DEXRON Resistant O-Rings and Seals
DEXRON is an automotive fluid used in many modern automatic transmissions. It is a type of hydraulic fluid composed of polyalkylene glycol, an organic compound commonly used for its excellent lubricating properties. DEXRON is used across a variety of automotive applications, from power steering systems to automatic transmissions.
When rubber seals are exposed to DEXRON, they are likely to experience swelling, softening, and cracking due to the polyalkylene glycol base. Additionally, DEXRON is highly hygroscopic, meaning it can easily absorb moisture from the environment. This can lead to accelerated rubber degradation, even when the DEXRON itself is not causing damage. It is important to consider the material of a rubber seal when selecting a seal for an application that involves DEXRON.
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.
V1000 FKM
- General purpose material
V1003 FKM
- General purpose material
V1007 FKM
- For higher pressure applications
Rubber Material Compatibility with DEXRON
View some of our other material compatibility ratings with DEXRON. 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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