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Physical Properties | Metric | English | Comments | ||
---|---|---|---|---|---|
Density | 1.29 g/cc | 0.0466 lb/in³ | |||
1.50 g/cc | 0.0542 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 | ||
Viscosity | 68560 cP @Shear Rate 5000 1/s, Temperature 260 °C |
68560 cP @Shear Rate 5000 1/s, Temperature 500 °F |
ISO 11403-1 -2 | ||
79300 cP @Shear Rate 5000 1/s, Temperature 250 °C |
79300 cP @Shear Rate 5000 1/s, Temperature 482 °F |
ISO 11403-1 -2 | |||
92760 cP @Shear Rate 5000 1/s, Temperature 240 °C |
92760 cP @Shear Rate 5000 1/s, Temperature 464 °F |
ISO 11403-1 -2 | |||
221300 cP @Shear Rate 500 1/s, Temperature 260 °C |
221300 cP @Shear Rate 500 1/s, Temperature 500 °F |
ISO 11403-1 -2 | |||
260930 cP @Shear Rate 500 1/s, Temperature 250 °C |
260930 cP @Shear Rate 500 1/s, Temperature 482 °F |
ISO 11403-1 -2 | |||
310000 cP @Shear Rate 500 1/s, Temperature 240 °C |
310000 cP @Shear Rate 500 1/s, Temperature 464 °F |
ISO 11403-1 -2 | |||
Viscosity Test | 95 cm³/g | 95 cm³/g | ISO 307 1157 1628 | ||
Linear Mold Shrinkage, Flow | 0.0030 cm/cm | 0.0030 in/in | ISO 294-4 2577 | ||
Linear Mold Shrinkage, Transverse | 0.010 cm/cm | 0.010 in/in | ISO 294-4 2577 | ||
Mechanical Properties | Metric | English | Comments | ||
Tensile Strength at Break | 132 MPa | 19100 psi | ISO 527-1/-2 | ||
Tensile Stress | 11.63 MPa @Strain 0.370 %, Temperature 150 °C |
1687 psi @Strain 0.370 %, Temperature 302 °F |
ISO 11403-1 -2 | ||
18.68 MPa @Strain 0.400 %, Temperature 90.0 °C |
2709 psi @Strain 0.400 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
24.27 MPa @Strain 0.360 %, Temperature 40.0 °C |
3520 psi @Strain 0.360 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
28.72 MPa @Strain 1.24 %, Temperature 150 °C |
4165 psi @Strain 1.24 %, Temperature 302 °F |
ISO 11403-1 -2 | |||
35.72 MPa @Strain 0.440 %, Temperature 23.0 °C |
5181 psi @Strain 0.440 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
38.12 MPa @Strain 0.420 %, Temperature 0.000 °C |
5529 psi @Strain 0.420 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
38.53 MPa @Strain 2.20 %, Temperature 150 °C |
5588 psi @Strain 2.20 %, Temperature 302 °F |
ISO 11403-1 -2 | |||
41.17 MPa @Strain 1.10 %, Temperature 90.0 °C |
5971 psi @Strain 1.10 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
44.43 MPa @Strain 3.16 %, Temperature 150 °C |
6444 psi @Strain 3.16 %, Temperature 302 °F |
ISO 11403-1 -2 | |||
53.57 MPa @Strain 6.46 %, Temperature 150 °C |
7770 psi @Strain 6.46 %, Temperature 302 °F |
ISO 11403-1 -2 | |||
55.58 MPa @Strain 0.920 %, Temperature 40.0 °C |
8061 psi @Strain 0.920 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
55.85 MPa @Strain 1.87 %, Temperature 90.0 °C |
8100 psi @Strain 1.87 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
62.8 MPa @Strain 0.660 %, Temperature -20.0 °C |
9110 psi @Strain 0.660 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
64.86 MPa @Strain 2.72 %, Temperature 90.0 °C |
9407 psi @Strain 2.72 %, Temperature 194 °F |
ISO 11403-1 -2 | |||
68.1 MPa @Strain 0.880 %, Temperature 23.0 °C |
9880 psi @Strain 0.880 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
75.05 MPa @Strain 1.44 %, Temperature 40.0 °C |
10890 psi @Strain 1.44 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
84.36 MPa @Strain 0.960 %, Temperature 0.000 °C |
12240 psi @Strain 0.960 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
88.7 MPa @Strain 1.99 %, Temperature 40.0 °C |
12900 psi @Strain 1.99 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
89.21 MPa @Strain 1.26 %, Temperature 23.0 °C |
12940 psi @Strain 1.26 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
99.12 MPa @Strain 1.01 %, Temperature -40.0 °C |
14380 psi @Strain 1.01 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
107.95 MPa @Strain 1.72 %, Temperature 23.0 °C |
15657 psi @Strain 1.72 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
109.81 MPa @Strain 1.33 %, Temperature 0.000 °C |
15927 psi @Strain 1.33 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
111.73 MPa @Strain 1.23 %, Temperature -20.0 °C |
16205 psi @Strain 1.23 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
132.69 MPa @Strain 1.77 %, Temperature 0.000 °C |
19245 psi @Strain 1.77 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
140.62 MPa @Strain 1.49 %, Temperature -40.0 °C |
20395 psi @Strain 1.49 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
147.79 MPa @Strain 1.77 %, Temperature -20.0 °C |
21435 psi @Strain 1.77 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
169.84 MPa @Strain 2.23 %, Temperature -20.0 °C |
24633 psi @Strain 2.23 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
170.93 MPa @Strain 1.91 %, Temperature -40.0 °C |
24791 psi @Strain 1.91 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
197.31 MPa @Strain 2.38 %, Temperature -40.0 °C |
28617 psi @Strain 2.38 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
Elongation at Break | 3.5 % | 3.5 % | ISO 527-1/-2 | ||
Tensile Modulus | 8.50 GPa | 1230 ksi | ISO 527-1/-2 | ||
3.672 GPa @Temperature 120 °C |
532.6 ksi @Temperature 248 °F |
ISO 11403-1 -2 | |||
6.643 GPa @Temperature 40.0 °C |
963.5 ksi @Temperature 104 °F |
ISO 11403-1 -2 | |||
9.965 GPa @Temperature -40.0 °C |
1445 ksi @Temperature -40.0 °F |
ISO 11403-1 -2 | |||
Flexural Strength | 200 MPa | 29000 psi | ISO 178 | ||
Flexural Modulus | 7.70 GPa | 1120 ksi | ISO 178 | ||
Shear Modulus | 0.7794 GPa @Temperature 100 °C |
113.0 ksi @Temperature 212 °F |
Dynamic; ISO 11403-1 -2 | ||
1.256 GPa @Temperature 60.0 °C |
182.2 ksi @Temperature 140 °F |
Dynamic; ISO 11403-1 -2 | |||
1.966 GPa @Temperature 10.0 °C |
285.1 ksi @Temperature 50.0 °F |
Dynamic; ISO 11403-1 -2 | |||
2.137 GPa @Temperature -40.0 °C |
310.0 ksi @Temperature -40.0 °F |
Dynamic; ISO 11403-1 -2 | |||
2.331 GPa @Temperature -70.0 °C |
338.1 ksi @Temperature -94.0 °F |
Dynamic; ISO 11403-1 -2 | |||
2.501 GPa @Temperature -100 °C |
362.7 ksi @Temperature -148 °F |
Dynamic; ISO 11403-1 -2 | |||
Secant Modulus | 2.95 GPa @Strain 3.47 %, Temperature 40.0 °C |
428 ksi @Strain 3.47 %, Temperature 104 °F |
ISO 11403-1 -2 | ||
3.97 GPa @Strain 2.41 %, Temperature 40.0 °C |
575 ksi @Strain 2.41 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
4.95 GPa @Strain 1.62 %, Temperature 40.0 °C |
717 ksi @Strain 1.62 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
5.47 GPa @Strain 2.90 %, Temperature 0.000 °C |
794 ksi @Strain 2.90 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
5.71 GPa @Strain 2.05 %, Temperature 23.0 °C |
828 ksi @Strain 2.05 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
6.0413 GPa @Strain 0.920 %, Temperature 40.0 °C |
876.23 ksi @Strain 0.920 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
6.74 GPa @Strain 0.360 %, Temperature 40.0 °C |
978 ksi @Strain 0.360 %, Temperature 104 °F |
ISO 11403-1 -2 | |||
6.8305 GPa @Strain 1.41 %, Temperature 23.0 °C |
990.70 ksi @Strain 1.41 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
6.95 GPa @Strain 2.08 %, Temperature 0.000 °C |
1010 ksi @Strain 2.08 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
7.00 GPa @Strain 2.60 %, Temperature -20.0 °C |
1020 ksi @Strain 2.60 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
7.65 GPa @Strain 2.85 %, Temperature -40.0 °C |
1110 ksi @Strain 2.85 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
7.74 GPa @Strain 0.880 %, Temperature 23.0 °C |
1120 ksi @Strain 0.880 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
8.06 GPa @Strain 1.46 %, Temperature 0.000 °C |
1170 ksi @Strain 1.46 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
8.0974 GPa @Strain 1.92 %, Temperature -20.0 °C |
1174.4 ksi @Strain 1.92 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
8.12 GPa @Strain 0.440 %, Temperature 23.0 °C |
1180 ksi @Strain 0.440 %, Temperature 73.4 °F |
ISO 11403-1 -2 | |||
8.70 GPa @Strain 2.07 %, Temperature -40.0 °C |
1260 ksi @Strain 2.07 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
8.7875 GPa @Strain 0.960 %, Temperature 0.000 °C |
1274.5 ksi @Strain 0.960 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
9.08 GPa @Strain 0.420 %, Temperature 0.000 °C |
1320 ksi @Strain 0.420 %, Temperature 32.0 °F |
ISO 11403-1 -2 | |||
9.08 GPa @Strain 1.23 %, Temperature -20.0 °C |
1320 ksi @Strain 1.23 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
9.44 GPa @Strain 1.49 %, Temperature -40.0 °C |
1370 ksi @Strain 1.49 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
9.52 GPa @Strain 0.660 %, Temperature -20.0 °C |
1380 ksi @Strain 0.660 %, Temperature -4.00 °F |
ISO 11403-1 -2 | |||
9.81 GPa @Strain 1.01 %, Temperature -40.0 °C |
1420 ksi @Strain 1.01 %, Temperature -40.0 °F |
ISO 11403-1 -2 | |||
Izod Impact, Notched (ISO) | 14.0 kJ/m² | 6.66 ft-lb/in² | ISO 180/1A | ||
11.0 kJ/m² @Temperature -40.0 °C |
5.23 ft-lb/in² @Temperature -40.0 °F |
ISO 180/1A | |||
Izod Impact, Unnotched (ISO) | 65.0 kJ/m² | 30.9 ft-lb/in² | ISO 180/1U | ||
Charpy Impact Unnotched | 7.00 J/cm² | 33.3 ft-lb/in² | ISO 179/1eU | ||
Charpy Impact, Notched | 1.30 J/cm² | 6.19 ft-lb/in² | ISO 179/1eA | ||
1.15 J/cm² @Temperature -30.0 °C |
5.47 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 Constant | 4.4 @Frequency 100 Hz |
4.4 @Frequency 100 Hz |
IEC 60250 | ||
Dielectric Strength | 31.0 kV/mm | 787 kV/in | IEC 60243-1 | ||
31.0 kV/mm @Thickness 1.00 mm |
787 kV/in @Thickness 0.0394 in |
Short Time; IEC 60243-1 | |||
Dissipation Factor | 0.0025 @Frequency 100 Hz |
0.0025 @Frequency 100 Hz |
IEC 60250 | ||
0.0025 @Frequency 100 Hz |
0.0025 @Frequency 100 Hz |
ASTM D150 | |||
0.0070 @Frequency 1000 Hz |
0.0070 @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 | 375 V | 375 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 | 85.0 µm/m-°C | 47.2 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 | 225 °C | 437 °F | 10°C/min; ISO 11357-1/-3 | ||
Deflection Temperature at 0.46 MPa (66 psi) | 221 °C | 430 °F | ISO 75-1/-2 | ||
Deflection Temperature at 1.8 MPa (264 psi) | 207 °C | 405 °F | ISO 75-1/-2 | ||
Vicat Softening Point | 215 °C | 419 °F | 50°C/h 50N; ISO 306 | ||
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-IGF30< | ISO 11469 | |||
Processing | Injection Moulding | ||||
Regional Availability | Asia Pacific | ||||
Europe | |||||
Global | |||||
Near East/Africa | |||||
North America | |||||
South and Central America | |||||
Resin Identification | PBT-IGF30 | ||||
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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