Elastomer

Rating

Natural Rubber, Isoprene

4

Butadiene Styrene, Butadiene

4

Butyl

4

Ethylene Propylene

4

Nitrile

1

HNBR

1

Epichlorohydrin

1

Polychloroprene

2

Chlorosulfonated Polyethylene

3

Chlorinated Polyethylene

2

Urethane

1

Polyacrylate

1

Polysulfide

2

Silicone

4

Ethylene acrylic elastomers

1

Fluorosilicone

1

Tetrafluoroethylene/Propylene

1

Fluoroelastomer - Dipolymer

1

Fluoroelastomer - Terpolymer

1

Perfluoroelastomer

1