Aikin haɗin gwiwa na roba shine kawai don rufe matsakaici, kuma manufar ita ce hana matsakaicin da ke cikin haɗin gwiwa daga yabo. Matsakaici shine abu mai ruwa a cikin tsarin watsawa na haɗin gwiwa na roba, don haka aikin haɗin gwiwa na roba a cikin bututun shine ya sha girgiza kuma ya rage amo. Burrs na haɗin gwiwa na roba sun yi girma sosai, kuma ana amfani da wani nau'i a lokacin samarwa. Bayan yin gyare-gyare, yana buƙatar zubar da shi daga cikin mold. A yawancin lokuta, haɗin gwiwa na roba guda ɗaya zai sami burrs bayan an saki samfurin, kuma fitarwa da ƙarshen shigarwa na haɗin roba suna da na'urorin rufewa.