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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
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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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