Chemours Viton® A-500 Fluoroelastomer Compound

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Chemours Viton® A-500 Fluoroelastomer Compound
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Improved compression molding Better mold release Less mold fouling Faster cure rate Improved compression set resistance Applications Compression and transfer molding such as O-rings, gaskets, and seals Profile extrusion Calendered goods Chemours was formed from former DuPont performance chemicals businesses, including the Viton product line, in 2015.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.82 g/cc	1.82 g/cc	Uncompounded Viton
Mooney Viscosity	50 @Temperature 121 °C	50 @Temperature 250 °F	ML (1+10), Uncompounded Viton; ASTM D1646

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	78	78	ASTM D2240
Tensile Strength at Break	15.6 MPa	2260 psi	ASTM D412
Elongation at Break	195 %	195 %	ASTM D412
100% Modulus	7.20 MPa @Strain 100 %	1040 psi @Strain 100 %	ASTM D412
Compression Set	9.0 % @Temperature 200 °C, Time 79200 sec	9.0 % @Temperature 392 °F, Time 22.0 hour	O-Rings; ASTM D395B
	15 % @Temperature 200 °C, Time 252000 sec	15 % @Temperature 392 °F, Time 70.0 hour	O-Rings; ASTM D395B
	26 % @Temperature 200 °C, Time 1.21e+6 sec	26 % @Temperature 392 °F, Time 336 hour	O-Rings; ASTM D395B
	31 % @Temperature 232 °C, Time 252000 sec	31 % @Temperature 450 °F, Time 70.0 hour	O-Rings; ASTM D395B

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	204 °C	399 °F	Continuous use
	>= 260 °C	>= 500 °F	Intermittent use
Minimum Service Temperature, Air	-23.0 - -18.0 °C	-9.40 - -0.400 °F	Viton is generally useful down to -18 to -23°C.

Processing Properties	Metric	English	Comments
Processing Temperature	177 °C @Time 601 sec	351 °F @Time 0.167 hour	Press Cure
	232 °C @Time 86400 sec	450 °F @Time 24.0 hour	Postcure

Descriptive Properties
Color	Silver-Gray		Uncompounded Viton
Form	Free-flowing pellets		Uncompounded Viton
Formulation as Tested	0.5		VPA No.1
	0.5		VPA No.3
	2.5		Viton® Curative #50
	3		MgO
	30		MT Black
	6		Ca(OH)2
	96.5		A-500
Odor	None		Uncompounded Viton
Storage Stability	Excellent		Uncompounded Viton

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.

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PDVC9926 / 170567

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