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:
  • Microporous non woven material itself do not have fire-retardant properties.
  •  If adding Flame Retardant Granules into raw material, the final material will get the flame-retardant feature.
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