| Category | Polymer , Thermoplastic , Elastomer, TPE , Polyurethane TPE , Polyurethane, TP , Thermoplastic Polyurethane, Elastomer, Polyester Grade | 
| Manufacturer | Huntsman Corporation | 
| Trade Name | IROGRAN® | 
| Port | Shanghai port,China | 
| Trade Terms | FOB, CFR, CIF | 
| Payment Terms | L/C, T/T, Western Union | 
| Download PDF | Huntsman IROGRAN® A 78 E 4723 Polyester-Based TPU-Injection Extrusion Grade.pdf  | 
| Price | EMAIL US sales@lookpolymers.com | 
| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Density | 1.19 g/cc | 0.0430 lb/in³ | ASTM D792 | 
| Linear Mold Shrinkage | 0.0080 cm/cm | 0.0080 in/in | ASTM D995 | 
| Melt Index of Compound | 50           g/10 min @Load 21.6 kg, Temperature 190 °C | 50           g/10 min @Load 47.6 lb, Temperature 374 °F | cm<sup>3</sup>/10 min | 
| Mechanical Properties | Metric | English | Comments | 
|---|---|---|---|
| Hardness, Shore A | 80 | 80 | ASTM D2240 | 
| Hardness, Shore D | 30 | 30 | ASTM D2240 | 
| Tensile Strength at Break | 45.0 MPa | 6530 psi | DIN 53504 | 
| Elongation at Break | 660 % | 660 % | ASTM D412 | 
| 100% Modulus | 0.00410 GPa | 0.595 ksi | DIN 53504 | 
| 300% Modulus | 0.0100 GPa | 1.45 ksi | DIN 53504 | 
| Rebound | 47 % | 47 % | Bayshore; ASTM D2632 | 
| Tear Strength | 89.4 kN/m | 510 pli | ASTM D624 | 
| Abrasion | 25 | 25 | [mm<sup>3</sup>]; ISO 4649 | 
| Compression Set | 25 % @Temperature 23.0 °C, Time 252000 sec | 25 % @Temperature 73.4 °F, Time 70.0 hour | ASTM D395 | 
| 38 % @Temperature 70.0 °C, Time 86400 sec | 38 % @Temperature 158 °F, Time 24.0 hour | ASTM D395 | 
| Thermal Properties | Metric | English | Comments | 
|---|---|---|---|
| Melting Point | 156 - 167 °C | 313 - 333 °F | Huntsman/TMA | 
| Optical Properties | Metric | English | Comments | 
|---|---|---|---|
| Transmission, Visible | 90 % | 90 % | transparent; thickness not reported | 
| Processing Properties | Metric | English | Comments | 
|---|---|---|---|
| Feed Temperature | 25.0 - 40.0 °C | 77.0 - 104 °F | Extrusion | 
| Front Barrel Temperature | 165 - 190 °C | 329 - 374 °F | Extrusion | 
| Nozzle Temperature | 170 - 200 °C | 338 - 392 °F | Extrusion | 
| 180 - 200 °C | 356 - 392 °F | Injection | |
| Adapter Temperature | 175 - 195 °C | 347 - 383 °F | Extrusion | 
| Die Temperature | 175 - 200 °C | 347 - 392 °F | Extrusion | 
| Melt Temperature | 170 - 195 °C | 338 - 383 °F | Injection | 
| Mold Temperature | 20.0 - 70.0 °C | 68.0 - 158 °F | Injection | 
| Descriptive Properties | Value | Comments | 
|---|---|---|
| Heating Zone | 175-195°C | Injection |