Elastomer

Rating

Natural Rubber, Isoprene

1

Butadiene Styrene, Butadiene

1

Butyl

1

Ethylene Propylene

1

Nitrile

1

HNBR

1

Epichlorohydrin

---

Polychloroprene

1

Chlorosulfonated Polyethylene

1

Chlorinated Polyethylene

---

Urethane

3

Polyacrylate

4

Polysulfide

1

Silicone

1

Ethylene acrylic elastomers

---

Fluorosilicone

4

Tetrafluoroethylene/Propylene

1

Fluoroelastomer - Dipolymer

4

Fluoroelastomer - Terpolymer

4

Perfluoroelastomer

1