Fabric Brief introduction Dustproof Liquidproof Comfort level Polypropylene PP Via extrusion methods to product melt-blown and spun-bond fibers 50-70μm (35-45gsm) Yes (for a short time) Breathable PP+PE PP with PE coating Yes Yes Not breathable SMS Spunbond + meltblown + spunbond nonwoven 10-30μm (45-55gsm) Yes (over a period of time) Breathable very soft to wear Microporous Film Microporous membrane (barrier coating) + polypropylene nonwoven 0.5μm (as Tyvek) Yes (Best) Not breathable Protection level: depends on the material weight(g/m2) and the compositions of the fabric. Fire Retardant Feature Details: […]