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GEHR Plastics PET Polyethylene Terephthalate

Category Polymer , Thermoplastic , Polyester, TP , Polyethylene Terephthalate (PET)
Manufacturer GEHR Plastics Inc
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF GEHR Plastics PET Polyethylene Terephthalate.pdf
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Material Notes:
Polyethylene terephthalate shows high tensile and mechanical strength, hardness and toughness, low friction and a high dimensional stability. PET may be used at temperatures ranging from -20°C to approximately 115°C.Propertieshigh mechanical resistance and tensile strengthhigh surface strengtheasy to varnish and polishhigh dimensional stabilityhigh toughnessgood electrical insulating propertieshigh chemical resistancelimited dielectric propertiessensitive to hydrolysisApplications include bearings, pumps and parts for housings, frame components, tank lids, cogwheels, insulators for the electrotechnic, deflection rollers for the filament industry, levers, handles, and control disks.
Physical Properties Metric English Comments
Specific Gravity 1.39 g/cc
1.39 g/cc
ISO 1183
Water Absorption 0.30 %
0.30 %
ISO 62
Mechanical Properties Metric English Comments
Ball Indentation Hardness 170 MPa
24700 psi
ISO 2039
Tensile Strength, Yield 90.0 MPa
13100 psi
ISO 527
Elongation at Break 15 %
15 %
ISO 527
Modulus of Elasticity 3.70 GPa
537 ksi
ISO 527
Charpy Impact Unnotched >= 5.00 J/cm²
>= 23.8 ft-lb/in²
ISO 179
Charpy Impact, Notched 0.200 J/cm²
0.952 ft-lb/in²
ISO 179
Coefficient of Friction 0.25
0.25
DIN 53375
Thermal Properties Metric English Comments
CTE, linear 80.0 µm/m-°C

@Temperature 20.0 °C
44.4 µin/in-°F

@Temperature 68.0 °F
DIN 53752
Thermal Conductivity 0.290 W/m-K
2.01 BTU-in/hr-ft²-°F
DIN 52612
Maximum Service Temperature, Air 115 °C
239 °F
Deflection Temperature at 1.8 MPa (264 psi) 75.0 °C
167 °F
ISO 75
Minimum Service Temperature, Air -20.0 °C
-4.00 °F
Flammability, UL94 HB
HB
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+15 ohm-cm
>= 1.00e+15 ohm-cm
VDE 0303
Surface Resistivity per Square >= 1.00e+14 ohm
>= 1.00e+14 ohm
VDE 0303
Dielectric Constant 3.2

@Frequency 1.00e+6 Hz
3.2

@Frequency 1.00e+6 Hz
DIN 53483
Dielectric Strength 22.0 kV/mm
559 kV/in
VDE 0303
Dielectric Loss Index 0.014

@Frequency 1.00e+6 Hz
0.014

@Frequency 1.00e+6 Hz
DIN 53483
Comparative Tracking Index 600 V
600 V
CTI; IEC 60112
Descriptive Properties Value Comments
Acid Resistance yes
Aromatic Resistance yes
Bondability yes
CKW Resistance limited
Color Natural
Hydrocarbonate Resistance yes
Hydroxide Resistance limited
Physiological indifference according yes
UV Stabilization no
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