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-8500	100
Zinc Oxide	3
N990 Carbon Black	30
Diak™ 7	3
Luperox® 101-XL	3

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.