Technical datasheet

CIIR

Supplied byClwyd Compounders- Last Updated on May 9, 2025

CIIR is a chlorobutyl rubber grade by Clwyd Compounders. It is a derivative of butyl rubber reacted with chlorine in a continuous process. Exhibits low gas permeability, excellent ozone resistance, good steam resistance and good fire resistance. CIIR is used in inner tire tubes and breathing apparatus for defense & fire services.
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CIIR properties

Mechanical properties

PropertiesValue & unitTest conditionTest method
Durometer Hardness Shore A0.0 Visible After LoginVisible After LoginVisible After Login
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
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Thermal properties

PropertiesValue & unitTest conditionTest method
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Non-brittle Temperature0.0 Visible After LoginVisible After LoginVisible After Login
Upper Continuous Service Temperature0.0 Visible After LoginVisible After LoginVisible After Login

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