Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PEI UNITEM® PEI Nytef Plastics, Ltd.
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Plastic Datasheets
| Impact resistance | Test Condition | Test Method | Nytef Plastics, Ltd./UNITEM® PEI |
|---|---|---|---|
| Impact strength of cantilever beam gap | ASTM D256 | 53 J/m |
| hardness | Test Condition | Test Method | Nytef Plastics, Ltd./UNITEM® PEI |
|---|---|---|---|
| Rockwell hardness | M级 | ASTM D785 | 109 |
| R级 | ASTM D785 | 123 |
| Electrical performance | Test Condition | Test Method | Nytef Plastics, Ltd./UNITEM® PEI |
|---|---|---|---|
| Dissipation Factor | 60Hz | ASTM D150 | 1E-03 |
| dielectric constant | 60Hz | ASTM D150 | 3.20 |
| Volume resistivity | ASTM D257 | >1.0E+17 ohms·cm | |
| dielectric strength | ASTM D149 | 33 kV/mm | |
| dielectric constant | 1MHz | ASTM D150 | 3.15 |
| Mechanical properties | Test Condition | Test Method | Nytef Plastics, Ltd./UNITEM® PEI |
|---|---|---|---|
| elongation | 断裂 | ASTM D638 | 60to80 % |
| compressive strength | ASTM D695 | 152 MPa | |
| Tensile modulus | ASTM D638 | 3450 MPa | |
| Flexural modulus | ASTM D790 | 3310 MPa | |
| tensile strength | 屈服 | ASTM D638 | 105 MPa |
| bending strength | ASTM D790 | 152 MPa |
| flammability | Test Condition | Test Method | Nytef Plastics, Ltd./UNITEM® PEI |
|---|---|---|---|
| UL flame retardant rating | 3.2mm | UL 94 | V-0 |
| physical property | Test Condition | Test Method | Nytef Plastics, Ltd./UNITEM® PEI |
|---|---|---|---|
| Water absorption rate | 饱和 | ASTM D570 | 1.3 % |
| 24hr | ASTM D570 | 0.25 % | |
| density | ASTM D792 | 1.27 g/cm³ |
| Thermal performance | Test Condition | Test Method | Nytef Plastics, Ltd./UNITEM® PEI |
|---|---|---|---|
| Heat distortion temperature | 1.8MPa,未退火，HDT | ASTM D648 | 200 °C |
| vicat | ASTM D3418 | 219 °C | |
| Linear coefficient of thermal expansion | MD | ASTM D696 | 5.6E-05 cm/cm/°C |
| Continuous use temperature | UL 746 | 171 °C |
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