Technical datasheet

Viton™ GBL-200S A

Supplied byChemours- Last Updated on Oct 13, 2025

Viton™ GBL-200S A by Chemours is a peroxide cured 68% fluorine fluoroelastomer. It is a terpolymer of hexafluoropropylene, vinylidene fluoride, tetrafluoroethylene, and a proprietary cure site monomer. It utilizes the latest Advanced Polymer Architecture (APA) and FWRD technology. It exhibits excellent fluid resistance to oils, hot water and steam, as well as acids.
  • It is ideal for blending with Viton™ GBL-600S to reach intermediate viscosity ranges and cures exceptionally fast to a high state of cure.
  • It offers excellent storage stability and outstanding compression set resistance with either low or no post-cure.
  • It is easily processable via injection molding in standard carbon black and mineral filled formulations.
  • It is manufactured without fluorinated surfactant.
  • Viton™ GBL-200S A exhibits excellent physical properties with high elongation, both original and aged in standard compounds and in formulations with no or low filler, even after aging.
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Viton™ GBL-200S A properties

Mechanical properties

PropertiesValue & unitTest conditionTest method
100% Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Compression Set0.0 Visible After LoginVisible After LoginVisible After Login
Compression Set0.0 Visible After LoginVisible After LoginVisible After Login
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Shore A0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Shore A0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Shore A0.0 Visible After LoginVisible After LoginVisible After Login
Maximum Torque (MH)0.0 Visible After LoginVisible After LoginVisible After Login
Minimum Torque (ML)0.0 Visible After LoginVisible After LoginVisible After Login
Tear Strength0.0 Visible After LoginVisible After LoginVisible After Login
Tear Strength0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Cure Time (T10)0.0 Visible After LoginVisible After LoginVisible After Login
Cure Time (T50)0.0 Visible After LoginVisible After LoginVisible After Login
Cure Time (T90)0.0 Visible After LoginVisible After LoginVisible After Login
Fluorine Content0.0 Visible After LoginVisible After LoginVisible After Login
Scorch Time (T10)0.0 Visible After LoginVisible After LoginVisible After Login
Scorch Time (T35)0.0 Visible After LoginVisible After LoginVisible After Login
Scorch Time (T5)0.0 Visible After LoginVisible After LoginVisible After Login
Scorch Time (Ts1)0.0 Visible After LoginVisible After LoginVisible After Login
Scorch Time (Ts1)0.0 Visible After LoginVisible After LoginVisible After Login
Scorch Time (Ts2)0.0 Visible After LoginVisible After LoginVisible After Login
Scorch Time (Ts2)0.0 Visible After LoginVisible After LoginVisible After Login
Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login
Viscosity, Mooney0.0 Visible After LoginVisible After LoginVisible After Login
Viscosity, Mooney0.0 Visible After LoginVisible After LoginVisible After Login
Viscosity, Mooney Initial0.0 Visible After LoginVisible After LoginVisible After Login
Viscosity, Mooney Minimum0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
Glass Transition Temperature (Tg)0.0 Visible After LoginVisible After LoginVisible After Login

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