POTASH, AQUEOUS Resistant O-Rings and Seals

Potash, aqueous is also known as potassium hydroxide or caustic potash. It is a highly caustic substance, and is used in a variety of industries for various purposes. Common uses of potash, aqueous include pH control in swimming pools, soap and detergent manufacturing, food and beverage processing, and wastewater treatment.

When rubber is exposed to potash, aqueous it can cause swelling of the material and can lead to a decrease in mechanical properties, such as tensile strength and tear strength. In addition, potash, aqueous can cause cracking and hardening of the rubber, and can lead to corrosion of the rubber. Long-term exposure can also result in embrittlement and cracking of the rubber.


FKM (Viton®)

Viton ® o-rings from Marco Rubber offer excellent compatibility with a range of chemicals, oils and resist high temperatures up to 400F. Viton ® is also known as FKM made of fluoroelastomer one of the most versatile and widely used sealing materials.

Common Names: FKM, FPM (Europe), Fluoropolymer, Fluoroelastomer


Here are just a few of the products we have available. Buy online or submit a quote for a fast response.
Recommended Material:
V1000 FKM
Low Temp
-15 °F (-30 °C)
High Temp
400°F (205 °C)
Base Material
FKM (Viton®)
Hardness
75
Color
Black
Attributes
  • General purpose material
Datasheet
Recommended Material:
V1003 FKM
Low Temp
-15 °F (-30 °C)
High Temp
400°F (205 °C)
Base Material
FKM (Viton®)
Hardness
75
Color
Brown
Attributes
  • General purpose material
Datasheet
Recommended Material:
V1007 FKM
Low Temp
-15 °F (-30 °C)
High Temp
400°F (205 °C)
Base Material
FKM (Viton®)
Hardness
90
Color
Black
Attributes
  • For higher pressure applications
Datasheet

Rubber Material Compatibility with POTASH, AQUEOUS

View some of our other material compatibility ratings with POTASH, AQUEOUS. If you don't see what you're looking for or need more guidance, our team of experienced sealing design engineers can help select the best sealing products and material for your specific application.

View Full Chemical Compatibility Guide
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