Arkema Group KYNAR FLEX® 2850-07 Polyvinylidene Fluoride Copolymer - Extrusion & Molding

Category	Polymer , Thermoplastic , Fluoropolymer , PVDF , Polyvinylidinefluoride (PVDF), Molded/Extruded
Manufacturer	Arkema
Trade Name	KYNAR FLEX®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Arkema Group KYNAR FLEX® 2850-07 Polyvinylidene Fluoride Copolymer - Extrusion & Molding.pdf
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Material Notes:

Characteristics: Natural resin - translucent, off-white hemispheres. 150°C Temperature rating. High stability in harsh thermal, chemical and ultraviolet environments. High toughness and mechanical strength, low permeability, abrasion resistance; 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	1.77 - 1.80 g/cc	1.77 - 1.80 g/cc	ASTM D792
Bulk Density	0.961 g/cc	0.0347 lb/in³
Water Absorption	0.030 - 0.050 % @Time 86400 sec	0.030 - 0.050 % @Time 24.0 hour	Immersion; ASTM D570
Viscosity	1.60e+6 - 2.00e+6 cP @Shear Rate 100 1/s, Temperature 232 °C	1.60e+6 - 2.00e+6 cP @Shear Rate 100 1/s, Temperature 450 °F	Melt Viscosity; ASTM D3835
Melt Flow	10 - 20 g/10 min @Load 12.5 kg, Temperature 232 °C	10 - 20 g/10 min @Load 27.6 lb, Temperature 450 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	70 - 75	70 - 75	ASTM D2240
Tensile Strength at Break	27.0 - 48.0 MPa	3920 - 6960 psi	ASTM D638
Tensile Strength, Yield	31.0 - 41.0 MPa	4500 - 5950 psi	ASTM D638
Elongation at Break	200 - 400 %	200 - 400 %	ASTM D638
Elongation at Yield	5.0 - 15 %	5.0 - 15 %	ASTM D638
Tensile Modulus	1.034 - 1.517 GPa	150.0 - 220.0 ksi	ASTM D638
Flexural Strength	20.0 - 34.0 MPa @Strain 5.00 %	2900 - 4930 psi @Strain 5.00 %	ASTM D790
Flexural Modulus	1.034 - 1.241 GPa	150.0 - 180.0 ksi	ASTM D790
Compressive Strength	41.0 - 58.0 MPa	5950 - 8410 psi	ASTM D695
Izod Impact, Notched	1.07 - 4.27 J/cm	2.00 - 8.00 ft-lb/in	ASTM D256
Izod Impact, Unnotched	>= NB	>= NB	ASTM D256
Coefficient of Friction, Dynamic	0.19	0.19	vs. steel; ASTM D1894
Coefficient of Friction, Static	0.26	0.26	vs. steel; ASTM D1894
Taber Abrasion, mg/1000 Cycles	6.0 - 9.0	6.0 - 9.0	1000 g pad; CS-17

Thermal Properties	Metric	English	Comments
CTE, linear	126 - 185 µm/m-°C	70.0 - 103 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	0.144 - 0.180 W/m-K	1.00 - 1.25 BTU-in/hr-ft²-°F	ASTM D433
Melting Point	155 - 160 °C	311 - 320 °F
Deflection Temperature at 0.46 MPa (66 psi)	60.0 - 75.0 °C	140 - 167 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	38.0 - 55.0 °C	100 - 131 °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	43 %	43 %	ASTM D2868
	75 %	75 %	optional products; 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	3.5 @Frequency 1.00e+8 Hz	3.5 @Frequency 1.00e+8 Hz	ASTM D150
	10.2 @Frequency 100 Hz	10.2 @Frequency 100 Hz	ASTM D150
Dielectric Strength	51.2 - 63.0 kV/mm	1300 - 1600 kV/in	ASTM D149
Dissipation Factor	0.010 - 0.22 @Frequency 100 Hz	0.010 - 0.22 @Frequency 100 Hz	ASTM D150

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	195 - 220 °C	383 - 428 °F	Tube Extrusion
Middle Barrel Temperature	210 - 240 °C	410 - 464 °F	Tube Extrusion
Front Barrel Temperature	210 - 240 °C	410 - 464 °F	Tube Extrusion
Die Temperature	210 - 250 °C	410 - 482 °F	Tube Extrusion
Head Temperature	210 - 240 °C	410 - 464 °F	Tube Extrusion

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