Does anyone here have any personal, specific, actionable knowledge of the melt-blown plastics process? Are there alternatives for achieving the N95 (or sufficie

Does anyone here have any personal, specific, actionable knowledge of the melt-blown plastics process? Are there alternatives for achieving the N95 (or sufficient) filtration levels in a different sheet material? Automating many steps of assembly are [more] straightforward, but this precursor material supply really is a problematic bottleneck.