UL-Listed Compounds
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 lab@parcoinc.com.
UL-Listed Compounds
Elastomer | Compound | Durometer (Shore A) |
Color | Key Properties |
---|---|---|---|---|
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 |
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 |
Fluorocarbon | 9131-75 | 75 | Black | Viton GFLT |
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 |