Technical datasheet

OM 1133

Supplied byOrtofon- Last Updated on Sep 15, 2025

OM 1133 by Ortofon is a bromo isobutylene isoprene rubber (BIIR) grade. Offers high impermeability to gases & liquids, excellent aging stability, very good heat resistance and good damping properties. Also offers optimum wear resistance, weather resistance, ozone resistance, optimum resistance to hydrolysis (water & steam) and optimum resistance to chemicals (acid & bases). OM 1133 is recommended for dampers, tubes, membranes, antivibration mounting and medical applications.
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Benefits

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OM 1133 properties

Mechanical properties

PropertiesValue & unitTest conditionTest method
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Physical properties

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Thermal properties

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