Ejiri ya site na iji eriri polyester na-aga n'ihu na-aga n'ihu na eriri mgbochi static, a na-atụgharị ya ka ọ bụrụ akwa semiconductive, dị mma maka ịrụ ọrụ na ụlọ nyocha ma ọ bụ ụlọ ọrụ ebe a na-edozi ihe ndị nwere mmetụta: eletrọnịkị na ụlọ nyocha microelectronics, ụlọ nyocha kemịkalụ, ụlọ ọrụ eletriki, ụlọ dị ọcha, ụlọ ihe osise, ụgbọ ala, wdg.
Ihe na-eme ezinụlọ akwa a pụrụ iche bụ ihe owuwu eri, nke kama ịbụ monofilaments, a na-emepụta site na iji ụdị multifilament.Ihe nke a na-eme bụ ịmegharị mmetụta nke owu ma kwalite ume iku ume akwa, na n'ihi ya, nkasi obi.
Nke a softshell na ire retardant na mgbochi static Njirimara.Ihe ọkụ ọkụ nwere akwa akwa na-ekpuchi mmiri, ikuku na-ekpuchi ma na-enye nchebe oyi dị mma.A na-eji softshell nwere otu akpa igbe inset, akpa abụọ inset dị n'akụkụ, otu n'ime akpa na akaghị maka baajị, ejirikwa mpempe FR na-atụgharị anya mechie ya.Enwere ike imechi aka uwe ahụ site na mmetụ aka na nsochi ma ọ bụrụ na ị na-ekpo ọkụ nke ukwuu, ị nwere ike wepụ ha.