As part of our commitment to your digital security and privacy, UL is transitioning to a new email policy. Please confirm if you wish to continue receiving emails from UL containing best practices, education, industry research, news, updates and promotions related to UL products and services. Thank you!
Gaskets and seals may be evaluated for environmental conditions specific to certain end-use applications. Below is a list of some of the environmental conditions in ANSI/UL 157, Gaskets and Seals. Gaskets and seals can also be evaluated with respect to additional environmental conditions specified in end-product standards.
|C||Gasoline/Alcohol blends up to 15% alcohol|
|D||Naptha or kerosene|
|F||Manufactured gas or natural gas|
|G||Diesel fuel, fuel oil or lubricating oil|
|H||Heated fuel oil|
|J||Liquefied petroleum gas (LP-gas)|