Chemours Viton® A-401C with 45 MT Black Fluoroelastomer Compound

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Chemours Viton® A-401C with 45 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	Original Value	Comments

Mooney Viscosity	98 @Temperature 121 °C	ML (1+10), Uncompounded Viton; ASTM D1646

Mechanical Properties	Original Value	Comments
Hardness, Shore A	81	No Postcure; ASTM D2240
	84	24 hours Postcure; ASTM D2240
Tensile Strength at Break	9.80 MPa	No Postcure; ASTM D412
	13.9 MPa	24 hours Postcure; ASTM D412
Elongation at Break	156 %	24 hours Postcure; ASTM D412
	223 %	No Postcure; ASTM D412
100% Modulus	0.00610 GPa @Strain 100 %	No Postcure; ASTM D412
	0.00940 GPa @Strain 100 %	24 hours Postcure; ASTM D412
Compression Set	9.0 % @Temperature 23.0 °C, Time 252000 sec	O-Rings; ASTM D395B
	18 % @Temperature 200 °C, Time 252000 sec	O-Rings; ASTM D395B
	26 % @Temperature 200 °C, Time 605000 sec	O-Rings; ASTM D395B
	33 % @Temperature 200 °C, Time 1.21e+6 sec	O-Rings; ASTM D395B
	41 % @Temperature 232 °C, Time 252000 sec	O-Rings; ASTM D395B

Processing Properties	Original Value	Comments
Processing Temperature	177 °C @Time 601 sec	Slab Cure
	232 °C @Time 86400 sec	Postcure

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

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PDVC9915 / 170556

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