Chemours 4100 FEP Fluorinated Ethylene Propylene

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Chemours 4100 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: Grade specially designed to be melt extruded onto fine wire at high speed. Uses: Insulation for telecommunication and electronic data cabling. 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	Metric	English	Comments

Specific Gravity	2.15 g/cc	2.15 g/cc	ASTM D792
Water Absorption	<= 0.010 %	<= 0.010 %	24 hours; ASTM D570

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	56	56	ASTM D2240
Tensile Strength, Ultimate	23.0 MPa	3340 psi	ASTM D1457, 1708, 638
Elongation at Break	325 %	325 %	ASTM D 1457, 1708, 638
Flexural Modulus	0.586 GPa	85.0 ksi	ASTM D790
Izod Impact, Notched	NB	NB	ASTM D256
	NB @Temperature -60.0 °C	NB @Temperature -76.0 °F	ASTM D256
Coefficient of Friction	0.080 - 0.30	0.080 - 0.30	ASTM D1894

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+18 ohm-cm	>= 1.00e+18 ohm-cm	ASTM D257
Surface Resistivity per Square	>= 1.00e+16 ohm	>= 1.00e+16 ohm	ASTM D257
Dielectric Constant	2.02 @Frequency 1.30e+10 Hz	2.02 @Frequency 1.30e+10 Hz	ASTM D1531
	2.1 @Frequency 1e+6 Hz	2.1 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	53.0 kV/mm	1350 kV/in	100 micrometers film; ASTM D149
Dissipation Factor	0.00030 @Frequency 100000 Hz	0.00030 @Frequency 100000 Hz	ASTM D1531
	0.00060 @Frequency 1e+6 Hz	0.00060 @Frequency 1e+6 Hz	ASTM D150
Arc Resistance	>= 300 sec	>= 300 sec	ASTM D495

Thermal Properties	Metric	English	Comments
Melting Point	260 °C	500 °F	ASTM D3418
Maximum Service Temperature, Air	204 °C	399 °F
Flammability, UL94	V-0	V-0
Oxygen Index	>= 95 %	>= 95 %	ASTM D2863

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

Processing Properties	Metric	English	Comments
Processing Temperature	360 - 385 °C	680 - 725 °F	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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