Gabaɗaya,polystyrenepolymer aromatic roba ne da aka yi daga monomer styrene, wanda aka samo daga benzene da ethylene, samfuran man fetur duka.Polystyrene na iya zama m ko kumfa.Polystyrenethermoplastic ne mara launi, bayyananne, wanda aka fi amfani da shi don yin kumfa ko kumfa da kuma wani nau'in rufin da ba a cika ba wanda ya ƙunshi ƙananan beads na polystyrene.Polystyrene kumfa95-98% na iska.Kumfa polystyrene suna da insulators masu kyau na thermal don haka ana amfani da su azaman kayan haɗin ginin, kamar a cikin insulating nau'in siminti da tsarin ginin ginin panel.Fadada (EPS)kumapolystyrene extruded (XPS)Dukansu an yi su ne daga polystyrene, amma EPS ya ƙunshi ƙananan beads na filastik waɗanda aka haɗa tare kuma XPS ta fara azaman narkakkar kayan da aka matse daga wani tsari zuwa zanen gado.An fi amfani da XPS azaman rufin allon kumfa.
Fadada polystyrene (EPS)kumfa ce mai tsauri kuma mai tauri, rufaffiyar tantanin halitta.Aikace-aikacen gine-gine da gine-gine suna lissafin kusan kashi biyu bisa uku na buƙatun fadada polystyrene.Ana amfani da shi don rufin bango (kogo) bango, rufi da benayen siminti.Saboda kaddarorinsa na fasaha kamar ƙananan nauyi, rigidity, da tsari,fadada polystyreneana iya amfani da su a cikin aikace-aikace masu yawa, misali trays, faranti da akwatunan kifi.
Ko da yake duka biyun da aka fadada da kuma extruded polystyrene suna da tsarin rufaffiyar tantanin halitta, suna iya jujjuya su ta hanyar kwayoyin ruwa kuma ba za a iya la'akari da shingen tururi ba.A cikin faffaɗar polystyrene akwai ramukan tsaka-tsaki tsakanin faɗaɗɗen rufaffiyar sel waɗanda ke samar da hanyar sadarwa ta buɗewa tsakanin pellet ɗin da aka ɗaure.Idan ruwan ya daskare cikin ƙanƙara, yana faɗaɗa kuma zai iya haifar da pellets na polystyrene don karye daga kumfa.
Lokacin aikawa: Agusta-17-2022