Chemours Teflon™ NXT 75 Modified Granular PTFE Resin

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Chemours Teflon™ NXT 75 Modified Granular PTFE Resin
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Molded
Material Notes:	Teflon™ PTFE NXT 75 is a chemically modified PTFE polymer. When properly processed, it offers an excellent combination of properties that are characteristic of Teflon™ fluoroplastic resins. This resin offers improved resistance to deformation under load, increased resistance to permeation of chemicals, and a higher dielectric breakdown voltage. It also provides a high degree of weld ability for applications where the use of elevated pressure and temperature are limited. Teflon™ NXT 75 is a fine-cut resin designed for general compression molding of blocks and sheets. It can be used for: • Seal rings, Valve seats, Bearing pads, Linings. It can also be used as a base resin for filled compounds. Teflon™ PTFE NXT 75 is particularly useful in applications where welding of parts to other fluoroplastics such as PFA or standard PTFE is required, e.g., fluid-handling systems. Information provided by Chemours.
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Physical Properties	Metric	English	Comments

Specific Gravity	2.17 g/cc	2.17 g/cc	ASTM D4894
Bulk Density	0.400 g/cc	0.0145 lb/in³	ASTM D4894
Water Absorption	<= 0.010 % @Time 86400 sec	<= 0.010 % @Time 24.0 hour	ASTM D570
Particle Size	33 µm	33 µm	Average; ASTM D4894
Deformation	3.2 % @Pressure 14.0 MPa, Temperature 23.0 °C	3.2 % @Pressure 2030 psi, Temperature 73.4 °F	24 hours; ASTM D621 Method A

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	50 - 65	50 - 65	ASTM D2240
Tensile Strength	41.4 MPa	6000 psi	ASTM D4894
Elongation at Break	600 %	600 %	ASTM D4894
Flexural Modulus	0.496 GPa	71.9 ksi	ASTM D790
Flex Crack Resistance	>= 1.00e+6	>= 1.00e+6	Cycles MIT Folding Endurance; ASTM D2176
Izod Impact, Notched	1.87 J/cm	3.50 ft-lb/in	ASTM D256
Coefficient of Friction	0.050 - 0.10	0.050 - 0.10	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+18 ohm	>= 1.00e+18 ohm	ASTM D257
Dielectric Constant	2.1 @Frequency 1e+6 Hz	2.1 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	18.0 kV/mm @Thickness 0.100 mm	457 kV/in @Thickness 0.00394 in	ASTM D149
Dissipation Factor	<= 0.00010 @Frequency 1e+6 Hz	<= 0.00010 @Frequency 1e+6 Hz	ASTM D150
Arc Resistance	>= 300 sec	>= 300 sec	ASTM D495

Thermal Properties	Metric	English	Comments
Melting Point	327 °C	621 °F	ASTM D3418
Flammability, UL94	V-0	V-0
Oxygen Index	>= 95 %	>= 95 %	ASTM D2863

Descriptive Properties
Chemical/Solvent Resistance	Excellent		ASTM D543
Detergent Resistance (hours)	24		On grit blast aluminum
	264
	624		On aluminum
Heat of Combustion	5.1 MJ/kg		ASTM D240
Salt Spray Resistance Coatings (hours)	192		ASTM B117. 5% NaCl at 35 °C (95 °F). On aluminum.
	744+		ASTM B117. 5% NaCl at 35 °C (95 °F).
Weather Resistance (years unaffected)	20		Florida Exposure

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PDU8836 / 268763

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