| About |
|---|
| Texin STX resin is an opaque, high performance thermoplastic polyurethane which possesses the stiffness and modulus of standard engineering thermoplastics.&& |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | PUR |
| Material Status | Commercial: Active |
| Features | Low CLTE,High impact resistance,Low contractility,High Heat Resistance,Good wear resistance,Solvent resistance,Low moisture absorption |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.22 | g/cm³ | ASTM D792 |
| Density | 1.22 | g/cm³ | ISO 1183 |
| Shrinkage rate | |||
| MD：2.54 mm | 0.50 | % | ASTM D955 |
| MD：2.54 mm | 0.50 | % | ISO 2577 |
| Water absorption rate | |||
| 24hr | 0.23 | % | ASTM D570 |
| 23℃，24hr | 0.23 | % | ISO 62 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | ASTM D256 | ||
| -30℃，3.2mm | 190 | J/m | ASTM D256 |
| 23℃，3.2mm | 850 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | |||
| 23℃，3.2 mm | No Break | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 73.0 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 88.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | 105 | ℃ | ASTM D1525 3 |
| A50 | 105 | ℃ | ISO 306/A50 |
| Linear coefficient of thermal expansion | |||
| MD | 7.5E-5 | 1/℃ | ASTM D696 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 1930 | MPa | ASTM D638 |
| tensile strength | |||
| fracture | 47.0 | MPa | ASTM D638 |
| yield | 62.0 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 85 | % | ASTM D638 |
| yield | 7.3 | % | ASTM D638 |
| Bending modulus | ASTM D790 | ||
| — | 2000 | MPa | ASTM D790 |
| — | 83.0 | MPa | ASTM D790 |
| Bending modulus | ISO 178 | ||
| — | 2000 | MPa | ISO 178 |
| — | 83.0 | MPa | ISO 178 |
| bending strength | 93.0 | MPa | ASTM D790 |
| bending strength | 93.0 | MPa | ISO 178 |
| Bending strain – at Maximum Stress | |||
| — | 6.8 | % | ISO 178 |
| — | 6.8 | % | ASTM D790 |
| Rockwell hardness | ASTM D785 | ||
| M-level | 50 | ASTM D785 | |
| R-level | 110 | ASTM D785 | |
| Rockwell hardness | ISO 2039-2 | ||
| M-level | 50 | ISO 2039-2 | |
| R-level | 110 | ISO 2039-2 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature – hot air dryer | 104 to 121 | °C | |
| Drying time – hot air dryer | 4.0 | hr | |
| Recommended maximum moisture content | < 0.030 | % | |
| Proposed maximum recycled material ratio | 20 | % | |
| Barrel rear temperature | 235 to 246 | °C | |
| Barrel middle temperature | 238 to 249 | °C | |
| Barrel front temperature | 238 to 249 | °C | |
| Nozzle temperature | 243 to 254 | °C | |
| Processing (melt) temperature | 235 to 250 | °C | |
| Mold temperature | 43 to 66 | °C | |
| Injection pressure | 41.4 to 96.5 | MPa | |
| Injection speed | Moderate | ||
| Back pressure | < 5.52 | MPa | |
| Screw speed | 40 to 80 | rpm | |
| Cushion | < 3.18 | mm | |
| Drying temperature | 104 to 121 | °C | |
| Drying time | 4.0 | hr | |
| Barrel 1 zone temperature | 225 to 250 | °C | |
| Barrel 2 zone temperature | 225 to 240 | °C | |
| Barrel 3 zone temperature | 225 to 240 | °C | |
| Melt temperature | 230 | °C | |
| Nozzle temperature | 230 to 240 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. at 5% Strain |
| 3. Rate A (50°C/h), Loading 1 (10 N) |
| 【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials. |