VALOXPBT 430 加33玻纤 冲击改性 沙伯基础PBT 430
| Tensile Stress, break, 5 mm/min | 125 | MPa | ISO 527 | ||
|---|---|---|---|---|---|
| Tensile Strain, break, 5 mm/min | 3 | ISO 527 | |||
| Tensile Modulus, 1 mm/min | 9100 | MPa | ISO 527 | ||
| Flexural Stress, break, 2 mm/min | 185 | MPa | ISO 178 | ||
| Flexural Modulus, 2 mm/min | 8000 | MPa | ISO 178 | ||
| Hardness, H358/30 | 128 | MPa | ISO 2039-1 | ||
| Hardness, Rockwell R | 125 | - | ISO 2039-2 | ||
| IMPACT | |||||
| Izod Impact, unnotched 80104 +23°C | 55 | kJ/m² | ISO 180/1U | ||
| Izod Impact, unnotched 80104 -30°C | 55 | kJ/m² | ISO 180/1U | ||
| Izod Impact, notched 80104 +23°C | 12 | kJ/m² | ISO 180/1A | ||
| Izod Impact, notched 80104 -30°C | 9 | kJ/m² | ISO 180/1A | ||
| Izod Impact, notched 80104 -40°C | 10 | kJ/m² | ISO 180/1A | ||
| Charpy 23°C, V-notch Edgew 80104 sp=62mm | 11 | kJ/m² | ISO 179/1eA | ||
| Charpy -30°C, V-notch Edgew 80104 sp=62mm | 9 | kJ/m² | ISO 179/1eA | ||
| Charpy 23°C, Unnotch Edgew 80104 sp=62mm | 50 | kJ/m² | ISO 179/1eU | ||
| Charpy -30°C, Unnotch Edgew 80104 sp=62mm | 50 | kJ/m² | ISO 179/1eU | ||
| THERMAL | |||||
| CTE, 23°C to 80°C, flow | 2.E-05 | 1/°C | ISO 11359-2 | ||
| CTE, 23°C to 80°C, xflow | 1.2E-04 | 1/°C | ISO 11359-2 | ||
| Ball Pressure Test, 125°C +/- 2°C | PASSES | - | IEC 60695-10-2 | ||
| Vicat Softening Temp, Rate A/50 | 222 | °C | ISO 306 | ||
| Vicat Softening Temp, Rate B/50 | 215 | °C | ISO 306 | ||
| Vicat Softening Temp, Rate B/120 | 215 | °C | ISO 306 | ||
| HDT/Be, 0.45MPa Edgew 120104 sp=100mm | 225 | °C | ISO 75/Be | ||
| HDT/Ae, 1.8 MPa Edgew 120104 sp=100mm | 205 | °C | ISO 75/Ae | ||
| Relative Temp Index, Elec | 130 | °C | UL 746B | ||
| Relative Temp Index, Mech w/impact | 130 | °C | UL 746B | ||
| Relative Temp Index, Mech w/o impact | 140 | °C | UL 746B | ||
| PHYSICAL | |||||
| Mold Shrinkage on Tensile Bar, flow (2) (5) | 0.3-0.7 | SABIC method | |||
| Mold Shrinkage on Tensile Bar, xflow (2) (5) | 0.5-1 | SABIC method | |||
| Density | 1.55 | g/cm³ | ISO 1183 | ||
| Water Absorption, (23°C/sat) | 0.26 | ISO 62 | |||
| Moisture Absorption (23°C / 50 RH) | 0.05 | ISO 62 | |||
| Melt Volume Rate, MVR at 250°C/2.16 kg | 7 | cm³/10 min | ISO 1133 | ||
| ELECTRICAL | |||||
| Volume Resistivity | >1.E+15 | Ohm-cm | IEC 60093 | ||
| Surface Resistivity, ROA | >1.E+15 | Ohm | IEC 60093 | ||
| Dielectric Strength, in oil, 0.8 mm | 24 | kV/mm | IEC 60243-1 | ||
| Dielectric Strength, in oil, 1.6 mm | 20 | kV/mm | IEC 60243-1 | ||
| Dielectric Strength, in oil, 3.2 mm | 14 | kV/mm | IEC 60243-1 | ||
| Relative Permittivity, 1 MHz | 3.4 | - | IEC 60250 | ||
| Dissipation Factor, 50/60 Hz | 0.001 | - | IEC 60250 | ||
| Dissipation Factor, 1 MHz | 0.01 | - | IEC 60250 | ||
| Comparative Tracking Index | 300 | V | IEC 60112 | ||
| Relative Permittivity, 50/60 Hz | 3.6 | - | IEC 60250 | ||
| FLAME CHARACTERISTICS | |||||
| UL Recognized, 94HB Flame Class Rating (3) | 1.5 | mm | UL 94 | ||
| UL Recognized, 94HB Flame Class Rating 2nd value (3) | 3 | mm | UL 94 | ||
| Glow Wire Flammability Index 750°C, passes at | 1 | mm | IEC 60695-2-12 |
PBT简称饱和聚酯，系高结晶性热可塑性塑料。
优点：1、机械性质安定抗张强度与抗张模数和尼龙相似；2、摩擦系数小有自润性；
3、吸水率低；4、电气性质优良；5、尺寸安定性良好；6、耐药品性、耐油性。
用途：1、电子电器：无熔线断电器、电磁开关、驰返变压器、家电把手、连接器、外壳等；
2、汽车：车门把手、保险杆、分电盘盖、挡泥板、导线护壳、轮圈盖等；
3、工业零件：OA风扇、键盘、钓具卷线器、零件、灯罩等。
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