Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PEI Witcom PEI 3L1 Witcom Engineering Plastics B.V.
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Plastic Datasheets
| Impact resistance | Test Condition | Test Method | Witcom Engineering Plastics B.V./Witcom PEI 3L1 |
|---|---|---|---|
| Impact strength of cantilever beam gap | ISO 180/1A | 5.5 kJ/m² | |
| Suspended wall beam without notch impact strength | ISO 180/1U | 45 kJ/m² |
| Mechanical properties | Test Condition | Test Method | Witcom Engineering Plastics B.V./Witcom PEI 3L1 |
|---|---|---|---|
| Tensile strain | 断裂 | ISO 527-2 | >5.0 % |
| tensile strength | 屈服 | ISO 527-2 | <90.0 MPa |
| Flexural modulus | ISO 178 | 3000 MPa | |
| bending strength | ISO 178 | 110 MPa |
| Electrical performance | Test Condition | Test Method | Witcom Engineering Plastics B.V./Witcom PEI 3L1 |
|---|---|---|---|
| Compared to the Leakage Tracking Index (CTI) | IEC 60112 | PLC 4 | |
| Volume resistivity | ASTM D257 | 1E+16 ohms·cm | |
| Surface Resistivity | ASTM D257 | 1E+15 ohms |
| flammability | Test Condition | Test Method | Witcom Engineering Plastics B.V./Witcom PEI 3L1 |
|---|---|---|---|
| Burning wire flammability index | 1.6mm | IEC 60695-2-12 | 960 °C |
| UL flame retardant rating | 1.6mm | ISO 1210 | V-0 |
| physical property | Test Condition | Test Method | Witcom Engineering Plastics B.V./Witcom PEI 3L1 |
|---|---|---|---|
| Water absorption rate | 平衡,23°C,50%RH | ISO 62 | 0.60 % |
| 饱和,23°C | ISO 62 | 1.1 % | |
| density | ISO 1183 | 1.35 g/cm³ | |
| Shrinkage rate | MD：3.00mm | ISO 2577 | 0.50to0.70 % |
| Thermal performance | Test Condition | Test Method | Witcom Engineering Plastics B.V./Witcom PEI 3L1 |
|---|---|---|---|
| Heat distortion temperature | 1.8MPa,未退火，HDT | ISO 75-2/A | 190 °C |
| Linear coefficient of thermal expansion | MD | ISO 11359-2 | 6E-05 cm/cm/°C |
| RTI Imp | 3.0mm | UL 746 | 170 °C |
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