Elastomer

Rating

Natural Rubber, Isoprene

1

Butadiene Styrene, Butadiene

1

Butyl

1

Ethylene Propylene

1

Nitrile

1

HNBR

1

Epichlorohydrin

---

Polychloroprene

2

Chlorosulfonated Polyethylene

1

Chlorinated Polyethylene

---

Urethane

4

Polyacrylate

4

Polysulfide

4

Silicone

1

Ethylene acrylic elastomers

---

Fluorosilicone

1

Tetrafluoroethylene/Propylene

---

Fluoroelastomer - Dipolymer

1

Fluoroelastomer - Terpolymer

1

Perfluoroelastomer

1