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Physical Properties | Metric | English | Comments | ||
---|---|---|---|---|---|
Density | 1.36 g/cc | 0.0491 lb/in³ | |||
1.54 g/cc | 0.0556 lb/in³ | ISO 1183 | |||
Water Absorption | 0.35 % @Thickness 2.00 mm |
0.35 % @Thickness 0.0787 in |
Sim. to ISO 62 | ||
Moisture Absorption | 0.150 % @Thickness 2.00 mm |
0.150 % @Thickness 0.0787 in |
Sim. to ISO 62 | ||
Linear Mold Shrinkage, Flow | 0.0030 cm/cm | 0.0030 in/in | ISO 294-4 2577 | ||
Linear Mold Shrinkage, Transverse | 0.011 cm/cm | 0.011 in/in | ISO 294-4 2577 | ||
Mechanical Properties | Metric | English | Comments | ||
Tensile Strength at Break | 150 MPa | 21800 psi | ISO 527-1/-2 | ||
Tensile Stress | 6.288 MPa @Strain 0.152378 %, Temperature 140 °C |
911.9 psi @Strain 0.152378 %, Temperature 284 °F |
ISO 11403-1 -2 | ||
8.422 MPa @Strain 0.240189 %, Temperature 160 °C |
1222 psi @Strain 0.240189 %, Temperature 320 °F |
ISO 11403-1 -2 | |||
15.15 MPa @Strain 0.386488 %, Temperature 140 °C |
2197 psi @Strain 0.386488 %, Temperature 284 °F |
ISO 11403-1 -2 | |||
15.45 MPa @Strain 0.143435 %, Temperature -20.0 °C |
2240 psi @Strain 0.143435 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
15.51 MPa @Strain 0.141174 %, Temperature -40.0 °C |
2249 psi @Strain 0.141174 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
16.86 MPa @Strain 0.210062 %, Temperature 40.0 °C |
2445 psi @Strain 0.210062 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
22.62 MPa @Strain 0.215233 %, Temperature 23.0 °C |
3281 psi @Strain 0.215233 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
23.28 MPa @Strain 0.231655 %, Temperature 0.000 °C |
3377 psi @Strain 0.231655 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
24.29 MPa @Strain 0.690557 %, Temperature 140 °C |
3522 psi @Strain 0.690557 %, Temperature 284 °F |
ISO 11403-1 -2 | |||
30.06 MPa @Strain 1.37862 %, Temperature 160 °C |
4360 psi @Strain 1.37862 %, Temperature 320 °F |
ISO 11403-1 -2 | |||
32.585 MPa @Strain 1.0723 %, Temperature 140 °C |
4726.1 psi @Strain 1.0723 %, Temperature 284 °F |
ISO 11403-1 -2 | |||
34.518 MPa @Strain 0.453157 %, Temperature 40.0 °C |
5006.4 psi @Strain 0.453157 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
36.42 MPa @Strain 2.02599 %, Temperature 160 °C |
5282 psi @Strain 2.02599 %, Temperature 320 °F |
ISO 11403-1 -2 | |||
39.23 MPa @Strain 2.53541 %, Temperature 160 °C |
5690 psi @Strain 2.53541 %, Temperature 320 °F |
ISO 11403-1 -2 | |||
41.66 MPa @Strain 0.412778 %, Temperature 23.0 °C |
6043 psi @Strain 0.412778 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
43.48 MPa @Strain 0.410528 %, Temperature -20.0 °C |
6307 psi @Strain 0.410528 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
45.36 MPa @Strain 0.453926 %, Temperature 0.000 °C |
6579 psi @Strain 0.453926 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
48.77 MPa @Strain 2.68009 %, Temperature 140 °C |
7073 psi @Strain 2.68009 %, Temperature 284 °F |
ISO 11403-1 -2 | |||
52.96 MPa @Strain 0.746328 %, Temperature 40.0 °C |
7681 psi @Strain 0.746328 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
62.36 MPa @Strain 0.591272 %, Temperature -40.0 °C |
9045 psi @Strain 0.591272 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
64.57 MPa @Strain 0.683319 %, Temperature 23.0 °C |
9365 psi @Strain 0.683319 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
69.31 MPa @Strain 0.710966 %, Temperature 0.000 °C |
10050 psi @Strain 0.710966 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
71.131 MPa @Strain 1.0997 %, Temperature 40.0 °C |
10317 psi @Strain 1.0997 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
72.09 MPa @Strain 0.700638 %, Temperature -20.0 °C |
10460 psi @Strain 0.700638 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
87.83 MPa @Strain 1.00996 %, Temperature 23.0 °C |
12740 psi @Strain 1.00996 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
91.14 MPa @Strain 0.87993 %, Temperature -40.0 °C |
13220 psi @Strain 0.87993 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
93.89 MPa @Strain 1.01022 %, Temperature 0.000 °C |
13620 psi @Strain 1.01022 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
100.4 MPa @Strain 1.02518 %, Temperature -20.0 °C |
14560 psi @Strain 1.02518 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
108.7 MPa @Strain 2.58789 %, Temperature 40.0 °C |
15770 psi @Strain 2.58789 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
121.5 MPa @Strain 1.21618 %, Temperature -40.0 °C |
17620 psi @Strain 1.21618 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
174.0 MPa @Strain 2.41732 %, Temperature -20.0 °C |
25240 psi @Strain 2.41732 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
Elongation at Break | 2.5 % | 2.5 % | ISO 527-1/-2 | ||
Tensile Modulus | 10.0 GPa | 1450 ksi | ISO 527-1/-2 | ||
Secant Modulus | 2.71 GPa @Strain 2.64148 %, Temperature 80.0 °C |
393 ksi @Strain 2.64148 %, Temperature 176 °F |
ISO 11403-1 -2 | ||
2.79 GPa @Strain 2.08034 %, Temperature 100 °C |
405 ksi @Strain 2.08034 %, Temperature 212 °F |
ISO 11403-1 -2 | |||
4.06 GPa @Strain 1.2473 %, Temperature 80.0 °C |
589 ksi @Strain 1.2473 %, Temperature 176 °F |
ISO 11403-1 -2 | |||
4.46 GPa @Strain 0.591579 %, Temperature 100 °C |
647 ksi @Strain 0.591579 %, Temperature 212 °F |
ISO 11403-1 -2 | |||
4.93 GPa @Strain 0.600598 %, Temperature 80.0 °C |
715 ksi @Strain 0.600598 %, Temperature 176 °F |
ISO 11403-1 -2 | |||
5.02 GPa @Strain 0.229987 %, Temperature 100 °C |
728 ksi @Strain 0.229987 %, Temperature 212 °F |
ISO 11403-1 -2 | |||
5.04 GPa @Strain 1.99815 %, Temperature 40.0 °C |
731 ksi @Strain 1.99815 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
5.46 GPa @Strain 0.294996 %, Temperature 80.0 °C |
793 ksi @Strain 0.294996 %, Temperature 176 °F |
ISO 11403-1 -2 | |||
6.01 GPa @Strain 1.36981 %, Temperature 40.0 °C |
872 ksi @Strain 1.36981 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
6.72 GPa @Strain 1.87532 %, Temperature 23.0 °C |
974 ksi @Strain 1.87532 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
6.8964 GPa @Strain 0.857481 %, Temperature 40.0 °C |
1000.3 ksi @Strain 0.857481 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
7.62 GPa @Strain 0.453157 %, Temperature 40.0 °C |
1100 ksi @Strain 0.453157 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
7.88 GPa @Strain 1.75077 %, Temperature 0.000 °C |
1140 ksi @Strain 1.75077 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
8.02 GPa @Strain 0.210062 %, Temperature 40.0 °C |
1160 ksi @Strain 0.210062 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
8.11 GPa @Strain 1.26111 %, Temperature 23.0 °C |
1180 ksi @Strain 1.26111 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
8.32 GPa @Strain 1.822 %, Temperature -20.0 °C |
1210 ksi @Strain 1.822 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
8.55 GPa @Strain 2.01539 %, Temperature -40.0 °C |
1240 ksi @Strain 2.01539 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
8.90 GPa @Strain 1.23431 %, Temperature 0.000 °C |
1290 ksi @Strain 1.23431 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
9.21 GPa @Strain 0.786074 %, Temperature 23.0 °C |
1340 ksi @Strain 0.786074 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
9.36 GPa @Strain 1.26922 %, Temperature -20.0 °C |
1360 ksi @Strain 1.26922 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
9.54 GPa @Strain 1.4648 %, Temperature -40.0 °C |
1380 ksi @Strain 1.4648 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
9.62 GPa @Strain 0.806055 %, Temperature 0.000 °C |
1400 ksi @Strain 0.806055 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
9.99 GPa @Strain 0.453926 %, Temperature 0.000 °C |
1450 ksi @Strain 0.453926 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
10.1 GPa @Strain 0.231655 %, Temperature 0.000 °C |
1460 ksi @Strain 0.231655 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
10.1 GPa @Strain 0.412778 %, Temperature 23.0 °C |
1460 ksi @Strain 0.412778 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
10.1 GPa @Strain 0.803431 %, Temperature -20.0 °C |
1470 ksi @Strain 0.803431 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
10.3 GPa @Strain 0.986916 %, Temperature -40.0 °C |
1490 ksi @Strain 0.986916 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
10.511 GPa @Strain 0.215233 %, Temperature 23.0 °C |
1524.5 ksi @Strain 0.215233 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
10.5 GPa @Strain 0.591272 %, Temperature -40.0 °C |
1530 ksi @Strain 0.591272 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
10.6 GPa @Strain 0.410528 %, Temperature -20.0 °C |
1540 ksi @Strain 0.410528 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
10.8 GPa @Strain 0.143435 %, Temperature -20.0 °C |
1560 ksi @Strain 0.143435 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
11.0 GPa @Strain 0.141174 %, Temperature -40.0 °C |
1590 ksi @Strain 0.141174 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
Charpy Impact Unnotched | 6.00 J/cm² | 28.6 ft-lb/in² | ISO 179/1eU | ||
3.00 J/cm² @Temperature -30.0 °C |
14.3 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eU | |||
Charpy Impact, Notched | 0.900 J/cm² | 4.28 ft-lb/in² | ISO 179/1eA | ||
Electrical Properties | Metric | English | Comments | ||
Volume Resistivity | >= 1.00e+15 ohm-cm | >= 1.00e+15 ohm-cm | IEC 60093 | ||
Surface Resistance | >= 1.00e+15 ohm | >= 1.00e+15 ohm | IEC 60093 | ||
Dielectric Constant | 3.8 @Frequency 1.00e+6 Hz |
3.8 @Frequency 1.00e+6 Hz |
IEC 60250 | ||
4.4 @Frequency 100 Hz |
4.4 @Frequency 100 Hz |
IEC 60250 | |||
Dielectric Strength | 31.0 kV/mm | 787 kV/in | IEC 60243-1 | ||
Dissipation Factor | 0.0025 @Frequency 100 Hz |
0.0025 @Frequency 100 Hz |
IEC 60250 | ||
0.018 @Frequency 1.00e+6 Hz |
0.018 @Frequency 1.00e+6 Hz |
IEC 60250 | |||
Comparative Tracking Index | 370 V | 370 V | IEC 60112 | ||
Thermal Properties | Metric | English | Comments | ||
CTE, linear, Parallel to Flow | 30.0 µm/m-°C | 16.7 µin/in-°F | ISO 11359-1/-2 | ||
CTE, linear, Transverse to Flow | 80.0 µm/m-°C | 44.4 µin/in-°F | ISO 11359-1/-2 | ||
Specific Heat Capacity | 1.73 J/g-°C | 0.413 BTU/lb-°F | |||
Thermal Conductivity | 0.280 W/m-K | 1.94 BTU-in/hr-ft²-°F | of melt | ||
Melting Point | 223 °C | 433 °F | 10°C/min; ISO 11357-1/-3 | ||
Deflection Temperature at 1.8 MPa (264 psi) | 210 °C | 410 °F | ISO 75-1/-2 | ||
Flammability, UL94 | HB @Thickness 1.50 mm |
HB @Thickness 0.0591 in |
IEC 60695-11-10 | ||
HB @Thickness 3.00 mm |
HB @Thickness 0.118 in |
IEC 60695-11-10 | |||
Oxygen Index | 19 % | 19 % | ISO 4589-1/-2 | ||
De |
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Additives | Release agent | ||||
Delivery form | Pellets | ||||
Part Marking Code | >PBT-GF30< | ISO 11469 | |||
Processing | Injection Moulding | ||||
Regional Availability | Asia Pacific | ||||
Europe | |||||
Global | |||||
Near East/Africa | |||||
North America | |||||
South and Central America | |||||
Resin Identification | PBT-GF30 |
聚对苯二甲酸丁二醇酯,英文名polybutylene terephthalate(简称PBT),属于聚酯系列,是由1.4-pbt丁二醇(1.4-Butylene glycol)与对苯二甲酸(TPA)或者对苯二甲酸酯(DMT)聚缩合而成,并经由混炼程序制成的乳白色半透明到不透明、结晶型热塑性聚酯树脂。与PET一起统称为热塑性聚酯,或饱和聚酯。
⒈优良的机械性能,机械强度高,耐疲劳性和尺寸稳定好。蠕变也小,这些性能在高温条件下也极少有变化。
⒉生产PBT所消耗的能量是工程塑料中最低的的,这对于世界范围内能源紧缺的情况下,具有十分重要的意义。
⒊耐热老化性优异,增强后的UL温度指数达到120~140℃,此外,户外长期老化性也很好。
⒋耐溶剂好,无应力开裂。
⒌PBT易于阻燃,可达UL94V-0级,由于与阻燃剂亲和性能好,所以容易开发反应型或添加型的阻燃品级。阻燃产品在电子电器工业中获得广泛应用。
⒍PBT遇水易分解,在高温、高湿环境下使用需谨慎。
⒎优良的电气性能,体积电阻率及介电强度高,耐电弧性优良,吸湿性极小,在潮湿及高温环境下,也能保持电性能稳定,是制造电子、电器零件的理想材料。
⒏易成型加工和二次加工,易用普通设备注塑或挤塑。由于结晶速度快,流动性好,模具温度也比其他工程材料要求低,在加工薄壁制件时仅需几秒钟,对大部件也只需40-60s即可。
PBT中文名称聚对苯二甲酸丁酯,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、耐油性极佳。
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。
特点:PBT为乳白色半透明到不透明、结晶型热塑性聚酯。具有高耐热性、韧性、耐疲劳性,自润滑、低摩擦系数,耐候性、吸水率低,仅为0.1%,在潮湿环境中仍保持各种物性(包括电性能),电绝缘性,但介电损耗大。耐热水、碱类、酸类、油类、但易受卤化烃侵蚀,耐水解性差,低温下可迅速结晶,成型性良好。PBT 结晶速度快,最适宜加工方法为注塑,其他方法还有挤出、吹塑、涂覆和各种二次加工成型,成型前需预干燥,水分含量要降至0.02%。PBT(增强、改性PBT)主要用于汽车、电子电器、工业机械和聚合物合金、共混工业。如作为汽车中的分配器、车体部件、点火器线圈骨架、绝缘盖、排气系统零部件、摩托车点火器、电子电器工业中如电视机的偏转线圈,显像管和电位器支架,伴音输出变压器骨架,适配器骨架,开关接插件、电风扇、电冰箱、洗衣机电机端盖、轴套.
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