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Physical Properties | Metric | English | Comments | ||
---|---|---|---|---|---|
Density | 1.22 g/cc | 0.0441 lb/in³ | |||
1.42 g/cc | 0.0513 lb/in³ | ISO 1183 | |||
Water Absorption | 0.40 % @Thickness 2.00 mm |
0.40 % @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 | ||
Viscosity | 54480 cP @Shear Rate 5000 1/s, Temperature 260 °C |
54480 cP @Shear Rate 5000 1/s, Temperature 500 °F |
ISO 11403-1 -2 | ||
65970 cP @Shear Rate 5000 1/s, Temperature 250 °C |
65970 cP @Shear Rate 5000 1/s, Temperature 482 °F |
ISO 11403-1 -2 | |||
81200 cP @Shear Rate 5000 1/s, Temperature 240 °C |
81200 cP @Shear Rate 5000 1/s, Temperature 464 °F |
ISO 11403-1 -2 | |||
152700 cP @Shear Rate 500 1/s, Temperature 260 °C |
152700 cP @Shear Rate 500 1/s, Temperature 500 °F |
ISO 11403-1 -2 | |||
187800 cP @Shear Rate 500 1/s, Temperature 250 °C |
187800 cP @Shear Rate 500 1/s, Temperature 482 °F |
ISO 11403-1 -2 | |||
234000 cP @Shear Rate 500 1/s, Temperature 240 °C |
234000 cP @Shear Rate 500 1/s, Temperature 464 °F |
ISO 11403-1 -2 | |||
Linear Mold Shrinkage, Flow | 0.0040 cm/cm | 0.0040 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 | 110 MPa | 16000 psi | ISO 527-1/-2 | ||
Tensile Stress | 9.443 MPa @Strain 0.546765 %, Temperature 160 °C |
1370 psi @Strain 0.546765 %, Temperature 320 °F |
ISO 11403-1 -2 | ||
10.44 MPa @Strain 0.543915 %, Temperature 140 °C |
1514 psi @Strain 0.543915 %, Temperature 284 °F |
ISO 11403-1 -2 | |||
13.88 MPa @Strain 0.298656 %, Temperature 40.0 °C |
2013 psi @Strain 0.298656 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
15.16 MPa @Strain 0.239814 %, Temperature -40.0 °C |
2198 psi @Strain 0.239814 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
15.89 MPa @Strain 0.268361 %, Temperature 23.0 °C |
2304 psi @Strain 0.268361 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
16.44 MPa @Strain 0.263749 %, Temperature -20.0 °C |
2384 psi @Strain 0.263749 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
19.57 MPa @Strain 1.3907 %, Temperature 160 °C |
2839 psi @Strain 1.3907 %, Temperature 320 °F |
ISO 11403-1 -2 | |||
20.30 MPa @Strain 0.332444 %, Temperature 0.000 °C |
2945 psi @Strain 0.332444 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
20.39 MPa @Strain 1.23103 %, Temperature 140 °C |
2957 psi @Strain 1.23103 %, Temperature 284 °F |
ISO 11403-1 -2 | |||
25.94 MPa @Strain 2.21207 %, Temperature 160 °C |
3762 psi @Strain 2.21207 %, Temperature 320 °F |
ISO 11403-1 -2 | |||
28.35 MPa @Strain 2.01089 %, Temperature 140 °C |
4111 psi @Strain 2.01089 %, Temperature 284 °F |
ISO 11403-1 -2 | |||
30.25 MPa @Strain 0.682024 %, Temperature 40.0 °C |
4387 psi @Strain 0.682024 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
30.59 MPa @Strain 3.09033 %, Temperature 160 °C |
4437 psi @Strain 3.09033 %, Temperature 320 °F |
ISO 11403-1 -2 | |||
32.37 MPa @Strain 0.525841 %, Temperature -20.0 °C |
4695 psi @Strain 0.525841 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
32.91 MPa @Strain 0.527955 %, Temperature -40.0 °C |
4774 psi @Strain 0.527955 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
34.51 MPa @Strain 2.90782 %, Temperature 140 °C |
5006 psi @Strain 2.90782 %, Temperature 284 °F |
ISO 11403-1 -2 | |||
34.73 MPa @Strain 0.597341 %, Temperature 23.0 °C |
5037 psi @Strain 0.597341 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
35.17 MPa @Strain 0.579891 %, Temperature 0.000 °C |
5101 psi @Strain 0.579891 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
46.94 MPa @Strain 1.13289 %, Temperature 40.0 °C |
6808 psi @Strain 1.13289 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
47.47 MPa @Strain 0.779352 %, Temperature -20.0 °C |
6886 psi @Strain 0.779352 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
49.06 MPa @Strain 0.795618 %, Temperature -40.0 °C |
7116 psi @Strain 0.795618 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
51.90 MPa @Strain 0.872047 %, Temperature 0.000 °C |
7527 psi @Strain 0.872047 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
54.34 MPa @Strain 0.971766 %, Temperature 23.0 °C |
7881 psi @Strain 0.971766 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
62.24 MPa @Strain 1.66228 %, Temperature 40.0 °C |
9027 psi @Strain 1.66228 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
63.03 MPa @Strain 1.05428 %, Temperature -20.0 °C |
9142 psi @Strain 1.05428 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
64.96 MPa @Strain 1.07013 %, Temperature -40.0 °C |
9422 psi @Strain 1.07013 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
69.141 MPa @Strain 1.20176 %, Temperature 0.000 °C |
10028 psi @Strain 1.20176 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
73.73 MPa @Strain 1.40132 %, Temperature 23.0 °C |
10690 psi @Strain 1.40132 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
107.5 MPa @Strain 2.00763 %, Temperature -20.0 °C |
15590 psi @Strain 2.00763 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
110.99 MPa @Strain 2.0059 %, Temperature -40.0 °C |
16098 psi @Strain 2.0059 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
Elongation at Break | 3.3 % | 3.3 % | ISO 527-1/-2 | ||
Tensile Modulus | 6.00 GPa | 870 ksi | ISO 527-1/-2 | ||
Secant Modulus | 1.23 GPa @Strain 4.12508 %, Temperature 100 °C |
179 ksi @Strain 4.12508 %, Temperature 212 °F |
ISO 11403-1 -2 | ||
1.2757 GPa @Strain 4.5039 %, Temperature 80.0 °C |
185.03 ksi @Strain 4.5039 %, Temperature 176 °F |
ISO 11403-1 -2 | |||
1.78 GPa @Strain 2.20401 %, Temperature 100 °C |
258 ksi @Strain 2.20401 %, Temperature 212 °F |
ISO 11403-1 -2 | |||
2.06 GPa @Strain 2.00926 %, Temperature 80.0 °C |
298 ksi @Strain 2.00926 %, Temperature 176 °F |
ISO 11403-1 -2 | |||
2.20 GPa @Strain 1.02372 %, Temperature 100 °C |
319 ksi @Strain 1.02372 %, Temperature 212 °F |
ISO 11403-1 -2 | |||
2.3886 GPa @Strain 1.11375 %, Temperature 80.0 °C |
346.44 ksi @Strain 1.11375 %, Temperature 176 °F |
ISO 11403-1 -2 | |||
2.45 GPa @Strain 0.411103 %, Temperature 100 °C |
355 ksi @Strain 0.411103 %, Temperature 212 °F |
ISO 11403-1 -2 | |||
2.68 GPa @Strain 0.437002 %, Temperature 80.0 °C |
388 ksi @Strain 0.437002 %, Temperature 176 °F |
ISO 11403-1 -2 | |||
2.7596 GPa @Strain 3.00056 %, Temperature 40.0 °C |
400.25 ksi @Strain 3.00056 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
3.43 GPa @Strain 2.06534 %, Temperature 40.0 °C |
497 ksi @Strain 2.06534 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
4.0227 GPa @Strain 1.30015 %, Temperature 40.0 °C |
583.45 ksi @Strain 1.30015 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
4.10 GPa @Strain 2.5045 %, Temperature 23.0 °C |
595 ksi @Strain 2.5045 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
4.44 GPa @Strain 0.682024 %, Temperature 40.0 °C |
643 ksi @Strain 0.682024 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
4.65 GPa @Strain 0.298656 %, Temperature 40.0 °C |
674 ksi @Strain 0.298656 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
4.97 GPa @Strain 1.72197 %, Temperature 23.0 °C |
721 ksi @Strain 1.72197 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
5.14 GPa @Strain 1.96921 %, Temperature 0.000 °C |
745 ksi @Strain 1.96921 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
5.49 GPa @Strain 1.11022 %, Temperature 23.0 °C |
796 ksi @Strain 1.11022 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
5.59 GPa @Strain 1.44095 %, Temperature 0.000 °C |
810 ksi @Strain 1.44095 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
5.61 GPa @Strain 1.66598 %, Temperature -20.0 °C |
814 ksi @Strain 1.66598 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
5.75 GPa @Strain 1.67592 %, Temperature -40.0 °C |
833 ksi @Strain 1.67592 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
5.81 GPa @Strain 0.597341 %, Temperature 23.0 °C |
843 ksi @Strain 0.597341 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
5.88 GPa @Strain 1.24902 %, Temperature -20.0 °C |
852 ksi @Strain 1.24902 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
5.89 GPa @Strain 0.97819 %, Temperature 0.000 °C |
855 ksi @Strain 0.97819 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
5.92 GPa @Strain 0.268361 %, Temperature 23.0 °C |
859 ksi @Strain 0.268361 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
5.98 GPa @Strain 1.26366 %, Temperature -40.0 °C |
867 ksi @Strain 1.26366 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
6.06 GPa @Strain 0.869061 %, Temperature -20.0 °C |
879 ksi @Strain 0.869061 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
6.07 GPa @Strain 0.579891 %, Temperature 0.000 °C |
880 ksi @Strain 0.579891 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
6.11 GPa @Strain 0.332444 %, Temperature 0.000 °C |
886 ksi @Strain 0.332444 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
6.14 GPa @Strain 0.884826 %, Temperature -40.0 °C |
891 ksi @Strain 0.884826 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
6.16 GPa @Strain 0.525841 %, Temperature -20.0 °C |
893 ksi @Strain 0.525841 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
6.23 GPa @Strain 0.263749 %, Temperature -20.0 °C |
904 ksi @Strain 0.263749 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
6.23 GPa @Strain 0.527955 %, Temperature -40.0 °C |
904 ksi @Strain 0.527955 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
6.32 GPa @Strain 0.239814 %, Temperature -40.0 °C |
917 ksi @Strain 0.239814 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
Charpy Impact Unnotched | 3.00 J/cm² | 14.3 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 | 0.550 J/cm² | 2.62 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 | 3.5 @Frequency 1.00e+6 Hz |
3.5 @Frequency 1.00e+6 Hz |
IEC 60250 | ||
4.1 @Frequency 100 Hz |
4.1 @Frequency 100 Hz |
IEC 60250 | |||
Dielectric Strength | 27.0 kV/mm | 686 kV/in | IEC 60243-1 | ||
Dissipation Factor | 0.0020 @Frequency 100 Hz |
0.0020 @Frequency 100 Hz |
IEC 60250 | ||
0.020 @Frequency 1.00e+6 Hz |
0.020 @Frequency 1.00e+6 Hz |
IEC 60250 | |||
Comparative Tracking Index | 350 V | 350 V | IEC 60112 | ||
Thermal Properties | Metric | English | Comments | ||
CTE, linear, Parallel to Flow | 50.0 µm/m-°C | 27.8 µin/in-°F | ISO 11359-1/-2 | ||
CTE, linear, Transverse to Flow | 95.0 µm/m-°C | 52.8 µin/in-°F | ISO 11359-1/-2 | ||
Specific Heat Capacity | 1.90 J/g-°C | 0.454 BTU/lb-°F | |||
Thermal Conductivity | 0.240 W/m-K | 1.67 BTU-in/hr-ft²-°F | of melt | ||
Melting Point | 224 °C | 435 °F | 10°C/min; ISO 11357-1/-3 | ||
Deflection Temperature at 1.8 MPa (264 psi) | 200 °C | 392 °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-GF15< | ISO 11469 | |||
Processing | Injection Moulding | ||||
Regional Availability | Asia Pacific | ||||
Europe | |||||
Global | |||||
Near East/Africa | |||||
North America | |||||
South and Central America | |||||
Resin Identification | PBT-GF15 | ||||
UL recognition | UL |
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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