POTASSIUM CHROMATE Resistant O-Rings and Seals

Potassium chromate, also known as potassium bichromate, is an inorganic compound that is commonly used as a pigment for painting, inks, and dyes. It is also used in some chemical and laboratory experiments. When exposed to potassium chromate, rubber materials may experience swelling, cracking, hardening, and discoloration due to corrosion. Natural rubber, EPDM, and neoprene rubbers are particularly vulnerable to the chemical and may experience significant degradation in a short time. Nitrile, silicone, and fluorocarbon rubbers may be more resistant to the chemical and remain unaffected. The severity of the failure depends on the type of rubber, the concentration of the chemical, and the length of exposure.


Fluorosilicone (FVMQ, FSIL)

Fluorosilicone o-rings are a hybrid of silicone and FKM resulting in great jet fuel resistance with high and low temperature performance. Also widely used in semiconductor Ashing equipment with strong resistance to oxygen plasma, FVMQ fluorosilicone o-rings also feature excellent flexibility, compression resistance, aging and sunlight resistance, and overall wide range of basic chemical resistance.

Common Names: Fluorosilicone, FVMQ


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Recommended Material:
F1001 Fluorosilicone
Low Temp
-100 °F (-75 °C)
High Temp
350°F (180 °C)
Base Material
Fluorosilicone (FVMQ, FSIL)
Hardness
70
Color
Blue
Attributes
  • General purpose material
Datasheet
Recommended Material:
F1003 Fluorosilicone
Low Temp
-100 °F (-75 °C)
High Temp
350°F (180 °C)
Base Material
Fluorosilicone (FVMQ, FSIL)
Hardness
60
Color
Blue
Attributes
  • General purpose material
Datasheet
Recommended Material:
F1000 Fluorosilicone
Low Temp
-100 °F (-75 °C)
High Temp
350°F (180 °C)
Base Material
Fluorosilicone (FVMQ, FSIL)
Hardness
70
Color
Blue
Attributes
  • General purpose material
Datasheet

Rubber Material Compatibility with POTASSIUM CHROMATE

View some of our other material compatibility ratings with POTASSIUM CHROMATE. 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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