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Hippe PBT Polybutylene Terephthalate

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT)
Manufacturer Erhard Hippe KG
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Hippe PBT Polybutylene Terephthalate.pdf
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Material Notes:
The mechanical properties of PBT are generally inferior to the partially crystallized PET, however, PBT is more easily machined.Information provided by Hippe.
Physical Properties Metric English Comments
Specific Gravity 1.30 g/cc
1.30 g/cc
DIN 53 479
Moisture Absorption at Equilibrium 0.25 %
0.25 %
Absorption of humidity in standard operating environment; DIN 53 715
Water Absorption at Saturation 0.50 %
0.50 %
DIN 53 495
Mechanical Properties Metric English Comments
Ball Indentation Hardness 115 MPa

@Time 30.0 sec
16700 psi

@Time 0.00833 hour
DIN 53 456
Tensile Strength 52.0 MPa
7540 psi
DIN 53 455
Elongation at Break 200 %
200 %
DIN 53 455
Tensile Modulus 2.60 GPa
377 ksi
DIN 53 457
Charpy Impact, Notched NB
NB
DIN 53 453
Coefficient of Friction, Dynamic 0.24
0.24
Against steel, p=0.05 N/mm², v=0.6 m/s, hardened and ground
Abrasion 0.20
0.20
µm/km; Against steel, p=0.05 N/mm², v=0.6 m/s, hardened and ground
Thermal Properties Metric English Comments
CTE, linear 70.0 µm/m-°C
38.9 µin/in-°F
Specific Heat Capacity 1.21 J/g-°C
0.289 BTU/lb-°F
Thermal Conductivity 0.210 W/m-K
1.46 BTU-in/hr-ft²-°F
Melting Point 225 °C
437 °F
DIN 53 736
Maximum Service Temperature, Air 110 °C
230 °F
Continuous use
180 °C
356 °F
Short Periods
Deflection Temperature at 0.46 MPa (66 psi) 165 °C
329 °F
ISO-R 75 Method B
Deflection Temperature at 1.8 MPa (264 psi) 65.0 °C
149 °F
ISO-R 75 Method A
Glass Transition Temp, Tg 22.0 °C
71.6 °F
dynamic; DIN 53 736
Flammability, UL94 HB
HB
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+16 ohm-cm
1.00e+16 ohm-cm
DIN 53 482, VDE 0303, Part 3
Surface Resistance >= 1.00e+14 ohm
>= 1.00e+14 ohm
DIN 53 482
Dielectric Constant 3.0

@Frequency 1.00e+6 Hz
3.0

@Frequency 1.00e+6 Hz
DIN 53 483, IEC-250
Dielectric Strength >= 45.0 kV/mm
>= 1140 kV/in
Breakdown; DIN 53 481, IEC-243, VDE 0303 Part 1
Dielectric Loss Index 0.012

@Frequency 1.00e+6 Hz
0.012

@Frequency 1.00e+6 Hz
DIN 53 483, IEC-250
Descriptive Properties Value Comments
Creep Resistance Grade CTI 600
DIN 53 480, IEC-112, VDE 0303 Part 1
Resistance to hot water, suds not resistant
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