EPDM roba (ethylene propylele provylele monomer roba) wani nau'in roba roba da ake amfani da shi a aikace-aikace da yawa. Ruwa da aka yi amfani da shi a cikin masana'antar EPDM masu yawa sune etbnelidene Norbnnene (Enb), DCB), DCPD), kuma Vinyl NorybneNeene (VNB). 4-8% na waɗannan monomers ana amfani dashi. Epdm roba ne na m-crass a cikin Astm Stanst Storst D-1418; A cikin aji ya ƙunshi elatasters da ke da sarkar polyethylene (da m keɓewa daga mafi daidai Polymetlene). An sanya epdm daga ethylene, propylene, da kuma comonomer mai gina jiki wanda ke ba da labari mai narkewa ta hanyar sulfur Vulcanization. A baya dangi na Epdm shine EPR, Ethylene Propyleene roba na igiyoyi (da amfani ga mahimmancin igiyoyi na lantarki kuma ana iya yin amfani da shi daga kowane abin da ake ciki na lantarki kuma ana iya haifar da ta amfani da hanyoyin tsattsauran ra'ayi kamar peroxides.
Kamar yadda tare da yawancin abubuwan tarihin, kullun ana amfani da shi koyaushe tare da masu launin fata kamar carbon na carbon, tare da filayen almara kamar kawai yana da amfani da rublonic kawai lokacin da aka watsa. Motsa ruwa mafi yawa yana faruwa ta hanyar rashin daidaituwa tare da sulfur, amma kuma an cika shi tare da peroxides (don mafi kyawun head juriya) ko kuma ta hanyar resinan ruwa. High-makamashi mai ƙarfi kamar daga katako ana amfani da shi don samar da kumfa da waya da kebul.
Lokaci: Mayu-15-2023