Material: 100% PP
Weight: 25gsm or customized
Width: 175mm, 195mm, 260mm or customized
Particle Filtration Efficiency (PFE) : >=99, >=95, >=90, or customized
Color: white
Tested by 32L/min and 85L/min.
We have Particle Filtration Efficiency (PFE) test machine for melt blown non woven fabric. We test every roll before shipment to ensure the particle filtration efficiency (PFE) is more than ninty five percentage. So we can make sure that our KN95 face mask respirator keeps particle filtration efficiency (PFE) more than ninty five percentage.