Takardar nama ta zama larura ta yau da kullun a rayuwar mutane, kuma ingancin takarda shima yana shafar lafiyar mutane kai tsaye. Don haka, ta yaya ake gwada ingancin tawul ɗin takarda? Gabaɗaya magana, akwai alamun gwaji guda 9 don gwajin ingancin takarda na nama: bayyanar, ƙididdigewa, fari, tsayi mai ɗaukar nauyi, madaidaicin juzu'i, matsakaicin tsayi da matsakaicin taushi, ramuka, ƙura, microbiological da sauran alamomi. An ƙayyade ingancin tawul ɗin takarda ta hanyar gwaji. To ta yaya kuke gwada tawul ɗin takarda? A cikin wannan labarin, za mu gabatar da hanyar gano tawul ɗin takarda da alamun ganowa na 9.
Na farko, ƙididdigar ganowa na tawul ɗin takarda
1, bayyanar
Bayyanar tawul ɗin takarda, gami da bayyanar marufi na waje da tawul ɗin takarda. Lokacin zabar tawul ɗin takarda, yakamata ku fara bincika marufi. Hatimin marufi yakamata ya zama mai tsabta kuma mai ƙarfi, babu karyewa; ya kamata a buga marufi tare da sunan masana'anta, ranar samarwa, rajistar samfur (mafi girma, matakin farko, samfuran ƙwararru), ta amfani da madaidaicin lambar, aiwatar da daidaitaccen lambar lafiya (GB20810-2006) da sauran bayanai.
Na biyu, shi ne a duba bayyanar tsaftar takardar, ko akwai matattu folds a fili, gurguntacce, karye, toshe mai kauri, danyewar ciyayi, da magudanar ruwa da sauran cututtuka da ƙazanta na takarda, amfani da takarda ko an sami asarar gashi mai tsanani. foda sabon abu, ko akwai ragowar tawada bugu.
2. Quantitative
Wato, rabo ko adadin zanen gado ya isa. Bisa ga ma'auni, abun ciki na net na 50 grams zuwa 100 grams na kaya, rashin daidaituwa ba zai wuce 4.5 grams ba; 200 grams zuwa 300 grams na kaya, kada ya wuce 9 grams.
3, fari
Takardar nama ba ita ce mafi fari ba. Musamman fararen tawul ɗin takarda na iya ƙara yawan adadin bleach ɗin da ya wuce kima. Wakilin fluorescent shine babban dalilin dermatitis na mata, amfani da dogon lokaci kuma yana iya haifar da ciwon daji.
Yadda za a gane ko bleach mai kyalli ya wuce kima? Wanda aka fi so tare da ido tsirara ya kamata ya zama fari na hauren giwa na halitta, ko sanya tawul ɗin takarda a cikin hasken ultraviolet (kamar gano kuɗi) a ƙarƙashin hasken iska, idan akwai shuɗi mai haske, yana tabbatar da cewa yana ɗauke da wakili mai kyalli. Fari mai haske a kan ƙananan ko da yake ba zai shafi yin amfani da tawul ɗin takarda ba, amma amfani da albarkatun kasa ba shi da kyau, kuma gwada kada ku zabi waɗannan samfurori.
4, shayar da ruwa
Kuna iya sauke ruwa akansa don ganin yadda sauri yake sha, saurin gudu, mafi kyawun sha ruwa.
5, fihirisar jijjiga ta gefe
Shin taurin takarda. Ko yana da sauƙin karya lokacin amfani da shi.
Wannan alama ce mai mahimmanci na samfurori na takarda, takarda mai kyau ya kamata ya ba mutane jin dadi da jin dadi. Babban dalilin da ya shafi laushi na takarda na nama shine kayan albarkatun fiber, tsarin wrinkling. Gabaɗaya magana, ɓangaren litattafan almara ya fi ɓangarorin itace kyau, ɓangaren itace ya fi ɓangaren alkama, laushi ya wuce daidaitattun takarda da ake amfani da su don jin ƙanƙara.
7 ,gudu
Hole nuna alama shine adadin ramuka akan tawul ɗin takarda mai ƙayyadaddun ƙayyadaddun buƙatu, ramukan za su yi tasiri akan yin amfani da tawul ɗin takarda, ramukan da yawa a cikin tawul ɗin takarda mai wrinkled ba kawai bayyanar matalauta ba ne, a cikin amfani, amma har ma da sauƙi. karya, yana shafar tasirin shafa.
8, kura
Maganar gama gari ita ce takarda tana da ƙura ko a'a. Idan albarkatun kasa shine ɓangaren litattafan almara na itace na budurwa, ƙwayar bamboo budurwa, digiri na ƙura ba shi da matsala. Amma idan kun yi amfani da takarda da aka sake yin fa'ida a matsayin albarkatun ƙasa, kuma tsarin bai dace ba, ƙimar ƙura yana da wuyar cika ma'auni.
A takaice, kyakkyawar takarda mai kyau gabaɗaya fari ce ta hauren giwa, ko launin gora mara lahani. Uniform da m texture, takarda mai tsabta, babu ramuka, babu matattu matattu, ƙura, danyen ciyawar ciyawa, da dai sauransu, yayin da ƙananan tawul ɗin takarda suna kallon launin toka mai launin toka da ƙazanta, tare da taɓa hannun zai zama foda, launi da launi. har ma da asarar gashi.
Lokacin aikawa: Oktoba-15-2024
