feature:1.It is very thin,0.2-0.5mm 2.suitable for making face mask,respirator,and so on Activated carbon non-woven is a new filter material--be made from high efficient adsorption material activated carbon and non-woven combination,which is a chemical material has strong adsorption role.such as Benzenes,NHa,formaldehyde,VOC gas,set of filter dust,impurity particles and chemical adsorption ...