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Visit Zeus Inc. for Fluoropolymer Tubing
DuPont Performance Polymers VTR GLT Peroxide Cured Fluoroelastomer (FKM) Formulation
Categories: Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)

Material Notes: Viton® VTR-8500 is a peroxide cured polymer intended to be an upgrade to Viton® GLT. VTR-8500 utilizes an Advanced Polymer Architecture technology which includes a new peroxide cure site along with an optimized molecular weight distribution designed to deliver a polymer which:
  • Cures exceptionally fast to a high state of cure
  • Shows improved mold release/mold fouling properties compared to GLT and GLT 305
  • Shows improved mold flow, less shear sensitivity, and lower extruder die swell for a ~65 Mooney FKM
  • Shows excellent physical properties with high elongation in either the original or aging tests
  • Shows similar to improved heat, fluids, and low temperature resistance compared to GLT
  • Shows excellent compression set resistance with little (2 hr at 232°C ) or no postcure

It is recommended if mixing in an internal mixer to use at least a 70% load factor. The recommended process aid for VTR-8500 is 0.5 phr of Armeen® 18D.

Information provided by manufacturer.

DuPont and Dow have completed their merger but further transactions/spinoffs are planned.

Vendors:
Available Properties
  • Hardness, Shore A, Cured 7 min at 177°C and Post Cured 16 hr at 232°C
  • Tensile Strength, Ultimate, Cured 7 min at 177°C and Post Cured 16 hr at 232°C
  • Elongation at Break, Cured 7 min at 177°C and Post Cured 16 hr at 232°C
  • Modulus of Elasticity, 10% Modulus, Cured 7 min at 177°C and Post Cured 16 hr at 232°C
  • 100% Modulus, Cured 7 min at 177°C and Post Cured 16 hr at 232°C
  • Compression Set, Method B, O-rings 22 hr at 200°C (Cured 7 min at 177°C and Post Cured 16 hr at 232°C)
  • Brittleness Temperature, TR-10
  • Glass Transition Temp, Tg, DSC
  
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Manufacturer Notes:
DuPont Performance Polymers (Former DuPont Elastomers)

Category Notes
Plastic

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Visit Zeus Inc. for Fluoropolymer Tubing
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