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Physical Properties | Metric | English | Comments | ||
---|---|---|---|---|---|
Density | 1.03 g/cc | 0.0372 lb/in³ | |||
1.21 g/cc | 0.0437 lb/in³ | ISO 1183 | |||
Viscosity | 169000 cP @Shear Rate 5000 1/s, Temperature 260 °C |
169000 cP @Shear Rate 5000 1/s, Temperature 500 °F |
ISO 11403-1 -2 | ||
226000 cP @Shear Rate 5000 1/s, Temperature 250 °C |
226000 cP @Shear Rate 5000 1/s, Temperature 482 °F |
ISO 11403-1 -2 | |||
312000 cP @Shear Rate 5000 1/s, Temperature 240 °C |
312000 cP @Shear Rate 5000 1/s, Temperature 464 °F |
ISO 11403-1 -2 | |||
608000 cP @Shear Rate 500 1/s, Temperature 260 °C |
608000 cP @Shear Rate 500 1/s, Temperature 500 °F |
ISO 11403-1 -2 | |||
816000 cP @Shear Rate 500 1/s, Temperature 250 °C |
816000 cP @Shear Rate 500 1/s, Temperature 482 °F |
ISO 11403-1 -2 | |||
1.13e+6 cP @Shear Rate 500 1/s, Temperature 240 °C |
1.13e+6 cP @Shear Rate 500 1/s, Temperature 464 °F |
ISO 11403-1 -2 | |||
Linear Mold Shrinkage, Flow | 0.015 cm/cm | 0.015 in/in | ISO 294-4 2577 | ||
Linear Mold Shrinkage, Transverse | 0.017 cm/cm | 0.017 in/in | ISO 294-4 2577 | ||
Mechanical Properties | Metric | English | Comments | ||
Tensile Stress | 0.590 MPa @Strain 0.160 %, Temperature 90.0 °C |
85.6 psi @Strain 0.160 %, Temperature 194 °F |
ISO 11403-1 -2 | ||
1.20 MPa @Strain 0.600 %, Temperature 150 °C |
174 psi @Strain 0.600 %, Temperature 302 °F |
ISO 11403-1 -2 | |||
1.69 MPa @Strain 0.150 %, Temperature 40.0 °C |
245 psi @Strain 0.150 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
3.29 MPa @Strain 2.81 %, Temperature 150 °C |
477 psi @Strain 2.81 %, Temperature 302 °F |
ISO 11403-1 -2 | |||
4.02 MPa @Strain 1.78 %, Temperature 90.0 °C |
583 psi @Strain 1.78 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
4.24 MPa @Strain 0.240 %, Temperature 23.0 °C |
615 psi @Strain 0.240 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
4.26 MPa @Strain 0.190 %, Temperature -20.0 °C |
618 psi @Strain 0.190 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
4.72 MPa @Strain 0.230 %, Temperature 0.000 °C |
685 psi @Strain 0.230 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
4.73 MPa @Strain 5.10 %, Temperature 150 °C |
686 psi @Strain 5.10 %, Temperature 302 °F |
ISO 11403-1 -2 | |||
5.81 MPa @Strain 7.64 %, Temperature 150 °C |
843 psi @Strain 7.64 %, Temperature 302 °F |
ISO 11403-1 -2 | |||
7.01 MPa @Strain 3.88 %, Temperature 90.0 °C |
1020 psi @Strain 3.88 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
8.09 MPa @Strain 20.0 %, Temperature 150 °C |
1170 psi @Strain 20.0 %, Temperature 302 °F |
ISO 11403-1 -2 | |||
9.18 MPa @Strain 6.32 %, Temperature 90.0 °C |
1330 psi @Strain 6.32 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
10.02 MPa @Strain 1.38 %, Temperature 40.0 °C |
1453 psi @Strain 1.38 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
15.74 MPa @Strain 3.66 %, Temperature 40.0 °C |
2283 psi @Strain 3.66 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
17.25 MPa @Strain 0.950 %, Temperature 0.000 °C |
2502 psi @Strain 0.950 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
19.01 MPa @Strain 7.19 %, Temperature 40.0 °C |
2757 psi @Strain 7.19 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
20.65 MPa @Strain 1.38 %, Temperature 23.0 °C |
2995 psi @Strain 1.38 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
21.31 MPa @Strain 1.13 %, Temperature -20.0 °C |
3091 psi @Strain 1.13 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
29.53 MPa @Strain 3.85 %, Temperature 23.0 °C |
4283 psi @Strain 3.85 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
32.79 MPa @Strain 2.14 %, Temperature 0.000 °C |
4756 psi @Strain 2.14 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
39.61 MPa @Strain 4.14 %, Temperature 0.000 °C |
5745 psi @Strain 4.14 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
40.28 MPa @Strain 2.57 %, Temperature -20.0 °C |
5842 psi @Strain 2.57 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
48.39 MPa @Strain 4.80 %, Temperature -20.0 °C |
7018 psi @Strain 4.80 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
Tensile Strength, Yield | 34.0 MPa | 4930 psi | ISO 527-1/-2 | ||
Elongation at Break | >= 50 % | >= 50 % | Nominal; ISO 527-1/-2 | ||
Elongation at Yield | 9.0 % | 9.0 % | ISO 527-1/-2 | ||
Tensile Modulus | 1.60 GPa | 232 ksi | ISO 527-1/-2 | ||
0.115 GPa @Temperature 150 °C |
16.7 ksi @Temperature 302 °F |
ISO 11403-1 -2 | |||
0.322 GPa @Temperature 60.0 °C |
46.7 ksi @Temperature 140 °F |
ISO 11403-1 -2 | |||
1.983 GPa @Temperature -20.0 °C |
287.6 ksi @Temperature -4.00 °F |
ISO 11403-1 -2 | |||
Flexural Strength | 50.0 MPa | 7250 psi | ISO 178 | ||
Flexural Modulus | 1.60 GPa | 232 ksi | ISO 178 | ||
Shear Strength | 0.09893 MPa @Shear Rate 50.0 1/s, Temperature 260 °C |
14.35 psi @Shear Rate 50.0 1/s, Temperature 500 °F |
ISO 11403-1 -2 | ||
0.13975 MPa @Shear Rate 50.0 1/s, Temperature 250 °C |
20.269 psi @Shear Rate 50.0 1/s, Temperature 482 °F |
ISO 11403-1 -2 | |||
0.2001 MPa @Shear Rate 50.0 1/s, Temperature 240 °C |
29.02 psi @Shear Rate 50.0 1/s, Temperature 464 °F |
ISO 11403-1 -2 | |||
0.3038 MPa @Shear Rate 500 1/s, Temperature 260 °C |
44.06 psi @Shear Rate 500 1/s, Temperature 500 °F |
ISO 11403-1 -2 | |||
0.4082 MPa @Shear Rate 500 1/s, Temperature 250 °C |
59.20 psi @Shear Rate 500 1/s, Temperature 482 °F |
ISO 11403-1 -2 | |||
0.5666 MPa @Shear Rate 500 1/s, Temperature 240 °C |
82.17 psi @Shear Rate 500 1/s, Temperature 464 °F |
ISO 11403-1 -2 | |||
0.84519 MPa @Shear Rate 5000 1/s, Temperature 260 °C |
122.58 psi @Shear Rate 5000 1/s, Temperature 500 °F |
ISO 11403-1 -2 | |||
1.129 MPa @Shear Rate 5000 1/s, Temperature 250 °C |
163.7 psi @Shear Rate 5000 1/s, Temperature 482 °F |
ISO 11403-1 -2 | |||
1.562 MPa @Shear Rate 5000 1/s, Temperature 240 °C |
226.5 psi @Shear Rate 5000 1/s, Temperature 464 °F |
ISO 11403-1 -2 | |||
Secant Modulus | 0.187 GPa @Strain 11.06 %, Temperature 40.0 °C |
27.1 ksi @Strain 11.06 %, Temperature 104 °F |
ISO 11403-1 -2 | ||
0.373 GPa @Strain 4.50 %, Temperature 40.0 °C |
54.1 ksi @Strain 4.50 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
0.726 GPa @Strain 1.38 %, Temperature 40.0 °C |
105 ksi @Strain 1.38 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
1.13 GPa @Strain 0.150 %, Temperature 40.0 °C |
163 ksi @Strain 0.150 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
1.36 GPa @Strain 2.68 %, Temperature 0.000 °C |
197 ksi @Strain 2.68 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
1.38 GPa @Strain 3.23 %, Temperature -20.0 °C |
200 ksi @Strain 3.23 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
1.50 GPa @Strain 1.38 %, Temperature 23.0 °C |
217 ksi @Strain 1.38 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
1.77 GPa @Strain 0.240 %, Temperature 23.0 °C |
256 ksi @Strain 0.240 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
1.82 GPa @Strain 0.950 %, Temperature 0.000 °C |
263 ksi @Strain 0.950 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
1.89 GPa @Strain 1.13 %, Temperature -20.0 °C |
274 ksi @Strain 1.13 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
2.05 GPa @Strain 0.230 %, Temperature 0.000 °C |
298 ksi @Strain 0.230 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
2.24 GPa @Strain 0.190 %, Temperature -20.0 °C |
325 ksi @Strain 0.190 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
Izod Impact, Notched (ISO) | 90.0 kJ/m² | 42.8 ft-lb/in² | ISO 180/1A | ||
Charpy Impact Unnotched | NB | NB | ISO 179/1eU | ||
NB @Temperature -30.0 °C |
NB @Temperature -22.0 °F |
ISO 179/1eU | |||
Charpy Impact, Notched | 12.0 J/cm² | 57.1 ft-lb/in² | ISO 179/1eA | ||
1.00 J/cm² @Temperature -30.0 °C |
4.76 ft-lb/in² @Temperature -22.0 °F |
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 Strength | 31.0 kV/mm | 787 kV/in | IEC 60243-1 | ||
Dissipation Factor | 0.0070 @Frequency 100 Hz |
0.0070 @Frequency 100 Hz |
IEC 60250 | ||
0.020 @Frequency 1.00e+6 Hz |
0.020 @Frequency 1.00e+6 Hz |
IEC 60250 | |||
Thermal Properties | Metric | English | Comments | ||
Specific Heat Capacity | 2.21 J/g-°C | 0.528 BTU/lb-°F | |||
Thermal Conductivity | 0.150 W/m-K | 1.04 BTU-in/hr-ft²-°F | of melt | ||
Melting Point | 220 °C | 428 °F | 10°C/min; ISO 11357-1/-3 | ||
Deflection Temperature at 0.46 MPa (66 psi) | 80.0 °C | 176 °F | ISO 75-1/-2 | ||
130 °C | 266 °F | annealed; ISO 75-1/-2 | |||
Deflection Temperature at 1.8 MPa (264 psi) | 50.0 °C | 122 °F | ISO 75-1/-2 | ||
Flame Spread | 40 mm/min @Thickness 1.00 mm |
1.6 in/min @Thickness 0.0394 in |
ISO 3795 (FMVSS 302) | ||
De |
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Additives | Release agent | ||||
Delivery form | Pellets | ||||
Part Marking Code | >PBT-F< | ISO 11469 | |||
Processing | Blow Moulding | ||||
Casting | |||||
Coatable | |||||
Film Extrusion | |||||
Other Extrusion | |||||
Profile Extrusion | |||||
Sheet Extrusion | |||||
Regional Availability | Asia Pacific | ||||
Europe | |||||
Global | |||||
Near East/Africa | |||||
North America | |||||
South and Central America | |||||
Resin Identification | PBT-F |
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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