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: […]

SMS is the abbreviation of “Spunbond + Meltblown + Spunbond Nonwovens”, that is a combined nonwoven fabric which two layer spunbond have been combined with one layer meltblown nonwovens inside, conforming them into a layered products, called SMS nonwoven fabrice (spun-melt-spun), if combined with two layer meltblown nonwoven inside, it’s called SMMS nonwoven fabric (spun-melt-melt-spun), […]