HOLDING WEB FOR AN EXHAUST GAS PROCESSING UNIT, ASSOCIATED DEVICE, PRODUCTION METHOD AND EXHAUST LINE

摘要

The web ( 8 ) is arranged around a processing unit ( 14 ) between the processing unit ( 14 ) and an envelop ( 16 ) which defines a conduit ( 12 ) for the exhaust gas flow. The web ( 18 ) includes a mattress whose external side is provided with an aluminosilicate-containing coating ( 30 ). The invention is used for motor vehicle exhaust lines.