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Elmet Technologies

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Chemours Viton® A-700 with 3 phr Curative and 6 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 PropertiesOriginal ValueComments
Hardness, Shore A 76Cured 10 min at 177°C and Post Cured 24 hr at 232°C; ASTM D2240-91
Tensile Strength, Ultimate 12.7 MPaCured 10 min at 177°C and Post Cured 24 hr at 232°C; ASTM D412-92
Elongation at Break 160 %Cured 10 min at 177°C and Post Cured 24 hr at 232°C; ASTM D412-92
100% Modulus 0.00790 GPa
@Strain 100 %
Cured 10 min at 177°C and Post Cured 24 hr at 232°C; ASTM D412-92
Tear Strength 21.3 kN/mDie C, Cured 10 min at 177°C and Post Cured 24 hr at 232°C
Compression Set 11 %
@Temperature 200 °C
Method B, O-rings 70 hr; ASTM D1414-94
 
Descriptive Properties
Formulation as Tested3Maglite® D
 3Viton® Curative No. 50
 30MT Black (N-990)
 6Calcium Hydroxide
 97Viton® A-700

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