VALOX™ 357
聚碳酸酯+PBT
SABIC
产品说明:
VALOX 357 is an unreinforced, impact modified flame retardant Polybutylene Terephthalate/Polycarbonate (PBT/PC) injection moldable grade. It has excellent chemical resistance and a UL94V0@0.63mm and 5VA@3.0mm flame rating. This is a good candidate for applications in the electrical industry including bobbins, switches, and enclosures.
黄卡号码：E45587-236811、E207780-100434202、E207780-643583
材料用途：Electric Vehicle (EV) Applications、Energy Storage、Material Handling、Recreational Vehicle Applications、Water Management、草坪和园林设备、电气/电子应用领域、电气元件、电器用具、电子显示器、工业应用、建筑应用领域、军事应用、汽车的发动机罩下的零件、室外应用、外科器械、液体处理、医疗/护理用品、医疗器械、照明应用、装饰部件
加工方法：注射成型
供货地区：亚太地区
| 物理性能 | 额定值 | 单位制 | 测试方法 |
| 密度/比重 | 1.34 | g/cm³ | ASTM D792,ISO 1183 |
| 特定体积 | 0.750 | cm³/g | ASTM D792 |
| 熔流率（熔体流动速率）(250℃/5.0 kg) | 9.6 | g/10 min | ASTM D1238 |
| 熔融体积流量（MVR）(250℃/5.0 kg) | 8.0 | cm³/10min | ISO 1133 |
| 收缩率 | 内部方法 | ||
| 垂直:0.750 到 2.30 mm | 0.90 到 1.3 | % | |
| 流动:0.750 到 2.30 mm | 0.80 到 1.1 | % | |
| 流动:3.20 mm | 1.0 到 1.4 | % | |
| 垂直:2.30 到 4.60 mm | 1.2 到 1.6 | % | |
| 流动:2.30 到 4.60 mm | 1.0 到 1.4 | % | |
| 吸水率 | |||
| 24 hr,23℃ | 0.080 | % | ASTM D570 |
| 24 hr,23℃,50% RH | 0.080 | % | ASTM D570 |
| 饱和,23℃ | 0.50 | % | ISO 62 |
| 平衡,23℃,50% RH | 0.15 | % | ISO 62 |
| 室外适用性 | f2 | UL 746C | |
| 硬度 | 额定值 | 单位制 | 测试方法 |
| 洛氏硬度(R 级) | 117 | ASTM D785 | |
| 机械性能 | 额定值 | 单位制 | 测试方法 |
| 拉伸模量1 | 2020 | MPa | ASTM D638 |
| 抗张强度2 | ASTM D638 | ||
| 屈服 | 48.0 | MPa | |
| 断裂 | 45.0 | MPa | |
| 伸长率2 | ASTM D638 | ||
| 屈服 | 5.0 | % | |
| 断裂 | 110 | % | |
| 弯曲模量3(50.0 mm 跨距) | 2060 | MPa | ASTM D790 |
| 弯曲强度3 | ASTM D790 | ||
| 屈服,50.0 mm 跨距 | 83.0 | MPa | |
| 断裂,50.0 mm 跨距 | 83.0 | MPa | |
| 冲击性能 | 额定值 | 单位制 | 测试方法 |
| 简支梁缺口冲击强度4(23℃) | 45 | kJ/m² | ISO 179/1eA |
| 简支梁无缺口冲击强度4(23℃) | 无断裂 | ISO 179/1eU | |
| 悬壁梁缺口冲击强度 | |||
| -30℃ | 150 | J/m | ASTM D256 |
| 23℃ | 530 | J/m | ASTM D256 |
| -30℃5 | 10 | kJ/m² | ISO 180/1A |
| 23℃5 | 45 | kJ/m² | ISO 180/1A |
| 无缺口悬臂梁冲击 | |||
| 23℃ | 无断裂 | ASTM D4812,ISO 180/1U | |
| -30℃5 | 无断裂 | ISO 180/1U | |
| 装有测量仪表的落镖冲击(23℃,Total Energy) | 35.0 | J | ASTM D3763 |
| 落锤冲击(23℃) | 43.0 | J | ASTM D3029 |
| 43.0 | |||
| 热性能 | 额定值 | 单位制 | 测试方法 |
| 载荷下热变形温度 | |||
| 0.45 MPa,未退火,6.40 mm | 138 | ℃ | ASTM D648 |
| 0.45 MPa,未退火,4.00 mm,64.0 mm 跨距5 | 125 | ℃ | ISO 75-2/Bf |
| 1.8 MPa,未退火,6.40 mm | 99.0 | ℃ | ASTM D648 |
| 1.8 MPa,未退火,4.00 mm,64.0 mm 跨距5 | 84.0 | ℃ | ISO 75-2/Af |
| 维卡软化温度 | |||
| -- | 134 | ℃ | ASTM D15256 |
| -- | 150 | ℃ | ISO 306/B120 |
| -- | 145 | ℃ | ISO 306/B50 |
| 线形热膨胀系数 | |||
| 流动:-40 到 40℃ | 9.2E-5 | cm/cm/℃ | ASTM E831 |
| 流动:60 到 138℃ | 1.2E-4 | cm/cm/℃ | ASTM E831 |
| 流动:-40 到 40℃ | 7.2E-5 | cm/cm/℃ | ISO 11359-2 |
| 垂直:-40 到 40℃ | 8.4E-5 | cm/cm/℃ | ASTM E831,ISO 11359-2 |
| RTI Elec | 120 | ℃ | UL 746B |
| RTI Imp | 120 | ℃ | UL 746B |
| RTI | 140 | ℃ | UL 746B |
| 电气性能 | 额定值 | 单位制 | 测试方法 |
| 体积电阻率 | > 1.2E+16 | ohms·cm | ASTM D257 |
| 介电强度 | ASTM D149 | ||
| 1.60 mm,in Oil | 25 | kV/mm | |
| 3.20 mm,in Air | 19 | kV/mm | |
| 3.20 mm,in Oil | 19 | kV/mm | |
| 介电常数 | ASTM D150 | ||
| 100 Hz | 3.20 | ||
| 1 MHz | 3.20 | ||
| 耗散因数 | ASTM D150 | ||
| 100 Hz | 3.0E-3 | ||
| 1 MHz | 0.030 | ||
| 耐电弧性7 | PLC 6 | ASTM D495 | |
| 相比耐漏电起痕指数(CTI) | PLC 2 | UL 746A | |
| 高电弧燃烧指数(HAI)8 | PLC 3 | UL 746A | |
| 高压电弧抗点燃指数 (HVAR) (PLC) | PLC 3 | UL 746A | |
| 热丝引燃 (HWI) | PLC 2 | UL 746A | |
| 可燃性 | 额定值 | 单位制 | 测试方法 |
| UL 阻燃等级 | UL 94 | ||
| 0.46 mm | HB | ||
| 0.63 mm | V-0 | ||
| 3.0 mm | 5VA | ||
| 极限氧指数 | 30 | % | ASTM D2863 |
| 注射 | 额定值 | 单位制 | |
| 干燥温度 | 120 | ℃ | |
| 干燥时间 | 3.0 到 4.0 | hr | |
| 建议的最大水分含量 | 0.020 | % | |
| 建议注射量 | 40 到 80 | % | |
| 料筒后部温度 | 240 到 255 | ℃ | |
| 料筒中部温度 | 245 到 260 | ℃ | |
| 料筒前部温度 | 250 到 265 | ℃ | |
| 射嘴温度 | 245 到 260 | ℃ | |
| 加工（熔体）温度 | 250 到 265 | ℃ | |
| 模具温度 | 50 到 75 | ℃ | |
| 背压 | 0.300 到 0.700 | MPa | |
| 螺杆转速 | 50 到 100 | rpm | |
| 排气孔深度 | 0.025 到 0.038 | mm | |
| 注射说明 Drying Time (Cumulative): 12 hr 备注 15.0 mm/min 2类型 1,50 mm/min 31.3 mm/min 480*10*4 sp=62mm 580*10*4 mm 6速率 A (50℃/h),载荷2 (50N) 7钨电极 8Surface |
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The VALOX family of thermoplastic polyester resins are semi-crystalline materials based on polybutylene terephthalate (PBT) and/or polyethylene terephthalate (PET) polymers. VALOX resin formulations include many performance-matched grades designed to provide application-specific property profiles. VALOX resins combine heat and chemical resistance, as well as outstanding electrical properties with exceptionally good processability and surface appearance.