| About |
|---|
| Durastar™ DS1900HF polymer is a high flow grade of Durastar™ . Durastar™ DS1900HF flow lengths are increased 20-40% relative to Durastar™ DS1000 as shown by spiral flow testing. Other outstanding features of Durastar™ are easily maintained such as excellent appearance and clarity, good physical properties, chemical resistance, and easy processing. This high flow product is especially suited for those applications utilizing thin-walled intricate tools. Under existing United States Food and Drug Administration (FDA) regulations, Durastar™ DS1900HF may be used in food contact articles which comply with the specifications and conditions of use in 21 CFR 177.1240.&& |
| Product Description | |
|---|---|
| Supplier | Eastman |
| Generic | 热塑性聚酯 |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Good Clarity,Good surface appearance,High impact resistance,High liquidity,Quick molding cycle,Food contact compliance,Solvent resistance |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.19 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD | 0.30 | % | ASTM D955 |
| Water absorption rate | |||
| 23℃，24hr | 0.15 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | ASTM D256 | ||
| -40℃ | 44 | J/m | ASTM D256 |
| 23℃ | 80 | J/m | ASTM D256 |
| Impact strength of cantilever beam notch | ASTM D4812 | ||
| -40℃ | No Break | ASTM D4812 | |
| 23℃ | No Break | ASTM D4812 | |
| Dart impact equipped with measuring instruments | ASTM D3763 | ||
| -40℃，Energy at Peak Load | 38.0 | J | ASTM D3763 |
| 23℃，Energy at Peak Load | 40.0 | J | ASTM D3763 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 66.0 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 73.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | 86.0 | ℃ | ASTM D1525 2 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Transmittance | |||
| total | 92.0 | % | ASTM D1003 |
| Haze | < 1.0 | % | ASTM D1003 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Fracture, 23 ℃ | 43.0 | MPa | ASTM D638 |
| Yield, 23 ℃ | 50.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 270 | % | ASTM D638 |
| Yield, 23 ℃ | 5.0 | % | ASTM D638 |
| Bending modulus | |||
| 23℃ | 1900 | MPa | ASTM D790 |
| bending strength | |||
| Yield, 23 ℃ | 68.0 | MPa | ASTM D790 |
| Rockwell hardness | |||
| R-level | 107 | ASTM D785 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 70 | °C | |
| Drying time | 4.0 | hr | |
| Processing (melt) temperature | 230 to 280 | °C | |
| Mold temperature | 15 to 30 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Loading 1 (10 N) |
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