Discussion centers on elastomeric material used for liners in automotive air conditioning systems. The following facts must be taken into consideration: The three materials that are discussed are NBR, HNBR and CM (an example of heat-resistant elastomers containing chlorine, CM).HNBR is a heat-resistant alternative to NBR and withstands both R 12 and R 134a.HNBR has good low-temperature bending behavior. It, therefore, has the widest, most useful temperature range of all the elastomers tested.Where NBR is in use at present, the introduction of R 134a does not necessitate the use of a different elastomer. However, CM is a more suitable elastomer for R 22.


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    Title :

    Elastomers for Automotive Air Conditioning Hoses


    Additional title:

    Sae Technical Papers


    Contributors:
    Magg, Hans (author)

    Conference:

    International Congress & Exposition ; 1990



    Publication date :

    1990-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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