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.