Ethylene Acrylic O-Rings & Gaskets | Seal & Design Inc.

Ethelyene Acrylic

Vamac MaterialEthylene Acrylic, widely known as Vamac® is favored in applications where chemical and heat resistance are desired. Vamac®, an ethylene and methyl acrylate copolymer, has properties similar to polyacrylate. It exhibits an extended low temperature limit and better mechanics than that of polyacrylate.

Both o-rings and gaskets can be made from Etheylene Acrylic (VAMAC®) materials.

Names: VAMAC®, AEM, Etheylene Acrylic

Compound Info
ASTM D1418 Designation AEM
ASTM D2000/SAE J200 Type, Class EE, EF, EG, EA
Hardness (Shore A) 50-90
Color black
Thermal Properties
Standard Min Temp. -13°F (-25°C)
Max Temp. 338°F (197°C)


Chemical Resistance
Chemical Resistance
Engine coolant mixtures (glycols)
Dilute acids and alkalis
Ozone and sunlight aging resistant
Not compatible
NOT compatible
Concentrated acids
Aromatic hydrocarbons
Gasoline, ketones, brake fluids, and phosphate esters

Disclaimer: These are general guidelines only. All materials should be tested in your application.