| About |
|---|
| IROGRAN A95K 4640 is a caprolactone-based thermoplastic polyurethane. The material has been developed for injection molding applications requiring exceptional performance in terms of compression set, wear resistance and hydrolysis resistance over conventional polyester-based TPUs. IROGRAN A95K 4640 is part of the High Performance Injection Molding product range and offers a specially designed, flexible material suitable for the production of seals, wheels and rollers, coupling halfs and o-rings. PERFORMANCE FEATURES High wear resistance Low compression set Short cycle times Excellent hydrolysis resistance Resistant to high dynamic loads&& |
| Product Description | |
|---|---|
| Supplier | Huntsman |
| Generic | TPU-Capro |
| Material Status | Commercial: Active |
| Features | Good flexibility,Good Dimensional Stability,Hydrolysis stability,Quick molding cycle,Good wear resistance |
| Availabilitys | North America,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.19 | g/cm³ | ASTM D792 |
| Density | 1.19 | g/cm³ | DIN 53479 |
| Melt Volume Rate | |||
| 210℃，2.16 kg | 5.00 to 10.0 | cm³/10min | |
| Shrinkage rate | |||
| MD: Injection molding | 0.80 | % | ASTM D972 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | ASTM D2240 | ||
| Shaw A, injection molding | 95 | ASTM D2240 | |
| Shaw’s D, injection molding | 45 | ASTM D2240 | |
| Shore hardness | DIN 53505 | ||
| Shaw A, injection molding | 95 | DIN 53505 | |
| Shaw’s D, injection molding | 45 | DIN 53505 | |
| Wear amount | |||
| — | 29 | mm³ | ASTM D395 |
| — | 30 | mm³ | DIN 53516 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| fracture | 37.2 | MPa | ASTM D412 |
| fracture | 53.0 | MPa | DIN 53504 |
| 300% strain | 18.9 | MPa | ASTM D412 |
| 300% strain | 20.4 | MPa | DIN 53504 |
| 200% strain | 14.0 | MPa | ASTM D412 |
| 200% strain | 14.2 | MPa | DIN 53504 |
| 20% strain | 6.69 | MPa | ASTM D412 |
| 20% strain | 7.00 | MPa | DIN 53504 |
| 100% strain | 10.8 | MPa | ASTM D412 |
| 100% strain | 11.5 | MPa | DIN 53504 |
| 50% strain | 8.62 | MPa | ASTM D412 |
| 50% strain | 9.00 | MPa | DIN 53504 |
| Tensile strain | |||
| fracture | 570 | % | ASTM D412 |
| fracture | 530 | % | DIN 53504 |
| tear strength | 126 | kN/m | ASTM D624 |
| tear strength | 90 | kN/m | DIN 53515 |
| Compression deformation | ASTM D395 | ||
| 23℃，24 hr | 14 | % | ASTM D395 |
| 70℃，24 hr | 25 | % | ASTM D395 |
| 100℃，24 hr | 33 | % | ASTM D395 |
| 100℃，70 hr | 38 | % | ASTM D395 |
| Compression deformation | DIN 53517 | ||
| 23℃，24 hr | 14 | % | DIN 53517 |
| 70℃，24 hr | 23 | % | DIN 53517 |
| 100℃，24 hr | 25 | % | DIN 53517 |
| 100℃，70 hr | 38 | % | DIN 53517 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Vicat Softening Temp | 165 | ℃ | DIN 53372 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | |||
| — | 100 to 110 | °C | |
| Hot Air Dryer | 80 to 90 | °C | |
| Drying time | |||
| — | 3.0 | hr | |
| Hot Air Dryer | 3.0 | hr | |
| Barrel rear temperature | 205 | °C | |
| Barrel middle temperature | 205 | °C | |
| Barrel front temperature | 205 | °C | |
| Nozzle temperature | 200 | °C | |
| Mold temperature | 25 to 70 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Injection Molded |
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