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Material Comparison
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Product Name / Manufacturer / Model
Grade
Reference Price
| mechanical properties | Test Condition | Test Method | JILIN JOINATURE/770GL20 |
|---|---|---|---|
| Tensile strain | Break，23℃ | ISO 527 | 3.3 % |
| Shore hardness | 23℃ | ISO 868 | 85 D 级 |
| Bending modulus | 23℃ | ISO 178 | 8800 Mpa |
| tensile strength | Break，23℃ | ISO 527 | 155 Mpa |
| bending strength | Break，23℃ | ISO 178 | 245 Mpa |
| Physical properties | Test Condition | Test Method | JILIN JOINATURE/770GL20 |
| Water absorption rate | Equilibrium，23℃ | ISO 62-1 | 0.4 % |
| Shrinkage rate | MD | ISO 294-4 | 0.8 % |
| density | 结晶 | ISO 1183 | 1.43 g/cm³ |
| Water absorption rate | 23℃，24hr，3.2 mm厚拉伸棒 | ISO 62-1 | 0.05 % |
| Shrinkage rate | TD | ISO 294-4 | 0.3 % |
| melt mass-flow rate | 380℃，5.0kg | ISO 1133 | 6.5 g/10min |
| impact performance | Test Condition | Test Method | JILIN JOINATURE/770GL20 |
| Suspended wall beam without notch impact strength | ISO 180/U | 60 kJ/m² | |
| Impact strength of simply supported beam without notch | ISO 179/1U | 45 kJ/m² | |
| Charpy Notched Impact Strength | ISO 179-1eA | 7 kJ/m² | |
| Impact strength of cantilever beam gap | ISO 180/A | 7.5 kJ/m² | |
| Electrical performance | Test Condition | Test Method | JILIN JOINATURE/770GL20 |
| Compared to the anti leakage trace index | IEC 60112 | PLC 4 | |
| Dielectric strength | 2 mm | IEC 60243-1 | 24 KV/mm |
| Dielectric constant | 23 ℃, 1 kHz | IEC 60250 | 3.1 |
| Dissipation factor | 23℃，1 MHz | IEC 60250 | 0.005 |
| Volume resistivity | 23 ℃，1V | IEC 60093 | 10^16 ohms·cm |
| thermal performance | Test Condition | Test Method | JILIN JOINATURE/770GL20 |
| Linear coefficient of thermal expansion | 高于Tg沿着Flow | ISO 11359 | 22 ppm/K |
| Hot deformation temperature | 1.8 Mpa | ISO 75-f | 315 °C |
| Tg (initial) | ISO 11357 | 143 °C | |
| thermal conductivity | 23℃ | ISO 22007-4 | 0.3 W/m/K |
| Linear coefficient of thermal expansion | 低于Tg沿着Flow | ISO 11359 | 20 ppm/K |
| specific heat | 23℃ | DSC | 1.7 kJ/kg /℃ |
| Melting temperature | ISO 11357 | 343 °C |