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Arkema Group KYNAR® 720, 720 HDP Polyvinylidene Fluoride Homopolymer- Injection Molding and Extrusion

Category Polymer , Thermoplastic , Fluoropolymer , PVDF , Polyvinylidinefluoride (PVDF), Molded/Extruded
Manufacturer Arkema
Trade Name KYNAR®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Arkema Group KYNAR® 720, 720 HDP Polyvinylidene Fluoride Homopolymer- Injection Molding and Extrusion.pdf
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Material Notes:
Characteristics: Natural resin - translucent, off-white hemispheres. HDP indicates higher color stability. 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 componentsListed properties are typical for 700 series.Information provided by Arkema Inc.
Physical Properties Metric English Comments
Specific Gravity 1.77 - 1.79 g/cc
1.77 - 1.79 g/cc
ASTM D792
Bulk Density 0.961 g/cc
0.0347 lb/in³
Water Absorption 0.010 - 0.030 %

@Time 86400 sec
0.010 - 0.030 %

@Time 24.0 hour
Immersion; ASTM D570
Viscosity 400000 - 1.20e+6 cP

@Shear Rate 100 1/s,
Temperature 232 °C
400000 - 1.20e+6 cP

@Shear Rate 100 1/s,
Temperature 450 °F
Melt Viscosity; ASTM D3835
Linear Mold Shrinkage, Flow 0.020 - 0.035 cm/cm

@Time 86400 sec
0.020 - 0.035 in/in

@Time 24.0 hour
Linear Mold Shrinkage, Transverse 0.016 - 0.030 cm/cm

@Time 86400 sec
0.016 - 0.030 in/in

@Time 24.0 hour
Melt Flow 5.0 - 29 g/10 min

@Load 3.80 kg,
Temperature 232 °C
5.0 - 29 g/10 min

@Load 8.38 lb,
Temperature 450 °F
ASTM D1238
Mechanical Properties Metric English Comments
Hardness, Shore D 75 - 80
75 - 80
ASTM D2240
Tensile Strength at Break 34.0 - 55.0 MPa
4930 - 7980 psi
ASTM D638
Tensile Strength, Yield 45.0 - 55.0 MPa
6530 - 7980 psi
ASTM D638
Elongation at Break 50 - 200 %
50 - 200 %
ASTM D638
Elongation at Yield 5.0 - 10 %
5.0 - 10 %
ASTM D638
Tensile Modulus 1.379 - 2.31 GPa
200.0 - 335 ksi
ASTM D638
Flexural Strength 58.0 - 76.0 MPa

@Strain 5.00 %
8410 - 11000 psi

@Strain 5.00 %
ASTM D790
Flexural Modulus 1.655 - 2.31 GPa
240.0 - 335 ksi
ASTM D790
Compressive Strength 69.0 - 103 MPa
10000 - 14900 psi
ASTM D695
Izod Impact, Notched 1.07 - 2.14 J/cm
2.00 - 4.00 ft-lb/in
ASTM D256
Izod Impact, Unnotched 10.7 - 42.7 J/cm
20.0 - 80.0 ft-lb/in
ASTM D256
Coefficient of Friction, Dynamic 0.14
0.14
vs. steel; ASTM D1894
Coefficient of Friction, Static 0.20
0.20
vs. steel; ASTM D1894
Taber Abrasion, mg/1000 Cycles 5.0 - 9.0
5.0 - 9.0
1000 g pad; CS-17
Thermal Properties Metric English Comments
CTE, linear 119 - 144 µm/m-°C
66.0 - 80.0 µin/in-°F
ASTM D696
Specific Heat Capacity 1.17 - 1.51 J/g-°C
0.280 - 0.360 BTU/lb-°F
DSC
Thermal Conductivity 0.170 - 0.190 W/m-K
1.18 - 1.32 BTU-in/hr-ft²-°F
ASTM D433
Melting Point 165 - 172 °C
329 - 342 °F
Deflection Temperature at 0.46 MPa (66 psi) 125 - 140 °C
257 - 284 °F
ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 105 - 115 °C
221 - 239 °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
60 %
60 %
select grades; ASTM D2868
Electrical Properties Metric English Comments
Volume Resistivity 2.00e+14 ohm-cm

@Temperature 20.0 °C
2.00e+14 ohm-cm

@Temperature 68.0 °F
65% RH; ASTM D257
Dielectric Constant 4.5

@Frequency 1.00e+8 Hz
4.5

@Frequency 1.00e+8 Hz
ASTM D150
9.5

@Frequency 100 Hz
9.5

@Frequency 100 Hz
ASTM D150
Dielectric Strength 66.9 kV/mm
1700 kV/in
ASTM D149
Dissipation Factor 0.010 - 0.21

@Frequency 100 Hz
0.010 - 0.21

@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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