... Asahi KASEI series Japan non-woven Clean Cloth(replace Bemcot M-3)Applications : widely used in cleanroom of semiconductor,bio-pharmacy ... , a little soft,33gsm M-3(BY4)25cm*25cm100pcs/bag,30bags/ctnViscose+polyester, hard,33gsmM-3(TY4)25cm*25cm100pcs/bag,30bags ... 30bags/ctnSpecial synthetic fiber,very soft,49gsm, anti-acetoneB-M-3(TS)25cm*25cm100pcs/bag,30bags/ctnSpecial synthetic fiber,very soft ...