Elastomer

Rating

Natural Rubber, Isoprene

1

Butadiene Styrene, Butadiene

1

Butyl

2

Ethylene Propylene

2

Nitrile

1

HNBR

1

Epichlorohydrin

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Polychloroprene

1

Chlorosulfonated Polyethylene

1

Chlorinated Polyethylene

1

Urethane

4

Polyacrylate

4

Polysulfide

2

Silicone

2

Ethylene acrylic elastomers

4

Fluorosilicone

2

Tetrafluoroethylene/Propylene

1

Fluoroelastomer - Dipolymer

1

Fluoroelastomer - Terpolymer

1

Perfluoroelastomer

1