High MVTR&& |
| Product Description | |
|---|---|
| Supplier | Lubrizol Advanced Materials |
| Generic | TPU-醚 |
| Material Status | Commercial: Active |
| Features | High Moisture Vapor Transmission |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.06 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 224℃，8.70kg | 11 | g/10min | ASTM D1238 |
| Shrinkage rate | ASTM D955 | ||
| MD | -0.30 to 0.80 | % | ASTM D955 |
| TD | 0.40 to 0.50 | % | ASTM D955 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | ASTM D412 | ||
| Fracture, 3.20 mm | 24.7 | MPa | ASTM D412 |
| 50% strain, 3.20 mm | 2.10 | MPa | ASTM D412 |
| 100% strain, 3.20 mm | 3.00 | MPa | ASTM D412 |
| 300% strain, 3.20 mm | 5.20 | MPa | ASTM D412 |
| Tensile strain | |||
| Fracture, 3.20 mm | 50 | % | ASTM D412 |
| tear strength | |||
| 3.20 mm | 66.5 | kN/m | ASTM D624 |
| Compression deformation | ASTM D395B | ||
| 25℃，22 hr | 25 | % | ASTM D395B |
| 70℃，22 hr | 75 | % | ASTM D395B |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Glass transition temperature | -69.0 | ℃ | DSC |
| Vicat Softening Temp | 75.6 | ℃ | ASTM D1525 3 |
| Linear coefficient of thermal expansion | |||
| MD | 1.8E-4 | 1/℃ | ASTM D696 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 72 | ASTM D2240 | |
| Taber abraser | |||
| 1000 g, H-22 wheel | 3.00 | mg | ASTM D1044 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | 82 to 93 | °C | |
| Processing (melt) temperature | 193 to 210 | °C | |
| Mold temperature | 16 to 60 | °C | |
| Drying temperature | 82 to 93 | °C | |
| Melt temperature | 188 to 204 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
| 3. Rate B (120°C/h), Loading 1 (10 N) |
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