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DuraStar™ MN621
| Category: | Polyester, TP , Thermoplastic Polyester |
| Manufacturer: | Eastman Chemical Company |
| Trademark: | DuraStar™ |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | SXSz4m_DuraStar-MN621.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Message |
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| DuraStar™ Polymer MN621 has been tested for FDA/ISO 10993 and USP Class VI Biological Evaluation testing after Gamma and EtO sterilization. It contains a mold release to improve ejection. It processes easily and requires minimal drying time. It has superior toughness, high clarity and good chemical resistance. |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | |||
| -- | 1.20 | g/cm³ | ASTM D792 |
| 23°C | 1.19 | g/cm³ | ISO 1183 |
| Molding Shrinkage - Flow (3.20 mm) | 0.20 to 0.60 | % | ASTM D955 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Rockwell Hardness (R-Scale, 23°C) | 105 | ASTM D785 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength | |||
| Yield, 23°C | 46.0 | MPa | ASTM D638 |
| Yield, 23°C | 47.0 | MPa | ISO 527-2 |
| Break, 23°C | 53.0 | MPa | ASTM D638 |
| Break, 23°C | 49.0 | MPa | ISO 527-2 |
| Tensile Elongation | |||
| Yield, 23°C | 5.0 | % | ASTM D638 |
| Yield, 23°C | 4.0 | % | ISO 527-2 |
| Break, 23°C | 310 | % | ASTM D638 |
| Break, 23°C | 210 | % | ISO 527-2 |
| Flexural Modulus | |||
| 23°C | 1900 | MPa | ASTM D790 |
| 23°C | 1750 | MPa | ISO 178 |
| Flexural Stress | |||
| 23°C | 64.0 | MPa | ISO 178 |
| Yield, 23°C | 67.0 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact | |||
| -40°C | 60 | J/m | ASTM D256 |
| 23°C | 370 | J/m | ASTM D256 |
| -40°C | 6.3 | kJ/m² | ISO 180 |
| 23°C | 30 | kJ/m² | ISO 180 |
| Unnotched Izod Impact | ASTM D4812 | ||
| -40°C | No Break | ||
| 23°C | No Break | ||
| Instrumented Dart Impact | |||
| -40°C, Energy at Peak Load | 48.0 | J | ASTM D3763 |
| 23°C, Energy at Peak Load | 45.0 | J | ASTM D3763 |
| -40°C, Energy to Peak Force | 55.0 | J | ISO 6603-2 |
| 23°C, Energy to Peak Force | 71.0 | J | ISO 6603-2 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load | |||
| 0.45 MPa, Unannealed | 73.0 | °C | ASTM D648, ISO 75-2/B |
| 1.8 MPa, Unannealed | 65.0 | °C | ASTM D648 |
| 1.8 MPa, Unannealed | 66.0 | °C | ISO 75-2/A |
| Optical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Transmittance | ASTM D1003 | ||
| Total | 91.0 | % | |
| Regular | 89.0 | % | |
| Haze | 0.30 | % | ASTM D1003 |
| Injection | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature | 70.0 | °C | |
| Drying Time | 3.0 | hr | |
| Processing (Melt) Temp | 250 to 290 | °C | |
| Mold Temperature | 15.0 to 30.0 | °C |
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