Base-Resistant Fluoroelastomer
Viton® for Base Resistance is a new offering that has the performance equivalent to other TFE elastomers currently on the market. Aflas® is the most commonly used name to represent this family of TFE elastomers.

Viton® for Base Resistance Fluoroelastomer resists property loss in exposure to basic chemicals such as primary and secondary amines, and strong caustics, such as potassium, sodium, and ammonium hydroxide.

Viton® for Base Resistance Fluoroelastomers is recommended for molded and calendered products that are exposed to high pH fluids.

Typical Properties

• Hardness Durometer Shore A: 75±5
• Tensile Strength: 1700 psi minimum
• Elongation: 250%
• Temperature Range: -3°C to 204°C (400°F)
• Color: Black
• 100% Modulus psi: 760

Chemical Resistance
Viton® Base Resistant Fluoroelastomer resists a broad range of chemicals including:

• Steam/Hot Water
• Bases
• Sour (H2S) Oil and Gas
• Pulp and Paper Liquors
• Insecticides, Herbicides
• Ozone
• Oils and Lubricants
• Oxidizing Agents
• Amine Corrosion Inhibitors
• Power Steering Fluids
• Transmission Fluids
• Acids

Products Available

• Sheeting for Gaskets
• Molded Parts
• Cloth Inserted Sheeting
• Extrusions