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Ethylene 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 Ethylene Acrylic (VAMAC®) materials.

Names: VAMAC®AEMEthylene Acrylic

Compound Info

ASTM D1418 DesignationAEM
ASTM D2000/SAE J200 Type, ClassEE, EF, EG, EA
Hardness (Shore A)50-90

Thermal Properties

Standard Min Temp.-13°F (-25°C)
Max Temp.338°F (197°C)

Chemical Resistance

Engine coolant mixtures (glycols)
Dilute acids and alkalis
Ozone and sunlight aging resistant

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.

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