Liquid Properties

Liquid Meltblown Media
Product Type Basis Weight (GSM) Air Perm
(CFM)
Bubble Point (IPA) Mean Flow Pore
PBT        
Calendered 80-155 2.7-0.16 up to 85" W.C. <1-5 Micron
Uncalendered 10-135 10->700 up to 20" W .C. >200-10 Micron
         
Polypropylene        
Calendered 27-170 100-0.07 up to 125" W.C. <0.6-15 Micron
Uncalendered 15-410 10->700 up to 20" W.C. >200-10 Micron
         
Liquid Spunbond Media Metric Units
Type Area weight (g/m²) Tensile strength MD / CD (N/5cm) Elongation MD / CD (%) Air perm (l/m²*s)
021/150 150 370 / 330 20 / 20 1000
488/30 30 70 / 60 17 / 22 4200
488/50 50 140 / 130 22 / 27 2800
488/70 70 170 / 130 23 / 26 3100
488/80 80 230 / 210 22 / 26 1500
488/100 100 310 / 260 23 / 26 1300
         
Liquid Spunbond Media US Units
Type Area weight (oz/yd²) Grab Test Breaking force MD / CD (lbf) Elongation MD / CD (%) Air perm ASTM D 737 (cfm)
021/150 4.42 80 / 70 20 / 20 150
488/30 0.88 15 / 13 17 / 22 630
488/50 1.47 30 / 29 22 / 27 310
488/70 2.06 38 / 30 23 / 26 420
488/80 2.36 50 / 47 22 / 26 260
488/100 2.95 60 / 58 23 / 26 180