| About |
|---|
| U series resins are polymer alloys that are improved in resistance to oils and chemicals, the shortcoming of amorphous resins. They are transparent and have a greater moisture-blocking property than other resins having similar structures. They are also suitable for blow molding.&& |
| Product Description | |
|---|---|
| Supplier | UNITIKA |
| Generic | 多芳基化合物 |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Good Dimensional Stability,High elastic,Good Hardness,High Heat Resistance,Amorphous |
| Availabilitys | North America,Asia Pacific |
| Process Methods | Thermo forming |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.21 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD：3.0 mm | 0.80 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr，3.18 mm | 0.26 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，3.2mm | 230 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 175 | ℃ | ASTM D648 |
| Linear coefficient of thermal expansion | |||
| MD | 6.1E-5 | 1/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 2.0E+16 | ohms·cm | ASTM D257 |
| Dielectric strength | 39 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 1 MHz | 3.00 | ASTM D150 | |
| Arc resistance | 130 | sec | ASTM D495 |
| Compared to the leakage tracing index | 220 | V | IEC 60112 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Transmittance | |||
| 3000 µm | 87.0 | % | ASTM D1003 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 125 | ASTM D785 | |
| tensile strength | 69.0 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 60 | % | ASTM D638 |
| Bending modulus | 2100 | MPa | ASTM D790 |
| bending strength | 84.0 | MPa | ASTM D790 |
| compressive strength | 84.0 | MPa | ASTM D695 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 to 140 | °C | |
| Drying time | 6.0 to 8.0 | hr | |
| Barrel rear temperature | 320 | °C | |
| Barrel middle temperature | 350 | °C | |
| Barrel front temperature | 360 | °C | |
| Nozzle temperature | 360 | °C | |
| Mold temperature | 130 to 140 | °C | |
| Injection pressure | 137 | MPa | |
| Back pressure | 0.981 | MPa | |
| Screw speed | 100 to 250 | rpm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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