Arkema Kynar Flex® 2850 WR PVDF

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Arkema Kynar Flex® 2850 WR PVDF
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Physical Properties	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Shore D	70 - 75	ASTM D2240
Tensile Strength at Break	27.6 - 48.3 MPa	ASTM D638
Tensile Strength, Yield	35.0 MPa	Dry; ISO 527-1/-2
	31.0 - 41.4 MPa	ASTM D638
Elongation at Break	>= 50 %	Dry; ISO 527-1/-2
	30 - 200 %	ASTM D638
Elongation at Yield	5.0 - 15 %	ASTM D638
	10 %	Dry; ISO 527-1/-2
Tensile Modulus	1030 - 1520 MPa	ASTM D638
Flexural Strength	20.7 - 34.5 MPa @Strain 5.0 %	ASTM D790
Flexural Modulus	1030 - 1240 MPa	ASTM D790
Compressive Strength	41.4 - 58.6 MPa	ASTM D695
Izod Impact, Notched	160 - 427 J/m	ASTM D256
Izod Impact, Unnotched	NB	ASTM D256
Coefficient of Friction, Dynamic	0.19	vs. steel; ASTM D1894
Coefficient of Friction, Static	0.25	vs. steel; ASTM D1894
Taber Abrasion, mg/1000 Cycles	6.0 - 9.0	CS 17 1000g:pad; ASTM-G195-13A

Electrical Properties	Original Value	Comments
Volume Resistivity	2.00e+14 ohm-cm	65% R.H; ASTM D257
	2.00e+14 ohm-cm	Dry; IEC 60093
Dielectric Constant	3.5 - 10.2 @Frequency 1000 Hz	ASTM D150
Dielectric Strength	1.30 - 1.60 kV/mm	ASTM D149
Dissipation Factor	0.010 - 0.22 @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	155 - 160 °C	ASTM D3418
	158 °C	10°C/min; Dry; ISO 11357-1/-3
Maximum Service Temperature, Air	140 °C	UL RTI
Deflection Temperature at 0.46 MPa (66 psi)	60.0 - 75.0 °C	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	46.0 °C	Dry; ISO 75-1/-2
	37.8 - 55.0 °C	ASTM D648
Glass Transition Temp, Tg	-40.6 - -38.3 °C	ASTM D7028
Decomposition Temperature	375 °C	1% wt. loss, TGA, in air
	410 °C	1% wt. loss, TGA, in nitrogen
Flammability, UL94	V-0 @Thickness 0.800 mm	IEC 60695-11-10
Oxygen Index	43 %	ASTM D2863
	43 %	Dry; ISO 4589-1/-2

Optical Properties	Original Value	Comments
Refractive Index	1.42	sodium D line; ASTM D542

Descriptive Properties
Moisture Sensitive	No

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