Chemours Teflon™ 8A X Granular PTFE Resin

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Chemours Teflon™ 8A X Granular PTFE Resin
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Molded
Material Notes:	Teflon™ PTFE 8A X is a free-flowing white powder composed of relatively large particles and ideal for isostatic molding. Its most unique features are improved mold ability at lower pressure and improved surface smoothness of finished parts. It offers an excellent combination of properties that are characteristic of Teflon™ fluoroplastic resins. Teflon™ PTFE 8A X is often preferred for molding thick sheets and is sometimes used for ram extrusion of rod and tubing with thicker cross-sections. Properly processed products made from neat Teflon™ PTFE 8A X provide the superior properties typical of fluoroplastic resins. Many end products are fabricated from moldings of Teflon™ PTFE 8A X, such as: Ball valve seats, Seals, Discs, Lab ware, Pipe linings, Valves, Valve plugs, Ducting, Expansion bellows, Piston rings. Thick molded sheets are stock shapes made from Teflon™ PTFE 8A X. Information provided by Chemours.
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Physical Properties	Metric	English	Comments

Specific Gravity	2.15 g/cc	2.15 g/cc	ASTM D4894
Bulk Density	0.680 g/cc	0.0246 lb/in³	ASTM D4894
Water Absorption	<= 0.010 % @Time 86400 sec	<= 0.010 % @Time 24.0 hour	ASTM D570
Particle Size	490 µm	490 µm	Average; ASTM D4894

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	50 - 65	50 - 65	ASTM D2240
Tensile Strength	41.4 MPa @Thickness 0.130 mm	6000 psi @Thickness 0.00512 in	skived tape; ASTM D4894
Elongation at Break	330 % @Thickness 0.130 mm	330 % @Thickness 0.00512 in	skived tape; 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
	327 °C	621 °F	Second Peak; ASTM D4591
	342 °C	648 °F	Initial Peak; ASTM D4591
Flammability, UL94	V-0	V-0
Oxygen Index	>= 95 %	>= 95 %	ASTM D2863

Processing Properties	Metric	English	Comments
Moisture Content	<= 0.040 %	<= 0.040 %	ASTM D4894

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).
Thermal Instability Index	7.6		ASTM D4894
Weather Resistance (years unaffected)	20		Florida Exposure

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PDU8833 / 268760

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