End-Use Environments for Gaskets and Seals
Gaskets and Seals may additionally 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 be evaluated with respect to additional environmental conditions specified in end-product standards.
Code | End-use Application |
A | Extinguishing agents |
B | Gasoline |
C | Gasoline/Alcohol blends up to 15% alcohol |
D | Naptha or kerosene |
E | MPS gas |
F | Manufactured gas or natural gas |
G | Diesel fuel, fuel oil or lubricating oil |
H | Heated fuel oil |
I | Anhydrous ammonia |
J | Liquefied petroleum gas (LP-gas) |
K | Dry-cleaning agents |
L | Laundry detergents |
M | Dishwashing detergents |
N | Atmospheric ozone |
O | Generated ozone |


