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.

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Processes

Injection Mold Tooling & Parts

Properties

Chemical-resistant

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

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Performance

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Others

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus
73°F	200000	psi	ASTM D638
—	319000	psi	ISO 527-1
Tensile Strength
Yield, 73°F	6500 to 8010	psi	ASTM D638
Yield	7830	psi	ISO 527-2
Break, 73°F	5000 to 8010	psi	ASTM D638
Tensile Elongation
Yield, 73°F	5.0 to 10	%	ASTM D638
Yield	8.0	%	ISO 527-2
Break, 73°F	20 to 100	%	ASTM D638
Nominal Tensile Strain at Break	> 50	%	ISO 527-2
Flexural Modulus (73°F)	200000 to 335000	psi	ASTM D790
Flexural Strength (5.0% Strain, 73°F)	8500 to 11000	psi	ASTM D790
Compressive Strength (73°F)	9990 to 14900	psi	ASTM D695
Coefficient of Friction³			ASTM D1894
vs. Steel – Dynamic	0.14
vs. Steel – Static	0.20
Taber Abrasion Resistance (1000 Cycles, 1000 g, CS-17 Wheel)	5.00 to 9.00	mg	Internal Method

Thermal	Nominal Value	Unit	Test Method
Deflection Temperature Under Load
66 psi, Unannealed⁴	257 to 284	°F	ASTM D648
66 psi, Unannealed	270	°F	ISO 75-2/B
264 psi, Unannealed⁴	221 to 239	°F	ASTM D648
264 psi, Unannealed	230	°F	ISO 75-2/A
Glass Transition Temperature
—	-41.1 to -36.9	°F	ASTM D7028
—⁵	-40.0	°F	ISO 11357-2
Vicat Softening Temperature	282	°F	ISO 306/B50
Melting Temperature
—⁵	334	°F	ISO 11357-3
—	329 to 342	°F	ASTM D3418
CLTE – Flow
73°F	6.6E-5 to 8.0E-5	in/in/°F	ASTM D696
—	8.3E-5	in/in/°F	ISO 11359-2
Specific Heat	0.178 to 0.229	Btu/lb/°F	DSC
Thermal Conductivity	1.2 to 1.3	Btu·in/hr/ft²/°F	ASTM D433
RTI Elec	302	°F	UL 746B
RTI Imp	302	°F	UL 746B
RTI Str	302	°F	UL 746B

Electrical	Nominal Value	Unit	Test Method
Surface Resistivity	> 1.0E+15	ohms	IEC 60093
Volume Resistivity
68°F⁶	2.0E+14	ohms·cm	ASTM D257
—	2.0E+14	ohms·cm	IEC 60093
Dielectric Strength
73°F	> 1700	V/mil	ASTM D149
—	530	V/mil	IEC 60243-1
Dielectric Constant
1 kHz	4.50 to 9.50		ASTM D150
100 Hz	9.00		IEC 60250
1 MHz	7.00		IEC 60250
Dissipation Factor
100 kHz	0.010 to 0.21		ASTM D150
100 Hz	0.032		IEC 60250
1 MHz	0.21		IEC 60250
Comparative Tracking Index	600	V	IEC 60112

Flammability	Nominal Value	Unit	Test Method
Flammability Classification			IEC 60695-11-10, -20
0.03 in	V-0
0.06 in	V-0
Oxygen Index
—³	44	%	ASTM D2863
—	43	%	ISO 4589-2

Optical	Nominal Value		Test Method
Refractive Index⁷	1.420		ASTM D542

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Kynar® 720

Processes

Properties

Features

Applications

Properties

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Production Begins

Parts Shipped

Fill Analysis	Nominal Value	Unit	Test Method
Melt Viscosity (446°F, 100 sec^-1)	600 to 1200	Pa·s	ASTM D3835

Need help finding the right material?

Kynar® 720

Processes

Properties

Features

Applications

Properties

General

Mechanical

Thermal

Electrical

Flammablility

Optical

Fill Analysis

Notes

Additional Information