Chemours Tefzel™ ETFE HT-2188 Special purpose fluoroplastic resin

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Chemours Tefzel™ ETFE HT-2188 Special purpose fluoroplastic resin
Categories:	Polymer; Thermoplastic; Fluoropolymer; ETFE/ECTFE; Fluorocarbon ETFE/ECTFE, Molded/Extruded
Material Notes:	Tefzel™ ETFE HT-2188 is a special purpose fluoroplastic resin available in translucent, 2.5-mm (0.1-in) pellets. Compared with other grades of Tefzel™ , it has a higher flow rate, low melting point, and high flexural endurance. Tefzel™ ETFE HT-2188 and the other Tefzel™ fluoroplastics are melt processible, modified copolymers of ethylene and tetrafluoroethylene. They are high-performance resins that can be processed at relatively high rates compared with fluorocarbon resins. They are mechanically tough and offer an excellent balance of properties. Tefzel™ ETFE HT-2188 is ideal for many end products, including electrical components, such as sleeving, coil forms, sockets, connectors, and switches; lab ware, such as tubing, valves, containers, and fasteners; battery or instrument components that require chemical inertness; and mechanical parts. Information provided by Chemours.
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Physical Properties	Original Value	Comments

Specific Gravity	1.70 g/cc	ASTM D792
Bulk Density	1.30 g/cc	Chemours Test
Water Absorption	0.0070 % @Time 86400 sec	ASTM D270
Melt Flow	15 g/10 min	ASTM D3159

Mechanical Properties	Original Value	Comments
Tensile Strength	40.0 MPa	ASTM D638
Elongation at Break	250 %	ASTM D1457
Elongation, Ultimate	300 %	ASTM D638
Flexural Modulus	0.860 GPa	ASTM D790
Compressive Strength	38.0 MPa	ASTM D695
Flex Crack Resistance	10000 - 27000	Cycles MIT Folding Endurance; ASTM D2176
Izod Impact, Notched	NB	ASTM D256
Coefficient of Friction	0.030 - 0.40	ASTM D1894

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+15 ohm-cm @Frequency 1e+6 Hz	ASTM D257
Surface Resistivity per Square	>= 1.00e+15 ohm	ASTM D257
Dielectric Constant	2.5 - 2.6 @Frequency 1e+6 Hz	ASTM D1531
Dielectric Strength	70.0 kV/mm @Thickness 0.250 mm	ASTM D150
Dissipation Factor	0.0090 @Frequency 1e+6 Hz	ASTM D1531
Arc Resistance	122 sec	ASTM D495

Thermal Properties	Original Value	Comments
CTE, linear	126 µm/m-°C @Temperature 0.000 - 100 °C	ASTM D696
Melting Point	230 °C	ASTM D3418
Maximum Service Temperature, Air	150 °C	UL 746
Flammability, UL94	V-0
Oxygen Index	30 - 32 %	ASTM D2863

Descriptive Properties
Chemical/Solvent Resistance	Excellent	ASTM D543
Heat of Combustion	13.7 MJ/kg	ASTM D240
Salt Spray Resistance Coatings (hours)	1000	ASTM B117. 5% NaCl at 35 °C (95 °F).
Weather and Chemical Resistance	Excellent
Weather Resistance (years unaffected)	15	Florida Exposure

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PDU8780 / 268706

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