| About |
|---|
| The Medalist MD-50100 Series of medical-grade TPEs can be used as an alternative to flexible PVC and silicone in face masks used in respiratory therapy. Medalist MD-50158 is a medium hardness, low density, RoHS compliant grade that can be sterilized and is suitable for injection molding.&& |
| Product Description | |
|---|---|
| Supplier | Teknor Apex |
| Generic | TPE |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Good flexibility,Smoothness,High liquidity,Good disinfection,Gamma radiation,ADCF,Halogen free,Good bond,Elastic,Low density,Solvent resistance,Ethylene oxide disinfection,Good coloring |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.883 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 12 | g/10min | ASTM D1238 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore A, 1 second, injection molding | 60 | ||
| Shore A, 5 seconds, injection molding | 58 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| fracture | 7.58 | MPa | ASTM D412 |
| 50% strain | 1.79 | MPa | |
| 100% strain | 2.10 | MPa | |
| 300% strain | 3.45 | MPa | |
| Tensile strain | |||
| fracture | 660 | % | ASTM D412 |
| tear strength | |||
| MD | 38.5 | kN/m | ASTM D624 |
| Compression deformation | |||
| 23℃，22 hr | 26 | % | ASTM D395B |
| Legal Statement | Nominal value | Unit | Test method |
|---|---|---|---|
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Barrel rear temperature | 160 to 177 | °C | |
| Barrel middle temperature | 182 to 204 | °C | |
| Barrel front temperature | 193 to 216 | °C | |
| Nozzle temperature | 182 to 227 | °C | |
| Processing (melt) temperature | 182 to 227 | °C | |
| Mold temperature | 27 to 49 | °C | |
| Injection speed | 中等偏快 | ||
| Back pressure | 0.172 to 0.689 | MPa | |
| Screw speed | 50 to 100 | rpm | |
| Cushion | 3.81 to 12.7 | mm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C, 20 in/min |
| 3. Type 1 |
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