Ukuhlolwa kokuvimba kwe-Dolomiteukuhlolwa okungakhethwa kukho ku-Euro EN 149:2001+A1:2009.
Imaski ivezwa othulini lwe-dolomite olunobukhulu obungu-0.7 ~ 12μm kanti ukugcwala kothuli kufika ku-400±100mg/m3. Bese uthuli luhlungwa ngemaski ngesilinganiso sokuphefumula esilingisiwe samalitha ama-2 ngesikhathi. Ukuhlolwa kuyaqhubeka kuze kube yilapho ukuqongelela kothuli ngesikhathi seyunithi kufinyelela ku-833mg · h/m3 noma ukumelana okuphezulu kufinyelela inani elibekiwe.
Iukuhlunga kanye nokumelana nokuphefumula kwemaskizabe sezihlolwa.
Zonke izimaski ezidlula ukuhlolwa kokuvimba kwe-dolomite zingafakazela ukuthi ukumelana kokuphefumula kwalezi zimaski lapho zisetshenziswa ngokoqobo kukhuphuka kancane ngenxa yokuvimba uthuli, ngaleyo ndlela kunikeze abasebenzisi umuzwa wokugqoka okhululekile kanye nesikhathi eside sokusetshenziswa komkhiqizo.
Isikhathi sokuthunyelwe: Mashi-29-2023