PET sirilan (polyester sirilan) bɛ se ka mara kalo 18–36 kɔnɔ ni a kɛra cogo bɛnnen na. Funteni, nɛnɛ, UV bɔli, ani pakew dafalen, olu bɛɛ bɛ nɔ bila PET sirilan bɛ a ka baara kɛcogo mara waati hakɛ min na.
Industri girinmanw ka pakew bɛ sirili de wajibiya min bɛ minɛ jɔrɔnanko basigilen kɔrɔ, min bɛ se ka sɔgɔsɔgɔ, wa a bɛ kisi kɛnɛma marali ni kɔgɔji tɛmɛni ma. PET sirilan (poliyester sirilan) ni poliyesitɛri juru fila bɛɛ bɛ kɛ doni sirili la, nka u bɛ baara kɛ cogo wɛrɛ la kosɛbɛ. Polisitɛri juru bɛ wuli doni kɔrɔ, a tɛ sɛgɛn tuguni ni doni bɛ sigi, wa a bɛ sɔgɔ joona nɛgɛ da nɔgɔlenw na.
PET sirilan (polyester sirilan) bɛ sɔrɔ a janya la min bɛ daminɛ milimɛtɛrɛ 0,4 na ka se milimɛtɛrɛ 1,25 ma, a janya kelen-kelen bɛɛ bɛ bɛn doni kɛrɛnkɛrɛnnenw wajibiyalenw ma ani minɛn suguyaw ma. Bandi minnu ka fin (0,4–0,55mm) bɛ baara kɛ ni palɛti doni nɔgɔmanw ye ani pakew bɛɛ lajɛlen ye, ka sɔrɔ sugandili gɛlɛnw (0,8–1,25mm) bɛ nɛgɛ bobinew, cotton bales, ani izini baarakɛcogo minnu ka gɛlɛn kosɛbɛ, olu ɲɛnabɔ.
Core dimensions bɛ fɛnw cɛma minnu bɛ ye ka ban kosɛbɛ ni sannikɛlaw ye PET strap (polyester strap) sugandi otomatiki sirili baara kama. Bɔrɔ min bɛ masinko wajibiyalenw bɛɛ dafa — a bonya, a bonya ani a kari fanga bɛnnen — o bɛna balo gɛlɛyaw lase hali bi ni a kɔnɔna hakɛ ma bɛn sirilan kunkolo dilanbaga ma. Core kɔnɔna cɛmancɛ, roll width, ani roll kɛnɛma diameter bɛɛ ka kan ka bɛn masin ka spindle ni unwinding mechanism ma. Nin gafe in bɛ PET sirilan kɔnɔna hakɛw ɲɛfɔ, u bɛ nɔ bila otomatiki sirilan kunkolo baarakɛcogo la cogo min na, ani cogo min na ka bɛnkan sɛgɛsɛgɛ sani a ka san.