Pore size of  0.1m (for water purification) Excellent flexibility and mechanical strength   They completely remove bacteria.   Air scrubbing is possible. Permanently hydrophilic Can be burned for disposal   They support dry storage and direct water inflow from dry condition.   Easy waste disposal. Membranes made using the melt spinning and drawing process   Free of solvents or endocrine disruptors, this membrane production method has only a minor impact on the environment.