| About |
|---|
| PurSil™ 20 80A is a Thermoplastic Polyurethane Elastomer product. It can be processed by coating, compression molding, dip coating, extrusion, injection molding, or spraying and is available in North America. Applications of PurSil™ 20 80A include medical/healthcare and food contact applications. Characteristics include: Biocompatible Good Flexibility Hydrolytically Stable&& |
| Product Description | |
|---|---|
| Supplier | DSM |
| Generic | TPU |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Good flexibility,Hydrolysis stability,Biocompatible,Inoxidizability |
| Availabilitys | North America |
| Process Methods | Dipping coating method |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.11 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 224℃，1.20kg | 30 | g/10min | ASTM D1238 |
| Shrinkage rate | ASTM D955 | ||
| MD | 0.80 to 2.3 | % | ASTM D955 |
| MD | 1.1 | % | ASTM D955 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tear strength | 68.3 | kN/m | ASTM D624 |
| Compression deformation | |||
| 25℃，22 hr | 28 | % | ASTM D395 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Glass transition temperature | -27.0 | ℃ | ASTM D3418 |
| Vicat Softening Temp | 73.0 | ℃ | ASTM D1525 |
| Linear coefficient of thermal expansion | |||
| MD | 1.9E-4 | 1/℃ | ASTM E831 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Dielectric strength | 14 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 60 Hz | 6.70 | ASTM D150 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 80 | ASTM D2240 | |
| tensile strength | ASTM D1708 | ||
| limit | 32.2 | MPa | ASTM D1708 |
| 50% strain | 4.73 | MPa | ASTM D1708 |
| 100% strain | 6.18 | MPa | ASTM D1708 |
| 300% strain | 12.7 | MPa | ASTM D1708 |
| Tensile strain | |||
| fracture | 570 | % | ASTM D1708 |
| Bending modulus | |||
| 1% secant | 38.3 | MPa | ASTM D790 |
| bending strength | |||
| 5% strain | 1.52 | MPa | ASTM D790 |
| Taber abraser | |||
| 1000 cycles, 1000 g, H-18 wheels | 26.0 | mg | ASTM D1044 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Melt temperature | 182 to 204 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 4 in disk |
| 3. Flame bar |
| 4. Die C |
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