Shenhai tawg-pov thawj
Xylene yog categorized li Class 3 Cov khoom txaus ntshai thiab raug lees paub tias yog cov kua ua kua.
Raws li tau teev tseg los ntawm lub “Classification thiab Nomenclature of Dangerous Goods” (GB6944-86) thiab cov “Classification thiab Labeling ntawm Common Hazardous Chemicals” (GB13690-92), Tshuaj lom neeg muaj kev phom sij tau muab faib ua yim pawg. Xylene, ua hauj lwm raws li ib tug diluent, raug xaiv los ua cov khoom siv phom sij thiab tshwj xeeb raug txheeb xyuas raws li Chav Kawm 3 flammable kua.