RN manne ne mai sassa biyu. Bayan ƙara wani ɓangare na RN a cikin manne, ya kamata a shafa manne mai sassa biyu da aka shirya don amfani a cikin wani lokaci (rayuwar tukunya) wanda ba wai kawai yake a cikin roba ba, har ma da sauran sinadaran da aka haɗa (misali resins, antioxidants, solvents, da sauransu). Idan ba a yi amfani da manne a cikin wannan lokacin ba, yana iya zama da wahala a shafa shi kuma ɗankonsa yana ƙaruwa da sauri har sai lokacin gel ɗin da ba zai iya canzawa ya zo daga ƙarshe. Don haka, ba za a sake amfani da shi ba.
Shawarar Shawara:
Don manne mai sassa 100 bisa ga nauyi (pbw) bisa ga:
| Roba mai siffar Graft-Chloroprene(kimanin kashi 16%) na roba | RN na pbw 3-5% |
| Robar Chloroprene(kimanin kashi 20%) na roba | RN na pbw 5-7% |
| Polyurethane na Hydroxyl(kimanin kashi 15% na polyurethane) | RN na pbw 3-5% |









