SUMMARY OF MAJOR POST CURED RUBBER

Initials

EPDM

Polymer

ETILENE PROPILENE DIENE

Characteristics

Optimal resistance to atmospheric agents and chemical substances like glycolic, alcohols, oils, silicone oily, several types of oxidizes and detergents. Good resistance to heat.

Best to use at these temperatures from –50° to +150° C

 

Initials

NBR

Polymer

NITRILE-BUTADIENE

Characteristics

Good resistance to oils and aliphatic hydrocarbons (propane, butane, petrol, kerosene, oils and silicone oily), water and many diluted acids. Good mechanical property and low permeability to gases.

Best to use at these temperatures from –30° to +125° C

 

Initials

MVQ

Polymer

METIL VINIL SILICONE

Characteristics

Exceptional resistance to warm air, uv, oils which contains sulphur, elevated elasticity to low temperatures, optimal resistance to atmospheric agents, good insulator and good resistance to swelling of some substances (oils and aliphatic fuels, oils and oily of vegetables and animals, glycolic and water until 100° C). In compliance with FDA’s requirement.

Best to use at these temperatures from from –70° to +225° C .

 

Initials

HNBR

 

 

Characteristics

Resistance to ozone, UV, warm water, oils which contains sulphur

Best to use at these temperatures from –40° to +150° C.

 

Initials

FVMQ

Polymer

FLUOROSILICONE

Characteristics

Resistance to ozone, UV, warm water, oils of vegetables and animals.

Best to use at these temperatures from da –60° to +225° C.

 

Initials

IIR

 

 

Characteristics

Highest waterproof to air and gases, good dielectric property and optimal resistance to UV.

Best to use at these temperatures from –30° to +120° C.

 

Initials

FKM

 

Viton (Du Pont)

Characteristics

Resistance to hydrocarbons, mineral oils, concentrated acids.

Best to use at these temperatures from –15° to +250° C.