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Silicone
rubbersare a group
of synthetic elastomers noted for their (1)
resilience over a very wide temperature range, (2)
outstanding resistance to ozone and weathering, and (3)
excellent electrical properties. General
Working Temperature Range:- *0° C to+
**0° C Silicon
Rubber has great cold flexibility as well as high thermal
resistance. It has excellent di-electric properties and very good
resistance to attack by oxygen, ozone and sunlight. It has poor
strength & tear resistance to mineral oils.
EPDMis ideal
for outdoor applications because of its excellent resistance to
ozone, oxidants, UV exposure and severe weather
conditions. It is
highly recommended for applications where the elastomer will have
excessive exposure to the environment. General
Working Temperature Range:- *5° C to
***0° C Other
outstanding characteristics of EPDM RUBBER include excellent color
stability, heat resistance, and dielectric qualities. EPDM is not
recommended for applications involving petroleum
derivatives. EPDM is
generally attacked by mineral oils, solvents, and aromatic
hydrocarbons.
Nitrile,
Buna N, or NBRis the most
widely used elastomer in the seal industry. The popularity of
nitrile is due to its excellent resistance to petroleum products
and its ability to be compounded for service over a temperature
range of- *5°C to
***0°C. Nitrile is
a copolymer of butadiene and acrylonitrile. it has excellent
resistance to mineral oil, greases, water, hydrocarban fuels,
compression set resistance and good elastic properties, it is not
suitable to automotive brakes fluid.
Viton ( FKM
), the
material is resistant toextreme
conditions,including all aliphatic,
aromatic and halogenated hydrocarbons, acids, animal and vegetable
oils. General Working
Temperature Range:- *0° C to
***0° C .
