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DuPont Elastomers VTR 8650 (GBL-S) 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
VTR 8650100
Zinc Oxide3
N990 Carbon Black30
Diak™ 7 (TAIC)3
Luperox® 101-XL peroxide3

Description: VTR-8650 is a new, developmental 68% fluorine peroxide cured polymer similar to Viton® GBL-900 but with significantly improved processing and curing characteristics. VTR-8650 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 Viton® GBL-900 and 200
  • Shows improved mold flow, less shear sensitivity, and lower extruder die swell for a ~65 Mooney FKM
  • Shows excellent physical properties with high elongation, both original and aged
  • Shows similar heat, fluids, and low temperature resistance compared to Viton® GBL-900 and 200
  • Shows improved water resistance/volume swell in water compared to Viton® GBL-900 and 200
  • Shows excellent compression set resistance with either low 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-8650 is 0.5 phr of Armeen® 18D.

Information provided by manufacturer.

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

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