Parco is a leading supplier of O-rings and custom rubber seals for UL 157. Underwriters Laboratories Inc. (UL) is an independent, not-for-profit product-safety testing and certification organization. UL tests and certifies certain products to ensure the safety of end-use applications.
To quickly find the best UL-listed compound for your application, please see the table below. If you need a UL-listed compound for a specific fluid, please contact our R & D lab at firstname.lastname@example.org.
|Nitrile||0228-70||65||Black||Resistant to aromatic and non-aromatic fuels|
|Nitrile||2295-70||70||Black||Good in fuel|
|Nitrile||4200-70||70||Black||Resistant to petroleum oils, fuels, and engine coolants|
|Nitrile||4926-70||70||Black||Low cost; NSF-61 approved; FDA conforming|
|Fluorocarbon||9131-60||70||Black||Low temperature; fuel resistant; excellent in hot fuel|
|Fluorocarbon||9167-60||60||Black||For use in HTS aircraft oils; fuel resistant; lowest temp FKM|
|Fluorocarbon||9124-65||60||Black||High fluorine FKM elastomer with good fuel resistance|
|Fluorocarbon||9009-75||65||Black||Resistant to aromatic fuels and synthetic di-ester oils|
|EPDM||5315-70||70||Black||Low cost; FDA conforming; NSF-61 approved|
|Fluorosilicone||1932-75||75||Blue||Flex fuel resistant; low temperature; automotive fuel seal|