Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PBT/PET T7331 COVESTRO GERMANY
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Automotive Applications、Automotive interior parts
Easy to form、High impact
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Plastic Datasheets
| Impact resistance | Test Condition | Test Method | COVESTRO GERMANY/T7331 |
|---|---|---|---|
| -30°C | ISO180/1U | 55 kJ/m² | |
| 23°C | ISO180/1U | 55 kJ/m² | |
| Impact strength of simply supported beam without notch | 23°C | ISO179/1eU | 65 kJ/m² |
| -30°C | ISO179/1eU | 55 kJ/m² |
| Supplementary Information | Test Condition | Test Method | COVESTRO GERMANY/T7331 |
|---|---|---|---|
| ISO Shortcut | ISO7792 | PBT+PET,GHLMR,09-100,GF30 | |
| ElectrolyticalCorrosion | IEC60426 | A1 |
| hardness | Test Condition | Test Method | COVESTRO GERMANY/T7331 |
|---|---|---|---|
| ISO2039-1 | 200 Mpa |
| film | Test Condition | Test Method | COVESTRO GERMANY/T7331 |
|---|---|---|---|
| FilmPunctureEnergy6 | ISO6603-2 | 2.10 J | |
| Membrane piercing force 6 | ISO6603-2 | 650 N |
| Electrical performance | Test Condition | Test Method | COVESTRO GERMANY/T7331 |
|---|---|---|---|
| 23°C,100Hz | IEC60250 | 4.00 | |
| 23°C,1MHz | IEC60250 | 3.80 | |
| CTI | 解决方案A | IEC60112 | 250 V |
| dielectric strength | 23°C,1.00mm | IEC60243-1 | 27 KV/mm |
| Mechanical properties | Test Condition | Test Method | COVESTRO GERMANY/T7331 |
|---|---|---|---|
| Tensile modulus | 23°C | ASTMD638 | 9980 Mpa |
| TensileCreepModule | 1hr | ISO899-1 | 10000 Mpa |
| elongation | 断裂,23°C | ASTMD638 | 2.5 % |
| Tensile stress | 断裂,23°C | ISO527-2/5 | 145 Mpa |
| Tensile modulus | 23°C | ISO527-2/1 | 10400 Mpa |
| tensile strength | 断裂,23°C | ASTMD638 | 123 Mpa |
| Tensile creep modulus | 1000hr | ISO899-1 | 8500 Mpa |
| Flexural modulus | 23°C | ISO178/A | 10300 Mpa |
| 23°C | ASTMD790 | 8550 Mpa | |
| Bending stress | 23°C | ISO178 | 230 Mpa |
| 23°C | 3.0 % | ||
| Tensile strain | 断裂,23°C | ISO527-2/5 | 2.8 % |
| bending strength | 23°C | ASTMD790 | 207 Mpa |
| flammability | Test Condition | Test Method | COVESTRO GERMANY/T7331 |
|---|---|---|---|
| Burning wire flammability index | 2.0mm | IEC60695-2-12 | 750 °C |
| UL flame retardant rating | 0.8mm | UL94 | HB |
| 1.6mm | UL94 | HB | |
| Extreme Oxygen Index 12 | ISO4589-2 | 21 % |
| physical property | Test Condition | Test Method | COVESTRO GERMANY/T7331 |
|---|---|---|---|
| Water absorption rate | 平衡,23°C,50%RH | ISO62 | 0.10 % |
| 饱和,23°C | ISO62 | 0.30 % | |
| Shrinkage rate | TD:270°C,2.00mm2 | ISO294-4 | 0.90 % |
| TD:120°C,2hr,2.00mm3 | ISO294-4 | 0.20 % | |
| MD:120°C,2hr,2.00mm3 | ISO294-4 | 0.10 % | |
| Melt volume flow rate | 260°C/5.0kg | ISO1133 | 30.0 cm3/10min |
| Apparent density | ISO60 | 0.80 g/cm³ | |
| Shrinkage rate | MD:270°C,2.00mm2 | ISO294-4 | 0.30 % |
| 降低的粘度 | ISO1628 | 91.0 ml/g |
| Thermal performance | Test Condition | Test Method | COVESTRO GERMANY/T7331 |
|---|---|---|---|
| TemperatureIndex11 | 拉伸冲击强度 | IEC60216 | 140 |
| 介电强度 | IEC60216 | 155 | |
| 1.8MPa,未退火 | ISO75-2/A | 200 °C | |
| Melting temperature 7 | ISO11357-3 | 225to250 °C | |
| RTI Imp | UL746 | 125 °C | |
| TD：23to55°C | ISO11359-2 | 6E-05 cm/cm/°C | |
| vicat | ISO306/B120 | 205 °C | |
| thermal conductivity | 23°C | ISO8302 | 0.27 W/m/K |
| 0.45MPa,未退火 | ISO75-2/B | 220 °C | |
| BallPressure Test | 220°C | IEC60695-10-2 | Pass |
| Half Interval | --9 | IEC60216 | 10.2 °C |
| RTI Str | UL746 | 140 °C | |
| Half Interval | --8 | IEC60216 | 13.5 °C |
| RTI Elec | UL746 | 140 °C | |
| Half Interval | --10 | IEC60216 | 10.2 °C |
| TemperatureIndex11 | 抗张强度 | IEC60216 | 155 |
| MD：23到55°C | ISO11359-2 | 3E-05 cm/cm/°C |
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