Takardar da aka yi amfani da ita a cikin kamfaninmuakwatunan burodi,akwatunan pizzada sauran suakwatunan abinciana samar da ita ta hanyar fasahar yin takarda mafi ci gaba, tana ba kowane baƙo mafi kyawun samfuran inganci
A lokacin daular Han ta Yamma (206 BC), kasar Sin ta riga ta sami yin takarda, kuma a cikin shekarar farko ta Yuanxing (105) a daular Han ta Gabas, Cai Lun ya inganta aikin yin takarda.Yakan yi amfani da bawo, da kan ciyayi, tufa, gidan kamun kifi da sauran kayayyakin da ake amfani da su wajen yin takarda, ta hanyar yin tambari, busa, soya, gasa da sauransu, wanda shi ne asalin takardar zamani.Irin wannan takarda, ɗanyen kayan yana da sauƙin samun, yana da arha sosai, ingancin kuma ya inganta, kuma ana amfani dashi a hankali.Don tunawa da nasarorin da Cai Lun ya samu, al'ummomin baya sun kira wannan takarda "Takardar Cai Hou".
Takarda ita ce kyalkyali na dogon lokaci da hikimar ma'aikatan kasar Sin.Takarda samfur ce mai kama da zare da ake amfani da ita don rubutu, bugu, zane ko marufi.Gabaɗaya, ana yin shi ne daga dakatarwar ruwa na filayen tsiro, waɗanda aka haɗa su a kan gidan yanar gizon, da farko sun bushe, sannan a matsa su bushe.Kasar Sin ita ce kasa ta farko a duniya da ta kirkiro takarda.
Fasahar yau tana ci gaba cikin sauri, kuma tsarin yin takarda na zamani an yi amfani da shi.
Groundwood Pulp yana amfani da ƙarfin niƙa na inji don samun fiber na itace, wanda kuma aka sani da ɓangaren litattafan almara, wanda za'a iya raba shi zuwa ɓangaren litattafan inji, ingantaccen ɓangaren litattafan almara, ɓangaren litattafan almara na thermomechanical, da sauransu.
Maganin sinadari yana amfani da hanyoyin sinadarai don raba zaruruwa daga lignin don samun filayen itace, wanda za'a iya ƙarawa zuwa ɓangaren soda, ɓangaren litattafan sulfite, da ɓangaren litattafan sulfate.
Semichemical ɓangaren litattafan almara (Semichemical ɓangaren litattafan almara) Haɗuwa da injuna da sinadarai pulping hanyoyin, ana iya ƙara zuwa kashi tsaka tsaki ɓangaren litattafan almara, ruwan soda sanyi, ɓangaren litattafan almara na inji, da dai sauransu.
Lokacin aikawa: Juni-30-2022