Arkema Kynar Flex® 2850 WR PVDF

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Arkema Kynar Flex® 2850 WR PVDF
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Physical Properties	Metric	English	Comments

Specific Gravity	1.77 - 1.80 g/cc	1.77 - 1.80 g/cc	ASTM D792
Viscosity	400000 - 800000 cP @Shear Rate 100 1/s, Temperature 230 °C	400000 - 800000 cP @Shear Rate 100 1/s, Temperature 446 °F	Melt; ASTM D3835
Melt Flow	7.5 g/10 min @Load 3.80 kg, Temperature 230 °C	7.5 g/10 min @Load 8.38 lb, Temperature 446 °F	cm³/10 min Volumetric Rate; ISO 1133
	8.0 - 25 g/10 min @Load 3.80 kg, Temperature 230 °C	8.0 - 25 g/10 min @Load 8.38 lb, Temperature 446 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	70 - 75	70 - 75	ASTM D2240
Tensile Strength at Break	27.6 - 48.3 MPa	4000 - 7010 psi	ASTM D638
Tensile Strength, Yield	35.0 MPa	5080 psi	Dry; ISO 527-1/-2
	31.0 - 41.4 MPa	4500 - 6000 psi	ASTM D638
Elongation at Break	>= 50 %	>= 50 %	Dry; ISO 527-1/-2
	30 - 200 %	30 - 200 %	ASTM D638
Elongation at Yield	5.0 - 15 %	5.0 - 15 %	ASTM D638
	10 %	10 %	Dry; ISO 527-1/-2
Tensile Modulus	1.03 - 1.52 GPa	149 - 220 ksi	ASTM D638
Flexural Strength	20.7 - 34.5 MPa @Strain 5.0 %	3000 - 5000 psi @Strain 5.0 %	ASTM D790
Flexural Modulus	1.03 - 1.24 GPa	149 - 180 ksi	ASTM D790
Compressive Strength	41.4 - 58.6 MPa	6000 - 8500 psi	ASTM D695
Izod Impact, Notched	1.60 - 4.27 J/cm	3.00 - 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	0.25	0.25	vs. steel; ASTM D1894
Taber Abrasion, mg/1000 Cycles	6.0 - 9.0	6.0 - 9.0	CS 17 1000g:pad; ASTM-G195-13A

Electrical Properties	Metric	English	Comments
Volume Resistivity	2.00e+14 ohm-cm	2.00e+14 ohm-cm	65% R.H; ASTM D257
	2.00e+14 ohm-cm	2.00e+14 ohm-cm	Dry; IEC 60093
Dielectric Constant	3.5 - 10.2 @Frequency 1000 Hz	3.5 - 10.2 @Frequency 1000 Hz	ASTM D150
Dielectric Strength	1.30 - 1.60 kV/mm	33.0 - 40.6 kV/in	ASTM D149
Dissipation Factor	0.010 - 0.22 @Frequency 100000 Hz	0.010 - 0.22 @Frequency 100000 Hz	ASTM D150

Thermal Properties	Metric	English	Comments
CTE, linear	126 - 185 µm/m-°C	70.0 - 103 µin/in-°F	ASTM D696
Specific Heat Capacity	0.745 - 0.958 J/g-°C	0.178 - 0.229 BTU/lb-°F	DSC
Thermal Conductivity	0.144 - 0.180 W/m-K	0.999 - 1.25 BTU-in/hr-ft²-°F	ASTM D433
Melting Point	155 - 160 °C	311 - 320 °F	ASTM D3418
	158 °C	316 °F	10°C/min; Dry; ISO 11357-1/-3
Maximum Service Temperature, Air	140 °C	284 °F	UL RTI
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)	46.0 °C	115 °F	Dry; ISO 75-1/-2
	37.8 - 55.0 °C	100 - 131 °F	ASTM D648
Glass Transition Temp, Tg	-40.6 - -38.3 °C	-41.1 - -36.9 °F	ASTM D7028
Decomposition Temperature	375 °C	707 °F	1% wt. loss, TGA, in air
	410 °C	770 °F	1% wt. loss, TGA, in nitrogen
Flammability, UL94	V-0 @Thickness 0.800 mm	V-0 @Thickness 0.0315 in	IEC 60695-11-10
Oxygen Index	43 %	43 %	ASTM D2863
	43 %	43 %	Dry; ISO 4589-1/-2

Optical Properties	Metric	English	Comments
Refractive Index	1.42	1.42	sodium D line; ASTM D542

Descriptive Properties
Moisture Sensitive	No

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PARKF707 / 193516

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