Plastiki sirili baarakɛcogo la, PVC (polivinyl chloride) nɔrɔfɛn sugandili bɛ nɔ bila sirili fanga la, a muɲuli la, ani a kɛcogo minnu bɛ se ka kɛ. K’a sababu kɛ PVC ka polarite dɔgɔyali ye ani a sanfɛla fanga ka bon, nɔrɔlan gansanw bɛ kɛlɛ kɛ walasa ka jɛɲɔgɔnya barikamaw sɔrɔ. O la, nɔrɔfɛn ka kan ka sugandi ka ɲɛ ka kɛɲɛ ni mago kɛrɛnkɛrɛnnenw ye.
1. Core Material PVC Glue suguyaw
Sisan, PVC nɔrɔlanba minnu bɛ kɛ ka caya, olu tilalen don suguya saba ye: solvent-based, acrylate-based, ani modified polyurethane-based. PVC nɔrɔlan minnu bɛ kɛ ni furaji- ye, minnu sinsinnen bɛ furajiw kan i n’a fɔ kulorofɔrimu ni sikloheksanɔn, olu bɛ PVC sanfɛla wuli walasa ka jɛɲɔgɔnya don molekiyɔmuw ni ɲɔgɔn cɛ. U bɛnnen don PVC pipe gɛlɛnw walima filimuw sirili teliya la, nka sigida ni lakanako minnu bɛ tali kɛ fɛnɲɛnamafagalanw wulicogo la, olu ka kan ka jateminɛ. Akirilati-nɛgɛw bɛ kɛnɛya ni monomɛri minnu bɛ se ka kɛ kosɛbɛ, olu ka polimerizasiyɔn waleyali fɛ, o bɛ se ka fɛn caman kɛ ani ka waati kunbɛn. U bɛnnen don kɛrɛnkɛrɛnnenya la kosɛbɛ-bonding impact-resistant profiles ma. Poliyuritan nɔrɔlan caman sɛgɛsɛgɛlenw, n’u ka ji kunbɛncogo ɲuman n’u ka wulicogo ka ɲi, olu ka fisa ni tɔw ye sigida nɔgɔlenw na walima doni fangamaw kɔrɔ.
2. Jateminɛ jɔnjɔn minnu ka kan ka kɛ fɛnw sugandili la
Fɔlɔ, a nafa ka bon kosɛbɛ ka PVC suguya dɔn min bɛ siri. PVC nɔgɔlen ta la, plastiki jiginni bɛ se ka kɛ sababu ye ka nɔrɔli tiɲɛ, o la plastiki-min bɛ se ka furakɛ, o de ka fisa. Filanan, sigida cogoyaw (i n’a fɔ funteni caman ani UV bɔli) b’a ɲini nɔrɔlan ka kɛ ni funteni kunbɛncogo bɛnnen ye (a ka c’a la a ka bon ni degere 80 ye walima a bɛ bɛn degere 80 ma ) ani a ka se ka kɛ ni jɛman ye. Ni dumuni bɛ tali kɛ ɲɔgɔn na, fɛn minnu tɛ baga ye, ni olu bɛ FDA walima LFGB sariyaw dafa, olu ka kan ka sugandi. Ka fara o kan, a kɛcogo (i n’a fɔ burusi walima fiyɛli) fana bɛ nɔ bila fɛnw sɔgɔcogo la; nɔrɔ minnu ka dɔgɔn-, olu bɛ se ka don yɔrɔ gɛlɛnw kɔnɔ.
3. Ladilikan nafamaw ani taabolo jateminɛ
Baarakɛlaw laadilen don u ka jɛɲɔgɔnya jaabiw sɛgɛsɛgɛ ni misali sɛgɛsɛgɛli misɛnninw ye, k’u sinsin fanga fɔlɔ kan ani kɔrɔya kunbɛnni kuntaalajan-kan. Ni sigida sariyaw bɛ ka gɛlɛya ka taa a fɛ, ji-PVC nɔrɔlanw ni biyo-sɛnɛfɛnw dilanni bɛna kɛ fɛnba ye. Hali ni VOC bɔli bɛ dɔgɔya, o fɛɛrɛ ninnu ka kan ka balansi don jɛɲɔgɔnya nafama ni musaka-nafa la. Fɛn ɲuman sugandili tɛ poroze jogo ɲɛ dɔrɔn, nka a bɛ fɛn dilannenw ka ɲɛnamaya janya fana, o b’a to a bɛ kɛ desizɔn nafama ye PVC sirili baarakɛcogo la.