| About |
|---|
| EpiSpire ® EP -340是一种耐高温、高性能、无定形砜聚合物。这种树脂代表了一种技术突破，为当今设计工程师所能获得的无定形热塑性塑料设定了新的热性能设标杆。 EpiSpire EP -340树脂的玻璃化转变温度达265 ℃（509 ° F）、热变形温度达255 ℃（491° F），玻璃化温度处于现今市场上完全热塑性透明树脂的最高水平。 除了具有出色的热性能外，该树脂还显示了芳香族砜聚合物所拥有的其它典型性能特征和优点，包括高强度、高刚度、宽温度范围内的介电性能、在热水和蒸汽环境中的抗水解性、优异的耐酸、耐碱性、固有的阻燃性。另外，该树脂还表现出加工过程中高度的尺寸控制能力、部件寿命期内出色的尺寸稳定性。 EP -340树脂非常适合通过注射成型、挤出成型和其它热塑性制造技术进行制造。凭借其出色的耐高温度性能和其它工程属性的独特结合， EP- 340树脂成为各种工程应用中良好的金属替代材料，以及热固性树脂替代材料。 在自然状态下，EpiSpire ®EP -340树脂呈透明的琥珀色。该树脂以本色颗粒和粉末形式供混合或溶液法加工用。 本色： EP-340 NT 粉末：EP-340P&& |
| Product Description | |
|---|---|
| Supplier | Solvay |
| Generic | PSU |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Alkali resistant,Good Dimensional Stability,Hydrolysis stability,Flame Characteristics,Acidproof,High Heat Resistance,Solvent resistance,Resistance to the steam,Amorphous |
| Availabilitys | North America,Asia Pacific,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.35 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 400℃，5.0kg | 10 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 9.0E-3 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 0.80 | % | ASTM D570 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 2500 | MPa | ASTM D638 |
| tensile strength | ASTM D638 | ||
| yield | 94.0 | MPa | |
| Yield, 235 ℃ | 45.0 | MPa | |
| Tensile strain | ASTM D638 | ||
| yield | 7.7 | % | |
| fracture | 15 | % | |
| Fracture, 235 ℃ | > 50 | % | |
| Bending modulus | 2600 | MPa | ASTM D790 |
| bending strength | 116 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 91 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | 无断裂 | ASTM D4812 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, annealed, 3.2 mm | 255 | ℃ | ASTM D648 |
| Glass transition temperature | 265 | ℃ | ASTM E1356 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Transmittance | |||
| 2500 µm | 45.0 | % | ASTM D1003 |
| Haze | |||
| 2500 µm | 15 | % | ASTM D1003 |
| Yellowness index | |||
| 2.50 mm | 80 | YI | ASTM D1925 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | 149 | °C | |
| Drying time | 4.0 | hr | |
| Processing (melt) temperature | 390 to 410 | °C | |
| Mold temperature | 180 to 210 | °C | |
| Screw compression ratio | 2.2:1.0 | ||
| Drying temperature | 177 | °C | |
| Drying time | 4.0 | hr | |
| Notes |
|---|
| 【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials. |