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Arkema Group KYNAR® 370 Polyvinylidene Fluoride (PVDF) Homopolymer - Injection Molding

Category Polymer , Thermoplastic , Fluoropolymer , PVDF , Polyvinylidinefluoride (PVDF), Molded/Extruded
Manufacturer Arkema
Trade Name KYNAR®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Arkema Group KYNAR® 370 Polyvinylidene Fluoride (PVDF) Homopolymer - Injection Molding.pdf
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Material Notes:
Characteristics: Natural resin - translucent, off-white hemispheres. Low melt shrinkage, graphite powder filled. High stability in harsh thermal, chemical and ultraviolet environments. High toughness and mechanical strength, low permeability, fire resistance, abrasion resistance; low-smoke emission; high purityApplications:Chemical processing – production, storage and transfer of corrosive fluidsElectronics – protective sheathing, plenum and wiring insulationSemi-conductor industryFood stuff and Healthcare industriesTransportation – fuel line and pipe, thermoformed body componentsInformation provided by Arkema Inc.
Physical Properties Metric English Comments
Specific Gravity 1.84 - 1.88 g/cc
1.84 - 1.88 g/cc
ASTM D792
Bulk Density 0.961 g/cc
0.0347 lb/in³
Water Absorption 0.040 - 0.060 %

@Time 86400 sec
0.040 - 0.060 %

@Time 24.0 hour
Immersion; ASTM D570
Viscosity 800000 - 1.30e+6 cP

@Shear Rate 100 1/s,
Temperature 232 °C
800000 - 1.30e+6 cP

@Shear Rate 100 1/s,
Temperature 450 °F
Melt Viscosity; ASTM D3835
Linear Mold Shrinkage, Flow 0.012 - 0.035 cm/cm

@Time 86400 sec
0.012 - 0.035 in/in

@Time 24.0 hour
Linear Mold Shrinkage, Transverse 0.0080 - 0.030 cm/cm

@Time 86400 sec
0.0080 - 0.030 in/in

@Time 24.0 hour
Mechanical Properties Metric English Comments
Hardness, Shore D 74 - 79
74 - 79
ASTM D2240
Tensile Strength at Break 38.0 - 55.0 MPa
5510 - 7980 psi
ASTM D638
Tensile Strength, Yield 34.0 - 55.0 MPa
4930 - 7980 psi
ASTM D638
Elongation at Break <= 20 %
<= 20 %
ASTM D638
Elongation at Yield <= 4.0 %
<= 4.0 %
ASTM D638
Creep Strength 3.70 MPa

@Temperature 90.0 °C,
Time 360000 sec
537 psi

@Temperature 194 °F,
Time 100 hour
Deflection = 3.3%; Flexural Creep
3.70 MPa

@Temperature 90.0 °C,
Time 3.60e+6 sec
537 psi

@Temperature 194 °F,
Time 1000 hour
Deflection = 3.4%; Flexural Creep
3.70 MPa

@Temperature 60.0 °C,
Time 360000 sec
537 psi

@Temperature 140 °F,
Time 100 hour
Deflection = 1.5%; Flexural Creep
3.70 MPa

@Temperature 60.0 °C,
Time 3.60e+6 sec
537 psi

@Temperature 140 °F,
Time 1000 hour
Deflection = 1.7%; Flexural Creep
Tensile Modulus 3.102 - 5.171 GPa
449.9 - 750.0 ksi
ASTM D638
Flexural Strength 138 - 207 MPa

@Strain 5.00 %
20000 - 30000 psi

@Strain 5.00 %
ASTM D790
Flexural Modulus 5.515 - 6.895 GPa
799.9 - 1000 ksi
ASTM D790
Compressive Strength 138 - 172 MPa
20000 - 24900 psi
ASTM D695
Izod Impact, Notched 0.400 - 0.801 J/cm
0.750 - 1.50 ft-lb/in
ASTM D256
Izod Impact, Unnotched 2.67 - 5.34 J/cm
5.00 - 10.0 ft-lb/in
ASTM D256
Coefficient of Friction, Dynamic 0.12
0.12
vs. steel; ASTM D1894
Coefficient of Friction, Static 0.18
0.18
vs. steel; ASTM D1894
Thermal Properties Metric English Comments
CTE, linear 36.0 - 45.0 µm/m-°C
20.0 - 25.0 µin/in-°F
ASTM D696
Melting Point 165 - 172 °C
329 - 342 °F
Deflection Temperature at 0.46 MPa (66 psi) 132 - 149 °C
270 - 300 °F
ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 104 - 127 °C
219 - 261 °F
ASTM D648
Glass Transition Temp, Tg -40.0 - -38.0 °C

@Frequency 1.00 Hz
-40.0 - -36.4 °F

@Frequency 1.00 Hz
DMA
Decomposition Temperature 375 °C
707 °F
1% wt loss / in air; TGA
410 °C
770 °F
1% wt loss / in nitrogen; TGA
Flammability, UL94 V-0
V-0
Oxygen Index 44 %
44 %
ASTM D2868
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+11 ohm-cm

@Temperature 20.0 °C
1.00e+11 ohm-cm

@Temperature 68.0 °F
65% RH; ASTM D257
Dielectric Constant 28.3

@Frequency 1.00e+8 Hz
28.3

@Frequency 1.00e+8 Hz
ASTM D150
33.5

@Frequency 100 Hz
33.5

@Frequency 100 Hz
ASTM D150
Dissipation Factor 0.060 - 0.080

@Frequency 100 Hz
0.060 - 0.080

@Frequency 100 Hz
ASTM D150
Processing Properties Metric English Comments
Rear Barrel Temperature 190 - 210 °C
374 - 410 °F
Injection Molding
195 - 220 °C
383 - 428 °F
Tube Extrusion
Middle Barrel Temperature 200 - 220 °C
392 - 428 °F
Injection Molding
210 - 240 °C
410 - 464 °F
Tube Extrusion
Front Barrel Temperature 200 - 240 °C
392 - 464 °F
Injection Molding
210 - 240 °C
410 - 464 °F
Tube Extrusion
Nozzle Temperature 200 - 240 °C
392 - 464 °F
Injection Molding
Die Temperature 210 - 250 °C
410 - 482 °F
Tube Extrusion
Head Temperature 210 - 240 °C
410 - 464 °F
Tube Extrusion
Mold Temperature 50.0 - 90.0 °C
122 - 194 °F
Injection Molding
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