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Physical Properties | Metric | English | Comments | ||
---|---|---|---|---|---|
Density | 1.22 g/cc | 0.0441 lb/in³ | |||
1.41 g/cc | 0.0509 lb/in³ | ISO 1183 | |||
Water Absorption | 0.42 % @Thickness 2.00 mm |
0.42 % @Thickness 0.0787 in |
Sim. to ISO 62 | ||
Moisture Absorption | 0.170 % @Thickness 2.00 mm |
0.170 % @Thickness 0.0787 in |
Sim. to ISO 62 | ||
Viscosity | 77750 cP @Shear Rate 5000 1/s, Temperature 260 °C |
77750 cP @Shear Rate 5000 1/s, Temperature 500 °F |
ISO 11403-1 -2 | ||
90080 cP @Shear Rate 5000 1/s, Temperature 250 °C |
90080 cP @Shear Rate 5000 1/s, Temperature 482 °F |
ISO 11403-1 -2 | |||
105400 cP @Shear Rate 5000 1/s, Temperature 240 °C |
105400 cP @Shear Rate 5000 1/s, Temperature 464 °F |
ISO 11403-1 -2 | |||
224600 cP @Shear Rate 500 1/s, Temperature 260 °C |
224600 cP @Shear Rate 500 1/s, Temperature 500 °F |
ISO 11403-1 -2 | |||
274400 cP @Shear Rate 500 1/s, Temperature 250 °C |
274400 cP @Shear Rate 500 1/s, Temperature 482 °F |
ISO 11403-1 -2 | |||
336400 cP @Shear Rate 500 1/s, Temperature 240 °C |
336400 cP @Shear Rate 500 1/s, Temperature 464 °F |
ISO 11403-1 -2 | |||
Viscosity Test | 105 cm³/g | 105 cm³/g | ISO 307 1157 1628 | ||
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 | 109 MPa | 15800 psi | ISO 527-1/-2 | ||
Tensile Stress | 14.41 MPa @Strain 0.560 %, Temperature 90.0 °C |
2090 psi @Strain 0.560 %, Temperature 194 °F |
ISO 11403-1 -2 | ||
18.07 MPa @Strain 0.320 %, Temperature 23.0 °C |
2621 psi @Strain 0.320 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
18.34 MPa @Strain 0.450 %, Temperature 40.0 °C |
2660 psi @Strain 0.450 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
41.62 MPa @Strain 2.02 %, Temperature 90.0 °C |
6036 psi @Strain 2.02 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
52.91 MPa @Strain 1.54 %, Temperature 40.0 °C |
7674 psi @Strain 1.54 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
54.86 MPa @Strain 3.57 %, Temperature 90.0 °C |
7957 psi @Strain 3.57 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
57.84 MPa @Strain 5.03 %, Temperature 90.0 °C |
8389 psi @Strain 5.03 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
67.19 MPa @Strain 1.30 %, Temperature 23.0 °C |
9745 psi @Strain 1.30 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
77.38 MPa @Strain 2.80 %, Temperature 40.0 °C |
11220 psi @Strain 2.80 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
83.47 MPa @Strain 3.88 %, Temperature 40.0 °C |
12110 psi @Strain 3.88 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
97.45 MPa @Strain 2.25 %, Temperature 23.0 °C |
14130 psi @Strain 2.25 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
108.8 MPa @Strain 3.23 %, Temperature 23.0 °C |
15780 psi @Strain 3.23 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
10.0 MPa @Strain 0.230 %, Time 3.60e+6 sec |
1450 psi @Strain 0.230 %, Time 1000 hour |
isochronous; ISO 11403-1 -2 | |||
10.0 MPa @Strain 0.260 %, Time 3.60e+7 sec |
1450 psi @Strain 0.260 %, Time 10000 hour |
isochronous; ISO 11403-1 -2 | |||
10.0 MPa @Strain 0.210 %, Time 360000 sec |
1450 psi @Strain 0.210 %, Time 100 hour |
isochronous; ISO 11403-1 -2 | |||
20.0 MPa @Strain 0.360 %, Time 3600 sec |
2900 psi @Strain 0.360 %, Time 1.00 hour |
isochronous; ISO 11403-1 -2 | |||
20.0 MPa @Strain 0.390 %, Time 36000 sec |
2900 psi @Strain 0.390 %, Time 10.0 hour |
isochronous; ISO 11403-1 -2 | |||
50.0 MPa @Strain 1.03 %, Time 36000 sec |
7250 psi @Strain 1.03 %, Time 10.0 hour |
isochronous; ISO 11403-1 -2 | |||
50.0 MPa @Strain 0.990 %, Time 3600 sec |
7250 psi @Strain 0.990 %, Time 1.00 hour |
isochronous; ISO 11403-1 -2 | |||
50.0 MPa @Strain 1.62 %, Time 3.60e+7 sec |
7250 psi @Strain 1.62 %, Time 10000 hour |
isochronous; ISO 11403-1 -2 | |||
50.0 MPa @Strain 1.34 %, Time 3.60e+6 sec |
7250 psi @Strain 1.34 %, Time 1000 hour |
isochronous; ISO 11403-1 -2 | |||
50.0 MPa @Strain 1.16 %, Time 360000 sec |
7250 psi @Strain 1.16 %, Time 100 hour |
isochronous; ISO 11403-1 -2 | |||
Elongation at Break | 3.5 % | 3.5 % | ISO 527-1/-2 | ||
Tensile Modulus | 5.80 GPa | 841 ksi | ISO 527-1/-2 | ||
Flexural Strength | 160 MPa | 23200 psi | ISO 178 | ||
Flexural Modulus | 5.20 GPa | 754 ksi | ISO 178 | ||
Shear Modulus | 0.328 GPa @Temperature 160 °C |
47.6 ksi @Temperature 320 °F |
Dynamic; ISO 11403-1 -2 | ||
0.393 GPa @Temperature 120 °C |
57.0 ksi @Temperature 248 °F |
Dynamic; ISO 11403-1 -2 | |||
0.568 GPa @Temperature 70.0 °C |
82.4 ksi @Temperature 158 °F |
Dynamic; ISO 11403-1 -2 | |||
1.42 GPa @Temperature 20.0 °C |
206 ksi @Temperature 68.0 °F |
Dynamic; ISO 11403-1 -2 | |||
1.56 GPa @Temperature -20.0 °C |
226 ksi @Temperature -4.00 °F |
Dynamic; ISO 11403-1 -2 | |||
1.62 GPa @Temperature -50.0 °C |
235 ksi @Temperature -58.0 °F |
Dynamic; ISO 11403-1 -2 | |||
Secant Modulus | 2.56 GPa @Strain 3.16 %, Temperature 40.0 °C |
371 ksi @Strain 3.16 %, Temperature 104 °F |
ISO 11403-1 -2 | ||
3.44 GPa @Strain 1.54 %, Temperature 40.0 °C |
498 ksi @Strain 1.54 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
3.98 GPa @Strain 2.59 %, Temperature 23.0 °C |
578 ksi @Strain 2.59 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
4.08 GPa @Strain 0.450 %, Temperature 40.0 °C |
591 ksi @Strain 0.450 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
5.17 GPa @Strain 1.30 %, Temperature 23.0 °C |
750 ksi @Strain 1.30 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
5.65 GPa @Strain 0.320 %, Temperature 23.0 °C |
819 ksi @Strain 0.320 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
Izod Impact, Notched (ISO) | 6.50 kJ/m² | 3.09 ft-lb/in² | ISO 180/1A | ||
6.00 kJ/m² @Temperature -30.0 °C |
2.86 ft-lb/in² @Temperature -22.0 °F |
ISO 180/1A | |||
6.00 kJ/m² @Temperature -40.0 °C |
2.86 ft-lb/in² @Temperature -40.0 °F |
ISO 180/1A | |||
Izod Impact, Unnotched (ISO) | 50.0 kJ/m² | 23.8 ft-lb/in² | ISO 180/1U | ||
30.0 kJ/m² @Temperature -40.0 °C |
14.3 ft-lb/in² @Temperature -40.0 °F |
ISO 180/1U | |||
50.0 kJ/m² @Temperature -30.0 °C |
23.8 ft-lb/in² @Temperature -22.0 °F |
ISO 180/1U | |||
Charpy Impact Unnotched | 4.50 J/cm² | 21.4 ft-lb/in² | ISO 179/1eU | ||
4.00 J/cm² @Temperature -40.0 °C |
19.0 ft-lb/in² @Temperature -40.0 °F |
ISO 179/1eU | |||
4.50 J/cm² @Temperature -30.0 °C |
21.4 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eU | |||
Charpy Impact, Notched | 0.700 J/cm² | 3.33 ft-lb/in² | ISO 179/1eA | ||
0.700 J/cm² @Temperature -30.0 °C |
3.33 ft-lb/in² @Temperature -22.0 °F |
ISO 179/1eA | |||
0.700 J/cm² @Temperature -40.0 °C |
3.33 ft-lb/in² @Temperature -40.0 °F |
ISO 179/1eA | |||
Tensile Creep Modulus, 1 hour | 2010 MPa @Pressure 40.0 MPa, Temperature 60.0 °C |
292000 psi @Pressure 5800 psi, Temperature 140 °F |
ISO 11403-1 -2 | ||
2160 MPa @Pressure 35.0 MPa, Temperature 60.0 °C |
313000 psi @Pressure 5080 psi, Temperature 140 °F |
ISO 11403-1 -2 | |||
2340 MPa @Pressure 30.0 MPa, Temperature 60.0 °C |
340000 psi @Pressure 4350 psi, Temperature 140 °F |
ISO 11403-1 -2 | |||
2540 MPa @Pressure 25.0 MPa, Temperature 60.0 °C |
369000 psi @Pressure 3630 psi, Temperature 140 °F |
ISO 11403-1 -2 | |||
2740 MPa @Pressure 20.0 MPa, Temperature 60.0 °C |
397000 psi @Pressure 2900 psi, Temperature 140 °F |
ISO 11403-1 -2 | |||
2910 MPa @Pressure 15.0 MPa, Temperature 60.0 °C |
422000 psi @Pressure 2180 psi, Temperature 140 °F |
ISO 11403-1 -2 | |||
3030.3 MPa @Pressure 10.0 MPa, Temperature 60.0 °C |
439510 psi @Pressure 1450 psi, Temperature 140 °F |
ISO 11403-1 -2 | |||
3110 MPa @Pressure 5.00 MPa, Temperature 60.0 °C |
451000 psi @Pressure 725 psi, Temperature 140 °F |
ISO 11403-1 -2 | |||
5050.5 MPa @Pressure 50.0 MPa, Temperature 23.0 °C |
732510 psi @Pressure 7250 psi, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
5330 MPa @Pressure 40.0 MPa, Temperature 23.0 °C |
774000 psi @Pressure 5800 psi, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
5450 MPa @Pressure 30.0 MPa, Temperature 23.0 °C |
791000 psi @Pressure 4350 psi, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
5560 MPa @Pressure 20.0 MPa, Temperature 23.0 °C |
806000 psi @Pressure 2900 psi, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
5637.5 MPa @Pressure 10.0 MPa, Temperature 23.0 °C |
817650 psi @Pressure 1450 psi, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
5300 MPa @Time 3600 sec |
769000 psi @Time 1.00 hour |
ISO 899-1 | |||
Tensile Creep Modulus, 1000 hours | 1370 MPa @Pressure 40.0 MPa, Temperature 60.0 °C |
199000 psi @Pressure 5800 psi, Temperature 140 °F |
ISO 11403-1 -2 | ||
1470 MPa @Pressure 35.0 MPa, Temperature 60.0 °C |
213000 psi @Pressure 5080 psi, Temperature 140 °F |
ISO 11403-1 -2 | |||
1587.3 MPa @Pressure 30.0 MPa, Temperature 60.0 °C |
230220 psi @Pressure 4350 psi, Temperature 140 °F |
ISO 11403-1 -2 | |||
1680 MPa @Pressure 25.0 MPa, Temperature 60.0 °C |
244000 psi @Pressure 3630 psi, Temperature 140 °F |
ISO 11403-1 -2 | |||
1750 MPa @Pressure 20.0 MPa, Temperature 60.0 °C |
254000 psi @Pressure 2900 psi, Temperature 140 °F |
ISO 11403-1 -2 | |||
1850 MPa @Pressure 15.0 MPa, Temperature 60.0 °C |
268000 psi @Pressure 2180 psi, Temperature 140 °F |
ISO 11403-1 -2 | |||
1960 MPa @Pressure 10.0 MPa, Temperature 60.0 °C |
284000 psi @Pressure 1450 psi, Temperature 140 °F |
ISO 11403-1 -2 | |||
2050 MPa @Pressure 5.00 MPa, Temperature 60.0 °C |
297000 psi @Pressure 725 psi, Temperature 140 °F |
ISO 11403-1 -2 | |||
3730 MPa @Pressure 50.0 MPa, Temperature 23.0 °C |
541000 psi @Pressure 7250 psi, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
4000 MPa @Pressure 40.0 MPa, Temperature 23.0 °C |
580000 psi @Pressure 5800 psi, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
4140 MPa @Pressure 30.0 MPa, Temperature 23.0 °C |
601000 psi @Pressure 4350 psi, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
4170 MPa @Pressure 20.0 MPa, Temperature 23.0 °C |
604000 psi @Pressure 2900 psi, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
4350 MPa @Pressure 10.0 MPa, Temperature 23.0 °C |
631000 psi @Pressure 1450 psi, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
4300 MPa @Time 3.60e+6 sec |
624000 psi @Time 1000 hour |
ISO 899-1 | |||
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 | ||
0.0080 @Frequency 1000 Hz |
0.0080 @Frequency 1000 Hz |
ASTM D150 | |||
0.020 @Frequency 1.00e+6 Hz |
0.020 @Frequency 1.00e+6 Hz |
IEC 60250 | |||
0.020 @Frequency 1.00e+6 Hz |
0.020 @Frequency 1.00e+6 Hz |
ASTM D150 | |||
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 | 110 µm/m-°C | 61.1 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 | 225 °C | 437 °F | 10°C/min; ISO 11357-1/-3 | ||
Deflection Temperature at 0.46 MPa (66 psi) | 220 °C | 428 °F | ISO 75-1/-2 | ||
Deflection Temperature at 1.8 MPa (264 psi) | 200 °C | 392 °F | ISO 75-1/-2 | ||
Vicat Softening Point | 205 °C | 401 °F | 50°C/h 50N; ISO 306 | ||
Glass Transition Temp, Tg | 55.0 °C | 131 °F | 10°C/min; ISO 11357-1/-2 | ||
Flammability, UL94 | HB @Thickness 1.50 mm |
HB @Thickness 0.0591 in |
IEC 60695-11-10 | ||
HB @Thickness 0.800 mm |
HB @Thickness 0.0315 in |
IEC 60695-11-10 | |||
Flame Spread | 30 mm/min @Thickness 1.00 mm |
1.2 in/min @Thickness 0.0394 in |
ISO 3795 (FMVSS 302) | ||
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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