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DuPont Elastomers VTR GLT Peroxide Cured Fluoroelastomer (FKM) Formulation

 

Subcategory: Fluoropolymer, TS; Elastomer, TS; Thermoset

Close Analogs: This former DuPont Dow Elastomers product line is now produced by DuPont Performance Elastomers.

Material Notes:
Formulation
Viton® VTR-8500100
Zinc Oxide3
N990 Carbon Black30
Diak™ 73
Luperox® 101-XL3

Description: Viton® VTR-8500 is a new, developmental peroxide cured polymer intended to be an upgrade to Viton® GLT. VTR-8500 utilizes a revolutionary new 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.

Available Properties
  • Hardness, Shore A
  • Tensile Strength, Ultimate
  • Elongation at Break
  • Modulus of Elasticity
  • 100% Modulus
  • Compression Set, Elevated Temperature
  • Brittleness Temperature
  • Glass Temperature
  
Property Data

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