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SABIC Innovative Plastics Valox® 357U PBT
Polybutylene Terephthalate (PBT), Unreinforced, Molded
SABIC Innovative Plastics (GE Plastics)
产品说明：
Unreinforced PBTP, UL94 V-0/5VA rated. Improved UV resistant version of VALOX 357. Nonblooming flame retardant.
This data was supplied by SABIC-IP for the Americas region.
物性信息：
| 比重 | 1.34 g/cc | 1.34 g/cc | ASTM D 792 |
| 吸水率 | 0.080 % @Time 86400 sec | 0.080 % @Time 24.0 hour | ASTM D 570 |
| 线性模具收缩，Flow | 0.cm/cm @Thickness 0.750 - 2.30 mm | 0.in/in @Thickness 0.0295 - 0.0906 in | SABIC Method |
| 0 - 4 cm/cm @Thickness 2.30 - 4.60 mm | 0 - 4 in/in @Thickness 0.0906 - 0.181 in | SABIC Method | |
| 线性成型收缩率,横向 | 0.cm/cm @Thickness 0.750 - 2.30 mm | 0.in/in @Thickness 0.0295 - 0.0906 in | SABIC Method |
| 2 - 6 cm/cm @Thickness 2.30 - 4.60 mm | 2 - 6 in/in @Thickness 0.0906 - 0.181 in | SABIC Method |
| 洛氏硬度（R 级） | 117 | 117 | ASTM D 785 |
| 抗张强度(断裂) | 48.0 MPa | 6960 psi | Type I, 50 mm/min; ASTM D 638 |
| 抗张强度(屈服) | 48.0 MPa | 6960 psi | Type I, 50 mm/min; ASTM D 638 |
| 伸长率 (断裂) | 110 % | 110 % | Type I, 50 mm/min; ASTM D 638 |
| 弯曲强度 | 82.0 MPa | 11900 psi | 1.3 mm/min, 50 mm span; ASTM D 790 |
| 82.0 MPa | 11900 psi | 1.3 mm/min, 50 mm span; ASTM D 790 | |
| 弯曲模量 | 2.06 GPa | 299 ksi | 1.3 mm/min, 50 mm span; ASTM D 790 |
| 悬壁梁缺口冲击强度 | 5.34 J/cm @Temperature 23.0 °C | 10.0 ft-lb/in @Temperature 73.4 °F | ASTM D 256 |
| 悬壁梁无缺口冲击强度 | 32.04 J/cm @Temperature 23.0 °C | 60.02 ft-lb/in @Temperature 73.4 °F | ASTM D 4812 |
| Gardner Impact | 43.0 J @Temperature 23.0 °C | 31.7 ft-lb @Temperature 73.4 °F | ASTM D 3029 |
| 43.0 J @Temperature 23.0 °C | 31.7 ft-lb @Temperature 73.4 °F | ASTM D 3029 |
| 体积电阻率 | >= 1.20e+16 ohm-cm | >= 1.20e+16 ohm-cm | ASTM D 257 |
| 介电常数 | 3.2 @Frequency 100 Hz | 3.2 @Frequency 100 Hz | ASTM D 150 |
| 3.2 @Frequency 1.00e+6 Hz | 3.2 @Frequency 1.00e+6 Hz | ASTM D 150 | |
| 介电强度 | 18.5 kV/mm @Thickness 3.20 mm | 470 kV/in @Thickness 0.126 in | in air; ASTM D 149 |
| 18.5 kV/mm @Thickness 3.20 mm | 470 kV/in @Thickness 0.126 in | in oil; ASTM D 149 | |
| 25.1 kV/mm @Thickness 1.60 mm | 638 kV/in @Thickness 0.0630 in | in oil; ASTM D 149 | |
| 耗散因数 | 0.0030 @Frequency 100 Hz | 0.0030 @Frequency 100 Hz | ASTM D 150 |
| 0.030 @Frequency 1.00e+6 Hz | 0.030 @Frequency 1.00e+6 Hz | ASTM D 150 | |
| 耐电弧性 | 60 - 120 sec | 60 - 120 sec | Tungsten, PLC code 6; ASTM D 495 |
| 相比耐漏电起痕指数(CTI) | V | V | PLC code 2; UL 746A |
| 热丝引燃 (HWI) | 30 - 60 sec | 30 - 60 sec | PLC code 2; UL 746A |
| 高电弧燃烧，HAI | 15 - 30 arcs | 15 - 30 arcs | surface, PLC code 3; UL 746A |
| 高压电弧跟踪率，HVTR | 80.0 - 150 mm/min | 315 - 5.91 in/min | PLC code 3; UL 746A |
| 线形热膨胀系数 - 流动 | 91.8 µm/m-°C @Temperature -40.0 - 40.0 °C | 51.0 µin/in-°F @Temperature -40.0 - 104 °F | ASTM E 831 |
| 124 µm/m-°C @Temperature 60.0 - 138 °C | 68.9 µin/in-°F @Temperature °F | ASTM E 831 | |
| 载荷下热变形温度(0.46 MPa) | 137 °C @Thickness 6.40 mm | 279 °F @Thickness 0.252 in | unannealed; ASTM D 648 |
| 载荷下热变形温度(1.8 MPa) | 98.0 °C @Thickness 6.40 mm | 208 °F @Thickness 0.252 in | unannealed; ASTM D 648 |
| UL RTI | 120 °C | 248 °F | UL 746B |
| UL RTI，机械冲击 | 120 °C | 248 °F | UL 746B |
| UL RTI，机械无冲击 | 140 °C | 284 °F | UL 746B |
| 可燃性(UL94) | HB @Thickness 0.450 mm | HB @Thickness 77 in | UL 94 |
| V-0 @Thickness 0.630 mm | V-0 @Thickness 0.0248 in | UL 94 | |
| 5VA @Thickness 2.99 mm | 5VA @Thickness 0.118 in | UL 94 | |
| 极限氧指数 | 30 % | 30 % | LOI; ASTM D 2863 |
| UV-light, water exposure/immersion | F1 | UL 746C |