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GEHR Plastics PVDF Polyvinylidene Fluoride
| Category | Polymer , Thermoplastic , Fluoropolymer , PVDF |
| 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 PVDF Polyvinylidene Fluoride.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Polyvinylidene fluoride shows a higher tensile strength, pressure resistance and dimensional stability than the related PTFE, but friction and insulation properties are lower. PVDF has a high mechanical strength and toughness at lower temperature and it's self-extinguishing. The temperature ranges from -30°C to 150°C.Propertieshigh tensile strengthhigh mechanical strengthhigh rigidityhigh chemical resistancevery low water absorptiongood friction and wear and tear valuesself-extinguishinghigh UV-resistancetoxic fumes when burnedcan not be solvent cementedrelatively high coefficient of thermal expansionApplications include gaskets, pumps, rotation disks, valves, flap traps, centrifugals of extraction, fittings, glide tracks, and cogwheels.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.78 g/cc | 1.78 g/cc | ISO 1183 |
| Water Absorption | <= 0.040 % | <= 0.040 % | ISO 62 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore D | 78 | 78 | DIN 53505 |
| Ball Indentation Hardness | 80.0 MPa | 11600 psi | ISO 2039 |
| Tensile Strength at Break | 46.0 MPa | 6670 psi | ISO 527 |
| Tensile Strength, Yield | 50.0 MPa | 7250 psi | ISO 527 |
| Elongation at Break | >= 50 % | >= 50 % | ISO 527 |
| Elongation at Yield | 9.0 % | 9.0 % | ISO 527 |
| Modulus of Elasticity | 2.00 GPa | 290 ksi | ISO 527 |
| Flexural Strength | 80.0 MPa | 11600 psi | 3.5%; ISO 178 |
| Charpy Impact Unnotched | 25.2 J/cm² | 120 ft-lb/in² | ISO 179 |
| Charpy Impact, Notched | 2.20 J/cm² | 10.5 ft-lb/in² | ISO 179 |
| Coefficient of Friction | 0.34 | 0.34 | DIN 53375 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 120 µm/m-°C @Temperature 20.0 °C |
66.7 µin/in-°F @Temperature 68.0 °F |
DIN 53752 |
| Thermal Conductivity | 0.130 W/m-K | 0.902 BTU-in/hr-ft²-°F | DIN 52612 |
| Maximum Service Temperature, Air | 150 °C | 302 °F | |
| Deflection Temperature at 0.46 MPa (66 psi) | 145 °C | 293 °F | ISO 75 |
| Deflection Temperature at 1.8 MPa (264 psi) | 104 °C | 219 °F | ISO 75 |
| Vicat Softening Point | 140 °C | 284 °F | VST/B/50; ISO 306 |
| 160 °C | 320 °F | VST/A/50; ISO 306 | |
| Minimum Service Temperature, Air | -30.0 °C | -22.0 °F | |
| Flammability, UL94 | V-0 | V-0 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | >= 1.00e+13 ohm-cm | >= 1.00e+13 ohm-cm | VDE 0303 |
| Surface Resistivity per Square | >= 1.00e+14 ohm | >= 1.00e+14 ohm | VDE 0303 |
| Dielectric Constant | 7.25 @Frequency 1.00e+6 Hz |
7.25 @Frequency 1.00e+6 Hz |
DIN 53483 |
| Dielectric Strength | 22.0 kV/mm | 559 kV/in | VDE 0303 |
| Dielectric Loss Index | 0.18 @Frequency 1.00e+6 Hz |
0.18 @Frequency 1.00e+6 Hz |
DIN 53483 |
| Comparative Tracking Index | 300 V | 300 V | CTI; IEC 60112 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Acid Resistance | limited | |
| Aromatic Resistance | yes | |
| Bondability | limited | |
| CKW Resistance | yes | |
| Color | Natural | |
| Hydrocarbonate Resistance | yes | |
| Hydroxide Resistance | yes | |
| Ketone Resistance | yes | |
| Physiological indifference according | no | |
| Resistance Against Hot Water | yes | |
| UV Stabilization | yes |
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