| http://www.w3.org/ns/prov#value | - ue faible ou tr???s faible, toujours inf???rieur ??? 15%). thus diene elastomers such as butyl rubbers or copolymers of dienes and alpha-olefins of the EPDM type do not fall within the preceding definition and can in particular be described diene elastomers essentially saturated (rates motifs original low or very low diene, always less than 15%).
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