Pillar Code

Material

Application

Heat-Resistance in Air (℃)

Remarks

NR

Natural Rubber

Water, aqua solutions, weak acid and weak alkali

-70℃ ∼ 100℃

Cannot be used with
neral oils

NBR

Butadien acrylo Nitrile Rubber

Mineral oil, gasoline and benzene

-20℃ ∼ 130℃

Standard product is
oil-resistant

CR

Chloroprene Rubber

Pneumatic and hydraulic systems

-55℃ ∼ 130℃

Oil/weather-resistant and
ozone proof

SBR

Butadien Styrene Rubber

Mineral/vegetable oils, water and air

-60℃ ∼ 120℃

Heat-resistant
Cannot be used with
mineral oils

CSM

Hyparon

Ozone-proof, chemical-resistant and heat-resistant packings

-60℃ ∼ 150℃

Elasticity and workability
are not good

Si

Silicone Rubber

High/low temperature oil, weak acid and weak alkali

-120℃ ∼ 50℃

Abrasion-resistant
Cannot be used with team

FPM

Fluororubber

Hot oil, steam, air, inorganic acid and chlorine based solvents

-50℃ ∼ 250℃

Oil-resistant and
heat-resistant

U

Urethane Rubber

Hydraulic and high pressure service

-60℃ ∼ 80℃

Abrasion-resistant

X

Others