An bincika yadda katifar otal ɗin formaldehyde gurɓataccen gurɓataccen iska?
Katifar otal kwanan nan da hukumar kula da ingancin inganci, dubawa da keɓewa ta buga a cikin 2011 bazara katifa na ƙasa ingancin kulawa da sakamakon binciken tabo, gwajin da aka zaɓa ya gano nau'ikan samfuran ɗari guda goma sha biyu ba su bi ka'idodin ma'auni ba, wanda, akwai nau'ikan nau'ikan nau'ikan nau'ikan katifa na bazara na formaldehyde guda 11 suna sakin adadin da za su wuce bid.
bisa ga tanadin katifa fiye da murabba'in murabba'in mita 1 a cikin sa'a 1 kowace bazara kwanciya na sakin makamashi na formaldehyde ba zai iya zama fiye da sifili sifili biyar MG ba, ta hanyar duba tabo, an gano cewa wani nau'in kasuwanci da ke kera alama a yunnan spring katifa ya kai maki daya da biyar tara MG, da formaldehyde ya saki adadin zuwa adadin da aka auna don kiba sau 31. Farko katifa na bazara na wuce kima formaldehyde babban matsala a cikin kwanciya, wasu 'yan kasuwa domin ya ceci wasu kudin da ake samarwa, amfani da 'kanta' wuce kima adadin abu, soso a matsayin kwanciya kayan, cika katifa ne formaldehyde ya wuce oda, ba shakka.
biye da wani ɗan kasuwa mai ban sha'awa don yin tafin taurin ƙarfi da haɓaka ƙarfi, yana amfani da makanta mai yawa, kodayake yawancin haɓakar dabino na dabino, adhesive yana kan bazuwar formaldehyde, formaldehyde ya wuce misali. Katifa formaldehyde yayi yawa da yawa, suna cikin fitsarin aldehyde resin sanda daga cikin kumfa, da zarar fasaha ba kasuwancin samarwa bane, formaldehyde na iya rushewa da sauri.
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