Arkema Kynar Flex® 3121-50 PVDF

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Arkema Kynar Flex® 3121-50 PVDF
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polyvinylidene Fluoride (PVDF); Polyvinylidinefluoride (PVDF), Molded/Extruded
Material Notes:	Information provided by Arkema Inc.
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Physical Properties	Original Value	Comments

Specific Gravity	1.75 - 1.77 g/cc	ASTM D792
Density	1.78 g/cc	ISO 1183
Water Absorption	0.030 %	Dry; Sim. to ISO 62
	0.030 - 0.050 %	ASTM D570
Viscosity	2.00e+6 - 2.60e+6 cP @Shear Rate 100 1/s, Temperature 230 °C	Melt; ASTM D3835
Melt Flow	0.50 g/10 min @Load 5.00 kg, Temperature 230 °C	cm³/10 min Volumetric Rate; ISO 1133
	2.5 - 7.5 g/10 min @Load 12.5 kg, Temperature 230 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore D	65 - 70	ASTM D2240
Tensile Strength at Break	34.5 - 48.3 MPa	ASTM D638
Tensile Strength, Yield	27.0 MPa	Dry; ISO 527-1/-2
	24.1 - 34.5 MPa	ASTM D638
Elongation at Break	>= 50 %	Dry; ISO 527-1/-2
	300 - 500 %	ASTM D638
Elongation at Yield	10 - 20 %	ASTM D638
	15 %	Dry; ISO 527-1/-2
Tensile Modulus	700 MPa	Dry; ISO 527-1/-2
	689 - 1170 MPa	ASTM D638
Flexural Strength	20.7 - 34.5 MPa @Strain 5.0 %	ASTM D790
Flexural Modulus	621 - 827 MPa	ASTM D790
Compressive Strength	34.5 - 48.3 MPa	ASTM D695
Izod Impact, Notched	NB	ASTM D256
Izod Impact, Unnotched	NB	ASTM D256
Coefficient of Friction, Dynamic	0.30	vs. steel; ASTM D1894
Coefficient of Friction, Static	0.31	vs. steel; ASTM D1894
Taber Abrasion, mg/1000 Cycles	16 - 19	CS 17 1000g:pad; ASTM-G195-13A

Electrical Properties	Original Value	Comments
Surface Resistivity per Square	5.30e+11 - 5.50e+11 ohm	ASTM D257
Dielectric Constant	3.2 - 10.2 @Frequency 1000 Hz	ASTM D150
Dielectric Strength	1.30 - 1.50 kV/mm	ASTM D149
Dissipation Factor	0.020 - 0.19 @Frequency 100000 Hz	ASTM D150

Thermal Properties	Original Value	Comments
CTE, linear	126 - 185 µm/m-°C	ASTM D696
Specific Heat Capacity	0.745 - 0.958 J/g-°C	DSC
Thermal Conductivity	0.144 - 0.180 W/m-K	ASTM D433
Melting Point	161 - 168 °C	ASTM D3418
	165 °C	10°C/min; Dry; ISO 11357-1/-3
Maximum Service Temperature, Air	150 °C	UL RTI
Deflection Temperature at 0.46 MPa (66 psi)	54.4 - 76.7 °C	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	43.3 - 54.4 °C	ASTM D648
	50.0 °C	Dry; ISO 75-1/-2
Glass Transition Temp, Tg	-41.1 - -39.4 °C	ASTM D7028
	-40.0 °C	10°C/min; Dry; ISO 11357-1/-2
Decomposition Temperature	375 °C	1% wt. loss, TGA, in air
	410 °C	1% wt. loss, TGA, in nitrogen
UL RTI, Electrical	150 °C	UL 746B
UL RTI, Mechanical without Impact	150 °C	UL 746B
Flammability, UL94	V-0 @Thickness 1.00 mm	Yellow Card Available; Dry; IEC 60695-11-10
	V-0 @Thickness 1.50 mm	Yellow Card Available; Dry; IEC 60695-11-10
	5VA @Thickness 1.00 mm	IEC 60695-11-20
Oxygen Index	42 %	ASTM D2863
	43 %	Dry; ISO 4589-1/-2

Optical Properties	Original Value	Comments
Refractive Index	1.41	sodium D line; ASTM D542

Processing Properties	Original Value	Comments
Processing Temperature	225 °C	Compression Molding; Molding Temperature; ISO 293

Descriptive Properties
Compression Molding Demolding Temperature (°C)	120	ISO 293
Compression Molding Time	3 min.	ISO 293
Moisture Sensitive	No

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PARKG926a / 291164

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