Prescreening of Melt-blown material as mask filter
Melt blowing is a conventional fabrication method for microfibers and nanofibers. The randomly deposited fibers form a nonwoven sheet product that can be used as the filter of masks. The quality of melt blown nonwoven filter is the key in mask production. MD has the experience to provide pre-screening and analysis of melt-blown material by using our in-house optical instruments, electron microscopes and filtrating testing devices. We conduct melt-blown filter testing according to fabric weight, color, general fiber thickness and pore size range, electrostatic charge strength as well as general filtration rate.