Chemours Viton® A-361C with Nyad 400 Fluoroelastomer Compound

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Chemours Viton® A-361C with Nyad 400 Fluoroelastomer Compound
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Intermediate viscosity level (when compared with Viton® A-201C/Viton® A-401C) Fully precompounded with reduced curative level and Incorporated metal adhesion promoter Improved processing with increased mold flow, easier mold release with less mold fouling, and improved demolding “hot tear” Good metal bonding with standard industrial primers Applications Compression, transfer, and injection molding of: O-rings and gaskets, Valve stem and crankshaft seals (and other bonded parts requiring fluid and heat resistance of the A-family of Viton®) 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	61 @Temperature 121 °C	61 @Temperature 250 °F	ML (1+10), Uncompounded Viton; ASTM D1646

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	66	66	No Postcure; ASTM D2240
	70	70	24 hours Postcure; ASTM D2240
Tensile Strength at Break	7.10 MPa	1030 psi	No Postcure; ASTM D412
	10.3 MPa	1490 psi	24 hours Postcure; ASTM D412
Elongation at Break	235 %	235 %	24 hours Postcure; ASTM D412
	312 %	312 %	No Postcure; ASTM D412
100% Modulus	3.30 MPa @Strain 100 %	479 psi @Strain 100 %	No Postcure; ASTM D412
	5.40 MPa @Strain 100 %	783 psi @Strain 100 %	24 hours Postcure; ASTM D412
Compression Set	7.0 % @Temperature 23.0 °C, Time 252000 sec	7.0 % @Temperature 73.4 °F, Time 70.0 hour	O-Rings; ASTM D395B
	16 % @Temperature 200 °C, Time 252000 sec	16 % @Temperature 392 °F, Time 70.0 hour	O-Rings; ASTM D395B
	35 % @Temperature 232 °C, Time 252000 sec	35 % @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		A361C
	3		MgO
	30		Nyad 400
	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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PDVC9909 / 170550

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