Chemours Viton® A-700 with 2.5 phr Curative and 3 phr Ca(OH) 2

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Chemours Viton® A-700 with 2.5 phr Curative and 3 phr Ca(OH)₂
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Viton® A-700 is an “A-family” gum polymer that has demonstrated easy processing. This gum provides: Improved compression set resistance Good flow for compression molding Good mold release Less mold fouling Improved compression set resistance Improved tear properties Applications: Compression molding of O-rings, gaskets, and other sealing devices Extruded cords, profiles and tubing, or calendered sheets, when a blend of gum polymers are used Blending with other polymers for viscosity modification Information provided by manufacturer. Chemours was formed from former DuPont performance chemicals businesses, including the Viton product line, in 2015.
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Mechanical Properties	Metric	English	Comments

Hardness, Shore A	72	72	Cured 10 min at 177°C and Post Cured 24 hr at 232°C; ASTM D2240-91
Tensile Strength, Ultimate	12.8 MPa	1860 psi	Cured 10 min at 177°C and Post Cured 24 hr at 232°C; ASTM D412-92
Elongation at Break	210 %	210 %	Cured 10 min at 177°C and Post Cured 24 hr at 232°C; ASTM D412-92
100% Modulus	5.90 MPa @Strain 100 %	856 psi @Strain 100 %	Cured 10 min at 177°C and Post Cured 24 hr at 232°C; ASTM D412-92
Tear Strength	21.4 kN/m	122 pli	Die C, Cured 10 min at 177°C and Post Cured 24 hr at 232°C
Compression Set	12 % @Temperature 200 °C	12 % @Temperature 392 °F	Method B, O-rings 70 hr; ASTM D1414-94

Descriptive Properties
Formulation as Tested	2.5		Viton® Curative No. 50
	3		Maglite® D
	3		Calcium Hydroxide
	30		MT Black (N-990)
	97.5		Viton® A-700

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