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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
| thermal performance | Test Condition | Test Method | Witcom Engineering Plastics B.V./Witcom PEI 3L1 |
|---|---|---|---|
| Hot deformation temperature | 1.8MPa,Unannealed | 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 |
| mechanical properties | Test Condition | Test Method | Witcom Engineering Plastics B.V./Witcom PEI 3L1 |
|---|---|---|---|
| Bending modulus | ISO 178 | 3000 MPa | |
| bending strength | ISO 178 | 110 MPa | |
| Tensile strain | Break | ISO 527-2 | >5.0 % |
| tensile strength | Yield | ISO 527-2 | <90.0 MPa |
| Electrical performance | Test Condition | Test Method | Witcom Engineering Plastics B.V./Witcom PEI 3L1 |
|---|---|---|---|
| Compared to the anti leakage trace index | IEC 60112 | PLC 4 | |
| Surface resistivity | ASTM D257 | 1E+15 ohms | |
| Volume resistivity | ASTM D257 | 1E+16 ohms·cm |
| Physical properties | Test Condition | Test Method | Witcom Engineering Plastics B.V./Witcom PEI 3L1 |
|---|---|---|---|
| density | ISO 1183 | 1.35 g/cm³ | |
| Shrinkage rate | MD：3.00mm | ISO 2577 | 0.50to0.70 % |
| Water absorption rate | Equilibrium,23°C,50%RH | ISO 62 | 0.60 % |
| Saturation,23°C | ISO 62 | 1.1 % |
| impact performance | 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 |
| 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 |