Natural

NR

It is suitable for water, alcohol,   inorganic acid (low concentration) and alkaline medium under general pressure   and temperature.

Nitrile

NBR

Radiation resistance can be used to make   seals for nuclear power plants.  It has   good resistance to oil, water, solvent and high pressure oil.

Silicone

SR

Suitable for alcohol, alkali medium;   Silicone rubber is non-toxic, odorless and widely used in sealing.

Ethylene-propylene

EPDM

For alcohols, ketones, ethyl acetate,   water, inorganic acids (except high concentrations), alkali media are   applicable.

Fluororubber

FKM

Suitable for gasoline and other light oil,   benzene, toluene, alcohol, water, high concentration inorganic acid and other   media.

Perflurane

FFKM

Widely used in semiconductor, aerospace,   various high-tech fields and high vacuum seal.