| About |
|---|
| Type: Estane® MVT 75AT3 is a 75A aromatic Polyether-Based Thermoplastic Polyurethane (TPU) Features: High moisture vapor transmission with low water swell Excellent low temperature properties and elasticity Process: Primary Use: Blown and flat die/cast film extrusion. Secondary Use: Injection molding and cable jacketing.&& |
| Product Description | |
|---|---|
| Supplier | Lubrizol Advanced Materials |
| Generic | TPU-醚 |
| Material Status | Commercial: Active |
| Features | Aromatic,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 | 1.07 | g/cm³ | ASTM D792 |
| film | Nominal value | Unit | Test method |
|---|---|---|---|
| Water vapor permeability | 400 | g/m²/24 hr | ASTM E96 |
| Water vapor transmittance | |||
| Mocon，38℃ | 3000 | g/m²/24 hr | ASTM D6701 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile permanent deformation | |||
| 200% strain | 8 | % | ASTM D412 |
| tensile strength | ASTM D412 | ||
| Fracture, 0.762 mm | 34.5 | MPa | ASTM D412 |
| 100% strain, 0.762 mm | 4.10 | MPa | ASTM D412 |
| 300% strain, 0.762 mm | 6.20 | MPa | ASTM D412 |
| Tensile strain | |||
| Fracture, 0.762 mm | 700 | % | ASTM D412 |
| tear strength | |||
| 0.762 mm | 62.8 | kN/m | ASTM D624 |
| cracking | 20 | kN/m | ASTM D470 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume change | |||
| 23 ℃, 24 hours in water | 1.0 | % | ASTM D471 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Glass transition temperature | -68.0 | ℃ | DSC |
| Melting temperature | 136 | ℃ | DSC |
| Kofler Melting Temperature | 160 | ℃ | Internal Method |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore A, 5 seconds | 72 to 78 | ASTM D2240 | |
| Taber abraser | |||
| 1000 cycles, 1000 g, H-18 wheels | 20.0 | mg | ASTM D3389 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | 82 | °C | |
| Drying time | 2.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Barrel 1 zone temperature | 177 | °C | |
| Barrel 2 zone temperature | 182 | °C | |
| Barrel 3 zone temperature | 188 | °C | |
| Barrel 4 zone temperature | 193 | °C | |
| Connector temperature | 199 | °C | |
| Melt temperature | 196 | °C | |
| Nozzle temperature | 199 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Procedure B |
| 3. 23°C, 50% RH |
| 4. 90% RH |
| 5. Die C |
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