PC塑胶原料通称聚碳酸酯,聚碳酸酯英文名称为Polycarbonate,简称PC,它是一类分子链中含有碳酸酯结构的高分子化合物及以它为基础而制得的各种材料的总称。按分子结构中所带酯基不同可以分为脂肪族、脂环族、芳香族和脂肪-芳香族等几大类。并以双酚A型聚碳酸脂为zui重要,分子量通常为3-10万。在无特别说明情况下,通常所说的聚碳酸脂都指双酚A型聚碳酸酯及其改性品种。由于其优良的机械性能,俗称防弹胶。为非结晶性热塑性塑料1、具高强度及弹性系数、高冲击强度、使用温度范围广。2、高度透明性及自由染色性。3、H.D.T.高。4、电气特性优。5、无味无臭对人体无害符合卫生安全。6、成形收缩率低、尺寸安定性良好 。电子电器:CD片、开关、家电外壳、信号筒、机。汽 车: 保险杆、分电盘、安全玻璃。工业零件:照相机本体、机具外壳、安全帽、潜水镜、安全镜片。耐热,抗冲击,阻燃,在普通使用温度内都有良好的机械性能。同性能接近聚甲基丙烯酸甲酯相比,聚碳酸酯的耐冲击性能好,折射率高,加工性 能好,不需要添加剂就具有UL94 V-0级阻燃性能。但是聚甲基丙烯酸甲酯相对聚碳酸酯价格较低,并可通过本体聚合的方法生产大型的器件。随着聚碳酸酯生产规模的日益扩大,聚碳酸酯同聚甲 基丙烯酸甲酯之间的价格差异在日益缩小。聚碳酸酯的耐磨性差。一些用于易磨损用途的聚碳酸酯器件需要对表面进行特殊处理。
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产品说明 | |
17.5 MFR, for small, intricate parts. Improved flame retardance. Internal mold release. | |
总体 | |
材料状态 | 已商用:当前有效 |
资料 1 | Technical Datasheet |
UL 黄卡 2 | E121562-101036781 |
搜索 UL 黄卡 | SABIC Innovative PlasticsLEXAN™ |
供货地区 | 北美洲 |
添加剂 | 脱模 |
性能特点 | 阻燃性能 |
加工方法 | 注射成型 |
物理性能 | 额定值 | 单位制 | 测试方法 |
比重 | ASTM D792 | ||
-- | 1.20 | g/cm3 | |
-- | 1.19 | g/cm3 | |
特定体积 | 0.835 | cm3/g | ASTM D792 |
熔流率 (300°C/1.2 kg) | 18 | g/10 min | ASTM D1238 |
收缩率 - 流动 (3.20 mm) | 0.50 到 0.70 | % | Internal Method |
吸水率 | ASTM D570 | ||
24 hr | 0.15 | % | |
平衡, 23°C | 0.35 | % | |
平衡, 100°C | 0.58 | % | |
室外适用性 | f2 | UL 746C | |
硬度 | 额定值 | 单位制 | 测试方法 |
洛氏硬度 | ASTM D785 | ||
M 计秤 | 70 | ||
R 计秤 | 118 |
机械性能 | 额定值 | 单位制 | 测试方法 |
抗张强度 3 | ASTM D638 | ||
屈服 | 62.1 | MPa | |
断裂 | 68.9 | MPa | |
伸长率 3 | ASTM D638 | ||
屈服 | 7.0 | % | |
断裂 | 130 | % | |
弯曲模量 4 (50.0 mm 跨距) | 2340 | MPa | ASTM D790 |
弯曲强度 4 (屈服, 50.0 mm 跨距) | 96.5 | MPa | ASTM D790 |
抗泰伯磨耗 (1000 Cycles, 1000 g, CS-17 转轮) | 10.0 | mg | ASTM D1044 |
冲击性能 | 额定值 | 单位制 | 测试方法 |
悬壁梁缺口冲击强度 (23°C) | 690 | J/m | ASTM D256 |
无缺口悬臂梁冲击 (23°C) | 3200 | J/m | ASTM D4812 |
装有测量仪表的落镖冲击 (23°C, Energy at Peak Load) | 62.1 | J | ASTM D3763 |
落锤冲击 (23°C) | 169 | J | ASTM D3029 |
拉伸冲击强度 5 | 546 | kJ/m2 | ASTM D1822 |
热性能 | 额定值 | 单位制 | 测试方法 |
热变形温度 | ASTM D648 | ||
0.45 MPa, 未退火, 6.40 mm | 138 | °C | |
1.8 MPa, 未退火, 6.40 mm | 129 | °C | |
维卡软化温度 | 154 | °C | ASTM D1525 6 |
线形膨胀系数 - 流动 (-40 到 95°C) | 0.000068 | cm/cm/°C | ASTM E831 |
比热 | 1260 | J/kg/°C | ASTM C351 |
导热系数 | 0.25 | W/m/K | ASTM C177 |
RTI Elec | 130 | °C | UL 746 |
RTI Imp | 130 | °C | UL 746 |
RTI Str | 130 | °C | UL 746 |
电气性能 | 额定值 | 单位制 | 测试方法 |
体积电阻率 | > 1.0E+17 | ohm·cm | ASTM D257 |
介电强度 (3.20 mm, in Air) | 15 | kV/mm | ASTM D149 |
介电常数 | ASTM D150 | ||
50 Hz | 3.17 | ||
60 Hz | 3.17 | ||
1 MHz | 2.96 | ||
耗散因数 | ASTM D150 | ||
50 Hz | 0.00090 | ||
60 Hz | 0.00090 | ||
1 MHz | 0.010 | ||
相比耐漏电起痕指数(CTI) | PLC 2 | UL 746 | |
高电弧燃烧指数(HAI) | PLC 1 | UL 746 | |
高电压电弧起痕速率 (HVTR) | PLC 2 | UL 746 | |
热丝引燃 (HWI) | PLC 2 | UL 746 | |
可燃性 | 额定值 | 单位制 | 测试方法 |
UL 阻燃等级 | UL 94 | ||
1.09 mm | V-2 | ||
5.99 mm | V-0 |
光学性能 | 额定值 | 单位制 | 测试方法 |
折射率 | 1.586 | ASTM D542 | |
透射率 (2540 μm) | 88.0 | % | ASTM D1003 |
雾度 (2540 μm) | 1.0 | % | ASTM D1003 |
注射 | 额定值 | 单位制 | |
干燥温度 | 121 | °C | |
干燥时间 | 3.0 到 4.0 | hr | |
干燥时间,zui大 | 48 | hr | |
建议的zui大水分含量 | 0.020 | % | |
建议注入量 | 40 到 60 | % | |
螺筒后部温度 | 260 到 282 | °C | |
螺筒中部温度 | 271 到 293 | °C | |
螺筒前部温度 | 282 到 304 | °C | |
射嘴温度 | 277 到 299 | °C | |
加工(熔体)温度 | 282 到 304 | °C | |
模具温度 | 71.1 到 93.3 | °C | |
背压 | 0.345 到 0.689 | MPa | |
螺杆转速 | 40 到 70 | rpm | |
排气孔深度 | 0.025 到 0.076 | mm |
备注 |
:何生
:86-
传真号码:86-
地址:广东 东莞市
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