Chemours Viton® A-401C with MT Black Fluoroelastomer Compound

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Chemours Viton® A-401C with MT Black Fluoroelastomer Compound
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Fully precompounded for O-ring curative level Improved compression molding with increased mold flow, easier mold release, and less mold fouling Improved extrusion Increased cure rate Improved compression set resistance Same mold shrinkage as Viton® E-60C Applications Viton® A-401C is highly recommended for O-rings, extruded cord, gaskets, seals, and profiles. Viton® A-401C can be formulated to meet fluoroelastomer specifications Mil-R-83248B, AMS 7276D, and AMS 7259A. 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

Mooney Viscosity	80 @Temperature 121 °C	80 @Temperature 250 °F	ML (1+10), Uncompounded Viton; ASTM D1646

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	74	74	No Postcure; ASTM D2240
	75	75	24 hours Postcure; ASTM D2240
Tensile Strength at Break	9.90 MPa	1440 psi	No Postcure; ASTM D412
	13.4 MPa	1940 psi	24 hours Postcure; ASTM D412
Elongation at Break	199 %	199 %	24 hours Postcure; ASTM D412
	257 %	257 %	No Postcure; ASTM D412
100% Modulus	4.60 MPa @Strain 100 %	667 psi @Strain 100 %	No Postcure; ASTM D412
	6.40 MPa @Strain 100 %	928 psi @Strain 100 %	24 hours Postcure; ASTM D412
Compression Set	6.0 % @Temperature 23.0 °C, Time 252000 sec	6.0 % @Temperature 73.4 °F, Time 70.0 hour	O-Rings; ASTM D395B
	15 % @Temperature 200 °C, Time 252000 sec	15 % @Temperature 392 °F, Time 70.0 hour	O-Rings; ASTM D395B
	21 % @Temperature 200 °C, Time 605000 sec	21 % @Temperature 392 °F, Time 168 hour	O-Rings; ASTM D395B
	29 % @Temperature 200 °C, Time 1.21e+6 sec	29 % @Temperature 392 °F, Time 336 hour	O-Rings; ASTM D395B
	37 % @Temperature 232 °C, Time 252000 sec	37 % @Temperature 450 °F, Time 70.0 hour	O-Rings; ASTM D395B

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

Descriptive Properties
Formulation as Tested	100		A401C
	3		MgO
	30		MT Black
	6		Ca(OH)2

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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PDVC9920 / 170561

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