Kynar® 720E

Alternative and trade names
PVDF

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Description

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 E resin is a standard grade of granules for injection molding. This product is ANSI/NSF Standard 61 certified. This product is compliant with the EU positive list.

This material data has been provided by Arkema Technical Polymers.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

All categories

Properties

General

Property	Value	Condition	Testing Standard
Limiting oxygen index	66 % Show Supplier Material materials with Limiting oxygen index of 66 %	dry	ISO 4589-1/-2
Water absorption	0.02 % Show Supplier Material materials with Water absorption of 0.02 %		Sim. to ISO 62

Mechanical

Property	Value	Condition	Testing Standard	Comment
Elastic modulus	2.2 GPa Show Supplier Material materials with Elastic modulus of 2.2 GPa	dry	ISO 527-1/-2
Elongation	50 % Show Supplier Material materials with Elongation of 50 %	dry	ISO 527-1/-2	min. \| nominal
Elongation at yield	8 % Show Supplier Material materials with Elongation at yield of 8 %	dry	ISO 527-1/-2
Yield strength	50 MPa Show Supplier Material materials with Yield strength of 50 MPa	dry	ISO 527-1/-2

Thermal

Property	Value	Condition	Testing Standard	Pressure	Comment
Coefficient of thermal expansion	0.00015 1/K Show Supplier Material materials with Coefficient of thermal expansion of 0.00015 1/K	dry	ISO 11359-1/-2
Glass transition temperature	-40 °C Show Supplier Material materials with Glass transition temperature of -40 °C	dry	ISO 11357-1/-2		10°C/min
Heat deflection temperature	104 °C Show Supplier Material materials with Heat deflection temperature of 104 °C	dry	ISO 75-1/-2	2 MPa
Melting point	169 °C Show Supplier Material materials with Melting point of 169 °C	dry	ISO 11357-1/-3		10°C/min
Flammability	At thickness 1.6 mm IEC 60695-11-10: V-0 and yellow card available

Rheological Properties

Property	Value	Condition	Testing Standard	Comment
Melt volume-flow rate	14.8 cm³/10min Show Supplier Material materials with Melt volume-flow rate of 14.8 cm³/10min	dry	ISO 1133	230°C/3.8kg
Shrinkage	2 % Show Supplier Material materials with Shrinkage of 2 %	dry	ISO 294-4
	2 % Show Supplier Material materials with Shrinkage of 2 %	dry	ISO 294-4	Transverse
Thermal conductivity of melt	0.19 W/(m·K) Show Supplier Material materials with Thermal conductivity of melt of 0.19 W/(m·K)

Technological properties

Property

Application areas

Main applications:

corrosion protection in the chemical industry

coating (painting, co-extrusion)

off shore

wire and cable

water transportation

Certifications

Yellow Card

Processing methods

Injection Molding:

Melt temperature (°C) ISO 294: 230

Mold temperature (°C) ISO 10724: 90

Injection velocity (mm/s) ISO 294: -

Pressure at hold (MPa) ISO 294: -

Compression Molding:

Molding temperature (°C) ISO 293: 230

Molding time (min) ISO 293:-

Demolding temperature (°C) ISO 293: 40

Kynar® 720E

Description

Ashby charts

Applications

Materials by this supplier

Properties