
Polyvinylidene Fluoride
Kynar® 720
- Kynar® resins are fluorinated thermoplastic homopolymers.
- Outstanding characteristics: chemical resistance, imperviousness to UV, high barrier properties, high purity, good mechanical and thermo-mechanical properties.
- Kynar® 720 resin is a standard grade of granules for injection molding. This product is ANSI/NSF Standard 61 certified.
- A powder form is available as Kynar® 721 resin.
Processes
- Injection Mold Tooling & Parts
Properties
- Chemical-resistant
Colors
- White
Features
- Barrier Resin
- Chemical Resistant
- Corrosion Resistant
- Heat Stabilized
- High Purity
- Homopolymer
- Light Stabilized
- UV Resistant
Applications
- Coating Applications
- Film
- Sheet
- Wire & Cable Applications
Properties
General | ||||
Material Status
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Availability
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Additive
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Features
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Uses
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Agency Ratings
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Forms
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Processing Method
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Multi-Point Data
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Physical |
Nominal Value
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Unit
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Test Method
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Density / Specific Gravity
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— 3
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1.77 to 1.79
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ASTM D792 | |
—
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1.78
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g/cm³
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ISO 1183 |
Melt Mass-Flow Rate (MFR) (230°C/3.8 kg)
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5.0 to 27
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g/10 min
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ASTM D1238 |
Melt Volume-Flow Rate (MVR) (230°C/5.0 kg)
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10
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cm³/10min
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ISO 1133 |
Molding Shrinkage
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ISO 294-4 | ||
Across Flow
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2.0
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%
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Flow
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2.0
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%
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Water Absorption
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Saturation
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0.010 to 0.030
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%
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ASTM D570 |
Saturation, 73°F
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0.030
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%
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ISO 62 |
Equilibrium, 73°F, 50% RH
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0.015
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%
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ISO 62 |
Mechanical |
Nominal Value
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Unit
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Test Method
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Tensile Modulus
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73°F
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200000
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psi
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ASTM D638 |
—
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319000
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psi
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ISO 527-1 |
Tensile Strength
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Yield, 73°F
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6500 to 8010
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psi
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ASTM D638 |
Yield
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7830
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psi
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ISO 527-2 |
Break, 73°F
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5000 to 8010
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psi
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ASTM D638 |
Tensile Elongation
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Yield, 73°F
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5.0 to 10
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%
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ASTM D638 |
Yield
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8.0
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%
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ISO 527-2 |
Break, 73°F
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20 to 100
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%
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ASTM D638 |
Nominal Tensile Strain at Break
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> 50
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%
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ISO 527-2 |
Flexural Modulus (73°F)
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200000 to 335000
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psi
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ASTM D790 |
Flexural Strength (5.0% Strain, 73°F)
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8500 to 11000
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psi
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ASTM D790 |
Compressive Strength (73°F)
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9990 to 14900
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psi
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ASTM D695 |
Coefficient of Friction 3
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ASTM D1894 | ||
vs. Steel – Dynamic
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0.14
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vs. Steel – Static
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0.20
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Taber Abrasion Resistance (1000 Cycles, 1000 g, CS-17 Wheel)
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5.00 to 9.00
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mg
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Internal Method |
Thermal |
Nominal Value
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Unit
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Test Method
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Deflection Temperature Under Load
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66 psi, Unannealed 4
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257 to 284
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°F
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ASTM D648 |
66 psi, Unannealed
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270
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°F
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ISO 75-2/B |
264 psi, Unannealed 4
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221 to 239
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°F
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ASTM D648 |
264 psi, Unannealed
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230
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°F
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ISO 75-2/A |
Glass Transition Temperature
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—
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-41.1 to -36.9
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°F
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ASTM D7028 |
— 5
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-40.0
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°F
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ISO 11357-2 |
Vicat Softening Temperature
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282
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°F
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ISO 306/B50 |
Melting Temperature
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— 5
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334
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°F
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ISO 11357-3 |
—
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329 to 342
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°F
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ASTM D3418 |
CLTE – Flow
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73°F
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6.6E-5 to 8.0E-5
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in/in/°F
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ASTM D696 |
—
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8.3E-5
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in/in/°F
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ISO 11359-2 |
Specific Heat
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0.178 to 0.229
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Btu/lb/°F
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DSC |
Thermal Conductivity
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1.2 to 1.3
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Btu·in/hr/ft²/°F
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ASTM D433 |
RTI Elec
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302
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°F
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UL 746B |
RTI Imp
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302
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°F
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UL 746B |
RTI Str
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302
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°F
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UL 746B |
Electrical |
Nominal Value
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Unit
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Test Method
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Surface Resistivity
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> 1.0E+15
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ohms
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IEC 60093 |
Volume Resistivity
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68°F 6
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2.0E+14
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ohms·cm
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ASTM D257 |
—
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2.0E+14
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ohms·cm
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IEC 60093 |
Dielectric Strength
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73°F
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> 1700
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V/mil
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ASTM D149 |
—
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530
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V/mil
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IEC 60243-1 |
Dielectric Constant
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1 kHz
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4.50 to 9.50
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ASTM D150 | |
100 Hz
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9.00
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IEC 60250 | |
1 MHz
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7.00
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IEC 60250 | |
Dissipation Factor
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100 kHz
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0.010 to 0.21
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ASTM D150 | |
100 Hz
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0.032
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IEC 60250 | |
1 MHz
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0.21
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IEC 60250 | |
Comparative Tracking Index
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600
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V
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IEC 60112 |
Flammability |
Nominal Value
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Unit
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Test Method
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Flammability Classification
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IEC 60695-11-10, -20 | ||
0.03 in
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V-0
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0.06 in
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V-0
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Oxygen Index
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— 3
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44
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%
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ASTM D2863 |
—
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43
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%
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ISO 4589-2 |
Optical |
Nominal Value
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Test Method
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Refractive Index 7
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1.420
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ASTM D542 |
Fill Analysis |
Nominal Value
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Unit
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Test Method
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Melt Viscosity (446°F, 100 sec^-1)
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600 to 1200
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Pa·s
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ASTM D3835 |
Notes |
373°F |
4248°F/hr |
510°C/min |
6DC, 65% R.H. |
7@ sodium D line |
Notes |
373°F |
4248°F/hr |
510°C/min |
6DC, 65% R.H. |
7@ sodium D line |
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