| About |
|---|
| Elastollan® C78A exhibits excellent abrasion resistance and toughness, good hydrolytic stability, good heat, oil, fuel and solvent resistance. It has excellent damping characteristics and outstanding resistance to tear propagation. Elastollan® C78A is rated UL-94 HB in vertical flame test for wall thickness of 0.9 mm. Elastollan® C78A is supplied uncolored in pellet form.&& |
| Product Description | |
|---|---|
| Supplier | BASF |
| Generic | TPU-酯 |
| Material Status | Commercial: Active |
| Features | Good flexibility,Hydrolysis stability,High Heat Resistance,Good tear strength,Good wear resistance,Solvent resistance,HB |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.18 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 190℃，21.6kg | 10 to 30 | g/10min | ASTM D1238 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 80 | ASTM D2240 | |
| Tensile modulus | |||
| injection molding | 19.3 | MPa | ASTM D412 |
| Bending modulus | |||
| injection molding | 21.4 | MPa | ASTM D790 |
| Taber abraser | 25.0 | mg | ASTM D1044 |
| Abrasion（DIN） | 15 | mm³ | DIN 53516 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 37.2 | MPa | ASTM D412 |
| 300% strain | 11.7 | MPa | ASTM D412 |
| 100% strain | 5.52 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 680 | % | ASTM D412 |
| tear strength | 94.6 | kN/m | ASTM D624 |
| Compression deformation | ASTM D395B | ||
| 23℃，22 hr | 25 | % | ASTM D395B |
| 70℃，22 hr | 35 | % | ASTM D395B |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Glass transition temperature | -41.0 | ℃ | Internal Method |
| Vicat Softening Temp | 79.0 | ℃ | ASTM D1525 |
| Softening temperature | |||
| DMA | 85 | ℃ | Internal Method |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 0.90 mm | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | 100 to 110 | °C | |
| Drying time | 2.0 to 3.0 | hr | |
| Recommended maximum moisture content | 0.030 | % | |
| Barrel rear temperature | 170 to 210 | °C | |
| Barrel middle temperature | 170 to 210 | °C | |
| Barrel front temperature | 170 to 210 | °C | |
| Nozzle temperature | 200 to 210 | °C | |
| Barrel 1 zone temperature | 160 to 200 | °C | |
| Barrel 3 zone temperature | 160 to 200 | °C | |
| Barrel 5 zone temperature | 160 to 200 | °C | |
| Connector temperature | 175 to 200 | °C | |
| Nozzle temperature | 175 to 205 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
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