Melt-Blown PP factory Modified Polypropylene PP Meltblown resin for Non Woven Fabric Resin 1500 used in melt-blown non woven fabric machine The middle layer cloth of a face mask--the meltblown PP Meltblown resin for Non Woven Fabric nonwoven fabric is the most important functional component. It must filter more than 95% of micro-particles in air that contains invisible viruses and bacteria ,...