molti marroni

Aflas o Kalrez (FFKM)

Gomma acrilica (ACM)

Etilene-propilene (EPR, EPDM)

Fluorocarbonio (FKM/FPM)

Fluorosilicone (FVMQ)

Nitrile idrogenato (HNBR)

Gomma neoprene (CR)

Gomma nitrilica (Buna-N/NBR)

Poliuretano (PU)

Gomma siliconica (VMQ)

Gomma stirene-butadiene (SBR)

Politetrafluoroetilene (PTFE)