Butyl

Butyl offers strong resistance to sunlight and ozone and also resists heat, chemicals, and abrasion. Butyl is typically used today in some aircraft hydraulic applications and has good performance in hydraulic fluids, silicone fluids and greases and hot water and steam. It is not recemmended for use in mineral oils and greases or hydrocarbon oils and fuels. 

Temperature Range: -50° to +250° F