Elastomer

Rating

Natural Rubber, Isoprene

1

Butadiene Styrene, Butadiene

1

Butyl

1

Ethylene Propylene

1

Nitrile

1

HNBR

---

Epichlorohydrin

1

Polychloroprene

1

Chlorosulfonated Polyethylene

1

Chlorinated Polyethylene

1

Urethane

4

Polyacrylate

2

Polysulfide

1

Silicone

2

Ethylene acrylic elastomers

---

Fluorosilicone

1

Tetrafluoroethylene/Propylene

---

Fluoroelastomer - Dipolymer

1

Fluoroelastomer - Terpolymer

1

Perfluoroelastomer

1