PAPI dilanni be sɔrɔ duguman .
PAPI (MDI crain) be bɔ cogo kelen na ni MDI ye fɔɔ ni anilini hakɛ ni asidi idɔrɔkloriki hakɛ min be sɔrɔ, o ka dɔgɔ. PAPI ni MDI hakɛ be kɛ yɔrɔ fila la. Fɔlɔ, anilini ni formuladihidi hakɛ (formalin) be nɔrɔ ɲɔgɔn na ni poliamini ɲagaminin ye, ani o kɔ, poliamini ɲɔgɔndan min be kɛ asidi dɔ la, o be sɔrɔ a kɔnɔ. a be kɛ ni fɔsigenasiyɔn ye ka PAPI. poliamine fɛnw sɛgɛsɛgɛli la, diamini kɔnɔfɛnw be kɔlɔsi ka kɛ 50% ɲɔgɔn ye. Tuma caaman na, a be se ka sɔrɔ ni anilini ni fɔrmadihidi ka fɛnw hakɛ yɛlɛmani ye, o kɔrɔ, fɛɛn hakɛ min be sɔrɔ o la. 1:75, 50% ɲɔgɔn diamini min be poliamine sɛnɛni kɔnɔ, o be yen. O la, fɛnw kulu tilannin hakɛ, a ka ca a la, ani fɔrmaldihidi hakɛ ye 1.6 ye ka {{12} O yɛlɛmaniw hakɛ, o yɛlɛmaniw hakɛ, poliamine min ka kan ka kɛ ka MDI dilan ani PAPI . baarakɛcogow ka kan ka kɛ poliamine fɛn ye min kɔnɔ 60% ka taga se 75% ma, ani kilɛ be sɔrɔ fana ni anilini ni fɔrmaldihidi chargeur hakɛ yɛlɛmani ye{20}} Ni anilini/pandeyidifɛn hakɛ ye 4/1.4 ye, 75% ɲɔgɔn be sɔrɔ 75% ɲɔgɔn na. A ka c’a la, MDI ni PAPI ka ɲɔgɔndan kɛcogo be ta.