Akwatin nuni na fari na zamani (fakitin sigari na kowanne akwati 10, kowanne akwati na fakiti 7)

Kwali fari wani nau'in takarda ne mai kauri mai ƙarfi da nauyi mai yawa. Saboda saman ba a fentin shi ba, ana kiransa da farin kwali. An raba farin kwali na kasar Sin zuwa matakai uku na A, B, C. Farin kwali na A bai gaza kashi 92% ba; B bai gaza kashi 87% ba; C bai gaza kashi 82% ba.
Kayan farin kwali ne da aka yi amfani da shi wajen yin bleach 100%
Kwali fari don fakitin sigari yana buƙatar tauri mai yawa, juriyar karyewa, santsi da fari. Bukatun saman takarda suna da faɗi, babu ratsi, tabo, ƙuraje da ƙuraje, karkacewa da nakasa na samarwa. A matsayin fakitin sigari mai farin kwali wanda galibi ke amfani da injin buga gravure mai sauri don bugawa, haka nan buƙatun ma'aunin tashin kwali na farin suna da yawa. Ana kuma san juriyar tashin hankali da ƙarfin tauri ko ƙarfin tauri, wanda ke nufin matsakaicin matsin lamba da takardar za ta iya jurewa lokacin da ta karye, wanda aka bayyana a cikin kN/m. Injin buga gravure mai sauri don jawo birgima na takarda, bugu mai sauri don jure babban matsin lamba, idan abin da ke faruwa na karyewar takarda akai-akai, zai haifar da raguwar lokacin aiki akai-akai, rage inganci, amma kuma yana ƙara asarar takarda.
Akwai nau'ikan kwali fari guda biyu don fakitin sigari, ɗaya shine FBB (katin farin core mai launin rawaya), ɗaya shine SBS (katin farin core mai launin fari), fakitin sigari da ake amfani da FBB da SBS an rufe su da farin kwali mai gefe ɗaya, FBB ya ƙunshi yadudduka uku na ɓangaren litattafan, fuska da ƙasan suna amfani da ɓangaren litattafan itacen sulfate, ɓangaren litattafan kuma ana amfani da ɓangaren litattafan itacen niƙa na injiniya. Gefen gaba (gefen bugawa) shine ɓangaren rubutun, wanda ake amfani da shi da matsewa biyu ko uku, yayin da ɓangaren baya ba shi da wani ɓangaren rubutun. Tunda ɓangaren tsakiya an yi shi da ɓangaren litattafan itacen da aka niƙa ta hanyar sinadarai da injiniya, ɓangaren litattafan yana da yawan amfani ga itace (85%-90%), kuma farashin samarwa yana da ƙasa kaɗan, don haka farashin kwali na FBB yana da ƙasa kaɗan.
Jakar FBB tana da dogayen zare da ƙarancin ƙananan zare da ƙulle-ƙulle na zare, don haka kauri na takardar da aka gama ya fi kyau, kuma gram ɗaya na FBB ya fi SBS kauri, wanda yawanci ya ƙunshi layuka uku na jakar, saman Layer, tsakiya Layer da ƙasan Layer duk suna amfani da jakar itace mai launin sulfate. Gefen gaba (gefen bugawa) shine layin rufi, wanda ake shafa sau biyu ko uku tare da matsewa iri ɗaya kamar FBB, yayin da gefen baya ba shi da layin rufi. Tunda babban Layer ɗin kuma an yi shi da jakar sulfate mai launin bleached, farin ya fi girma, don haka ana kiransa farin core core card. A lokaci guda, jakar tana da ƙanana kuma takardar ta fi tauri, don haka SBS ta fi siriri fiye da FBB na nauyin gram ɗaya. Misali, kauri na 230g/m2 FBB na Hongta Renheng shine 320μm, yayin da kauri na 230g/m2 SBS shine 295μm.