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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  |
| Price | EMAIL US sales@lookpolymers.com |
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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