Viton^® fluoroelastomers from DuPont Performance Elastomers are available from R.T. Vanderbilt in the U.S. and Canada, except for the U.S. West Coast.

  View Viton® Technical Literature
  Chemical Resistance Guide

                      Viton^® GBL-200S Sheets
Viton® GBL-200S is a next generation, easy processing, low viscosity, peroxide cured 68% fluorine fluoroelastomer based on new Advanced Polymer Architecture technology. Compared to the original Viton® GBL-200, Viton® GBL-200S shows better processability coupled with similar or improved fluids resistance in aromatic hydrocarbons, alcohols, water, steam, and acids.

• Is ideal for blending with Viton® GBL-600S to reach intermediate viscosity ranges
• Cures exceptionally fast to a high state of cure
• Exhibits improved mold release/mold fouling properties compared to Viton® GBL-900 and Viton® GBL-200
• Exhibits improved mold flow and less shear sensitivity than 65 Mooney Viton® GBL-600S
• Exhibits excellent physical properties with high elongation, both original and aged compounds
• Exhibits similar heat, fluids, and low-temperature resistance compared to Viton® GBL-200
• Exhibits excellent compression set resistance with little (2 hr) or no postcure

                      Viton^® GBL-600S
DuPont™ Viton® GBL-600S is a next generation, easy processing, peroxide cured 68% fluorine fluoroelastomer based on new Advanced Polymer Architecture technology. Compared to the original Viton® GBL-900, Viton® GBL-600S exhibits processability coupled with similar or improved fluids resistance in aromatic hydrocarbons, alcohols, water, steam, and acids.

• Cures exceptionally fast to a high state of cure
• Exhibits improved mold release/mold fouling properties compared to Viton® GBL-900 and Viton® GBL-200
• Exhibits improved mold flow, less shear sensitivity, and lower extruder die swell for a 65 Mooney FKM
• Exhibits excellent physical properties with high elongation, both original and aged
• Exhibits similar heat, fluids, and low-temperature resistance compared to Viton® GBL-900 and Viton® GBL-200
• Exhibits excellent compression set resistance with short (2 hr) or no postcure

                      Viton^® GBLT-600S
Viton® GBLT-600S is a one polymer alternative to GLT and GFLT for fuel seals and fuel injector O-rings

• Better low-temperature sealing than GFLT...40°C and below
• Better fuel/alcohol/methanol resistance than GLT
• Current GFLT and GLT auto specs could be combined into one specification

Viton® GBLT-600S derives additional benefits from new Advanced Polymer Architecture technology

• Physical modulus is low, elongation is high...parts are easier to stretch, more tear resistant in automated assembly equipment
• Cures exceptionally fast to a high state of cure
• Shows improved mold release/mold fouling properties compared to GLT and GFLT
• Shows excellent compression set resistance with little (2 hr at 232°C) or no postcure

It is recommended to use at least 72% load factor in an internal mixer.

                      Viton^® GF-200S
Viton® GF-600S fluoroelastomer 70% fluorine, peroxide-cured floroelastomer similar to Viotn® GF-600S but with a significantly lower gum polymer viscosity of ~25 (ML @ 121°C). GF-200S utilizes the latest technology from DuPont Performance Elastoners, Advanced Polymer Architecture (APA), which includes a novel peroxide cure site along with an optimized molecular weight distribution.

• Excellent fluid resistance to aromatic hydrocarbons, alcohols including methanol, oils, steam, and acids
• Is ideal for blending with Viton® GF-600S to reach intermediate viscosity ranges for injection molding
• Improved mold release / mold fouling properties
• Improved mold flow and less shear senditivity than 65 Mooney Viton® GF-600S
• Excellent physical properties with high elongation, both original and aged
• Heat, fluids, and low-temperature properties comparable to Viton® GF and GF-600S
• Improved water resistance / lower volume swell in water
• Excellent compression set resistance with either low or no postcure

A load factor of 72%+ for internal mixing of GF-600S is suggested.

                      Viton^® GF-600S
Viton® GF-600S is a next generation, easy processing, peroxide cure 70% fluorine fluoroelastomer based on new Advanced Polymer Architecture. Compared to the original Viton® GF, Viton® GF-600S exhibits better processability coupled with similar or improved fluids resistance in aromatic hydrocarbons, alcohols, including methanol, water, steam, and acids.

• Cures exceptionally fast to a high state of cure
• Exhibits improved mold release/mold fouling properties compared to Viton® GF
• Exhibits improved mold flow, less shear sensitivity, and lower extruder die swell for a ~65 Mooney FKM
• Exhibits excellent physical properties with high elongation, both original and aged
• Exhibits similar heat, fluids, and low-temperature resistance compared to Viton® GF
• Exhibits excellent compression set resistance with short (2 hr) or no postcure

A load factor of >70% for internal mixing of Viton® GF-600S is recommended.

                      Viton^® GFLT-200S
DuPont™ Viton® GFLT-200S fluoroelastomer is a low viscosity 67% fluorine, peroxide-cured, low-temperature fluoroelastomer. GFLT-200S utilizes the latest technology from DuPont, Advanced Polymer Architecture (APA), which includes a novel peroxide cure site along with an optimized molecular weight distribution.

• Is ideal for blending with Viton® GFLT-600S to reach intermediate viscosity ranges for injection and transfer molding
• Heat, fluids, and low-temperature resistance comparable to Viton® GFLT-300 and GFLT-301
• Cures exceptionally fast to a high state of cure
• Improved mold release/mold fouling properties
• Improved mold flow and less shear sensitivity for a 25 Mooney peroxy cured FKM
• Good physical properties with high elongation, both original and aged
• Improved water resistance/lower volume swell in water
• Excellent compression set resistance with either low or no postcure

A load factor of 72%+ for internal mixing of GFLT-200S is preferred.

                      Viton^® GFLT-600S
DuPont™ Viton® GFLT-600S fluoroelastomer is a 67% fluorine, peroxide-cured, low temperature fluoroelastomer. GFLT-600S utilizes the latest technology from DuPont, Advanced Polymer Architecture (APA), which includes a novel peroxide cure site along with an optimized molecular weight distribution.

• Cures exceptionally fast to a high state of cure
• Similar to improved low temperature properties compared to Viton® GFLT
• Improved mold release/mold fouling properties
• Improved mold flow and less shear sensitivity for a 65 Mooney peroxy cured FKM
• Excellent physical properties with high elongation, both original and aged
• Heat, fluids, and low-temperature resistance comparable to Viton® GFLT
• Improved water resistance/lower volume swell in water
• Excellent compression set resistance with either low or no postcure

A load factor of 72%+ for internal mixing of GFLT-600S is preferred.

                      Viton^® GLT-200S
Viton® GLT-200S fluoroelastomer is a 64% fluorine, peroxide-cured, low temperature fluoroelastomer similar to Viton® GLT-600S but with a significantly lower gum polymer viscosity of ~25 (ML at 121°C). GLT-200S utilizes the latest technology from DuPont, Advanced Polymer Architecture (APA), which includes a novel peroxide cure site along with an optimized molecular weight distribution.

• Cures exceptionally fast to a high state of cure
• Is ideal for blending with Viton® GLT-600S to reach intermediate viscosity ranges for injection molding
• Improved mold release/mold fouling properties
• Improved mold flow and less shear sensitivity than 65 Mooney Viton® GLT-600S
• Excellent physical properties with high elongation, both original and aged
• Heat, fluids, and low-temperature resistance comparable to Viton® GLT and new GLT-600S
• Improved water resistance/lower volume swell in water
• Excellent compression set resistance with either low or no postcure

A load factor of 72%+ for internal mixing of GLT-200S is recommended.

                      Viton^® GLT-600S
DuPont™ Viton® GLT-600S fluoroelastomer is a 64% fluorine, peroxide-cured, low temperature fluoroelastomer. GLT-600S utilizes the latest technology from DuPont, Advanced Polymer Architecture (APA), which includes a novel peroxide cure site along with an optimized molecular weight distribution.

• Cures exceptionally fast to a high state of cure
• Similar to improved low temperature properties compared to Viton® GLT
• Improved mold release/mold fouling properties
• Improved mold flow and less shear sensitivity for a 65 Mooney peroxy cured FKM
• Excellent physical properties with high elongation, both original and aged
• Heat, fluids, and low-temperature resistance comparable to Viton® GLT
• Improved water resistance / lower volume swell in water
• Excellent compression set resistance with either low or no postcure

A load factor of 72%+ for internal mixing of GLT-600S is preferred.

Extreme Types

          Viton^® Extreme^™ ETP-600S Sheet
A new Viton® "Extreme" fluoroelastomer, formerly known as VTR-8710, utilizes DuPont Dow’s new Advanced Polymer Architecture technology which significantly improves processing and curing characteristics. Advanced Polymer Architecture technology in Viton® Extreme™ ETP-600S Sheet upgraded the peroxide curesite along with optimizing the molecular architecture to deliver a polymer which:

• Cures faster and to a higher state of cure when compared to Viton® ETP-900 and ETP-500
• Shows improved mold release/mold fouling properties compared to Viton® ETP-900 and ETP-500
• Shows improved mold flow, less shear sensitivity for a 65 Mooney FKM
• Shows improved compression set resistance when compared to Viton® ETP-900 and ETP-500
• Shows the same broad fluid resistance of all Viton® ETP "Extreme" polymers

Viton® is a registered trademark of DuPont Performance Elastomers LLC.
Extreme™ is a trademark of DuPont Performance Elastomers LLC.