PET sirilan (polyester sirilan) bɛ sɔrɔ a bonya dantigɛlen na min bɛ daminɛ milimɛtɛrɛ 9 na ka se milimɛtɛrɛ 32 ma, a bonya minnu bɛ sɔrɔ ɲɔgɔn fɛ, olu ye milimɛtɛrɛ 12, milimɛtɛrɛ 16, milimɛtɛrɛ 19, milimɛtɛrɛ 25, ani milimɛtɛrɛ 32 ye. Bonya sugandili bɛ nɔ bila kari fanga la, doni tilatilali la, ani minɛnw bɛnkan na. A ka c’a la, milimɛtɛrɛ 19 PET sirilan bɛ kari fanga di kilo 450–550 ma, k’a sɔrɔ milimɛtɛrɛ 25 siri bɛ se ka tɛmɛ kilo 900 kan—a bɛ gɛrɛ nɛgɛ sirili baarakɛcogo la ni girinya ni musaka dɔgɔyalenba ye.
PET sirilan (polyester sirilan) sɛgɛsɛgɛli kɛlenw bɛ sira di izini pakew baarakɛcogo ma walasa u ka baara kɛcogo ɲuman kɛ baara kɛrɛnkɛrɛnnenw kama. Bonya sugandilenw bɛ bɔ milimɛtɛrɛ 9 na ka se milimɛtɛrɛ 25 ma, a janya bɛ bɔ milimɛtɛrɛ 0,4 na ka se milimɛtɛrɛ 1,25 ma, ani kari fanga minnu bɛ bɔ kilo 160 na ka se kilo 1360 ma, olu bɛ fɛn bɛɛ ladon k’a ta palɛti doni jɔnjɔnw na ka se nɛgɛ girinman bobinew sirili ma. Nin gafe in bɛ PET sirilan kɛrɛnkɛrɛnnenw bɛɛ sɛgɛsɛgɛ minnu bɛ sɔrɔ izini pakew dilanni na, i n’a fɔ fɛnw cogoyaw, hakɛ suganditaw, ani sugandili sariyaw minnu bɛ kɛ ka kɛɲɛ ni baarakɛcogo kɛrɛnkɛrɛnnenw ye. O ladamuni seko ninnu faamuyali bɛ sannikɛlaw dɛmɛ u ka sirilanw sugandi minnu bɛ baara kɛcogo ɲuman di u ka izini pakew mago kɛrɛnkɛrɛnnenw ma.
PET sirilan (polyester sirilan) kɛra sugandili ɲuman ye nɛgɛ, biriki ani yiriw sirili la izini baara gɛlɛnw na. Ni a girinya bɛ se 600 N/mm2 ma, a bɛ se ka sɔgɔsɔgɔ ka ɲɛ, ani ni a bɛ baara kɛ ni nɔgɔ tɛ, PET sirilan bɛ nafa caman lase nɛgɛ wɛrɛw ma. Nin gafe in bɛ fɛɛrɛko wajibiyalenw sɛgɛsɛgɛ baara kelen-kelen bɛɛ la—nɛgɛ bobine sirili min bɛ dakun lakanani ni tension caman wajibiya, biriki pakew bɛ UV resistance ni abrasion muɲuni wajibiya, ani yiriw sirili min bɛ fɛn caman sɛgɛsɛgɛ ani ka tension lakana. Sɛgɛsɛgɛli sugandili ɲuman bɛ doni lakanani dafalen sabati nin baarakɛminɛn ɲininiw bɛɛ kɔnɔ.
Ka cotton bale sirilan feerela sugandi, o bɛ a ɲini ka fɛn dilanni sekow jateminɛ koɲuman, ka jogoɲumanya sabatili siraw, ani sariyaw labatoli. Jateminɛ jɔnjɔnw ye break force sɛgɛsɛgɛli ye, seereyaw sɛbɛnw, ani JCIBPC sariyaw labatoli. Nin gafe in bɛ sannikɛlaw dɛmɛ u ka cotton bale strap feerelaw jateminɛ cogo labɛnnen na.