PP,PP+PE,SMS,MICROPOROUS,how to choose the right material?
| 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 |
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