Chemours 160 FEP Fluorinated Ethylene Propylene

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Chemours 160 FEP Fluorinated Ethylene Propylene (discontinued **)
Categories:	Polymer; Thermoplastic; Fluoropolymer; Fluorinated Ethylene Propylene (FEP)
Material Notes:	DuPont FEP meets the ASTM specification for FEP - Fluorocarbon Molding and Extrusion Materials under ASTM Designation D2116-95a. Has excellent chemical resistance, superior electrical properties, high service temperatures, outstanding low temperature toughness and unique flame resistance. Processed by conventional melt-extrusion and molding techniques. Resin Characteristics: Premium resin with enhanced ESCR. Lowest melt flow rate of 100 series. Uses: Films; chemical linings; large heat-shrinkable tubing for roll covers; high-stress applications Chemours was formed from former DuPont performance chemicals businesses, including DuPont Fluoroproducts, in 2015. This specific product was discontinued prior to the formation of Chemours.
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Physical Properties	Original Value	Comments

Specific Gravity	2.14 g/cc	ASTM D762
Water Absorption	<= 0.010 %	24 hours; ASTM D570
Melt Flow	1.2 g/10 min	ASTM D2116

Mechanical Properties	Original Value	Comments
Hardness, Shore D	56	ASTM D2240
Tensile Strength, Ultimate	34.0 MPa	ASTM D1708
Elongation at Break	320 %	ASTM D1708
Flexural Modulus	0.586 GPa	ASTM D790
Compressive Yield Strength	15.2 MPa @Strain 5.0 %	ASTM D695
Izod Impact, Notched	NB	ASTM D256
	NB @Temperature -60.0 °C	ASTM D256
Coefficient of Friction	0.080 - 0.30	ASTM D1894

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+18 ohm-cm	ASTM D257
Surface Resistivity per Square	>= 1.00e+16 ohm	ASTM D257
Dielectric Constant	2.04 @Frequency 1.30e+10 Hz	ASTM D1531
	2.05 @Frequency 1e+6 Hz	ASTM D1531
Dielectric Strength	70.9 kV/mm	10 mil film; ASTM D149
	20.0 kV/mm @Thickness 3.18 mm	ASTM D149
Dissipation Factor	0.000060 @Frequency 1000 Hz	ASTM D1531
	0.00030 @Frequency 100000 Hz	ASTM D1531
	0.00060 @Frequency 1e+6 Hz	ASTM D1531
	0.00070 @Frequency 1.30e+10 Hz	ASTM D1531
	0.0011 @Frequency 1e+9 Hz	ASTM D1531
Arc Resistance	>= 300 sec	ASTM D495

Thermal Properties	Original Value	Comments
Heat of Fusion	11.6 J/g	DSC; ASTM D3417
CTE, linear	135 µm/m-°C @Temperature 0.000 - 100 °C	ASTM E831
	234 µm/m-°C @Temperature 100 - 150 °C	ASTM E831
	278 µm/m-°C @Temperature 150 - 200 °C	ASTM E831
Specific Heat Capacity	0.268 BTU/lb-°F @Temperature 25.0 °C	DSC
	0.294 BTU/lb-°F @Temperature 100 °C	DSC
	0.315 BTU/lb-°F @Temperature 150 °C	DSC
Melting Point	263 °C	ASTM DTA-E168
Maximum Service Temperature, Air	204 °C
Deflection Temperature at 0.46 MPa (66 psi)	74.0 °C	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	48.0 °C	ASTM D648
Flammability, UL94	V-0
Oxygen Index	>= 95 %	ASTM D2863

Optical Properties	Original Value	Comments
Refractive Index	1.341 - 1.347
Transmission, Visible	96 %	thin film; solar transmission
IR Transmittance	95 %	thin film; 0.70 to 3.5 µm

Processing Properties	Original Value	Comments
Processing Temperature	360 - 385 °C	Cure Temperature

Descriptive Properties
20% Hydrochloric Acid Transmission, g/100sq in.	<0.02
50% Sodium Hydroxide Transmission, g/100sq in.	<.02
Acetic Acid Transmission, g/100sq in.	0.41
Acetone Transmission, g/100sq in.	0.95
Acetophenone Transmission, g/100sq in.	0.5
Benzene Transmission, g/100sq in.	0.64
Carbon Tetrachloride Transmission, g/100sq in.	0.31
Chemical/Solvent Resistance	Excellent
Detergent Resist. on grit-blasted aluminum, Hours	600
Detergent Resistance on aluminum, Hours	744
Detergent Resistance on grit-blasted steel, Hours	480
Ethyl Acetate Transmission, g/100sq in.	0.76
Folding Endurance, # cycles, .18-.20 mm	5-80 E3
Heat of Combustion J/g	5100	ASTM D240
Hexane Transmission, g/100sq in.	0.56
Piperidine Transmission, g/100sq in.	0.04
Red Fuming Nitric Acid Transmission, g/100sq in.	7.5-1.4
Salt Spray Resistance on aluminum, Hours	>744
Sulfuric Acid Transmission, g/100sq in.	0.00001
Water Transmission, g/100sq in.	0.4
Weather Resistance	20	Years unaffected in Florida Exposure

**
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