XR® Geomembranes vs. Polypropylene

Comparison of Coated Fabric vs. Laminate 

 

30 mil
XR-5®

36 mil
Polypropylene

45 mil
Polypropylene

Tensile Strength
ASTM D-751 Grab Method
550 lbs 275 lbs 300 lbs
Puncture Resistance
ASTM D-751 Ball Tip
650 lbs 200 lbs 200 lbs
Hydrocarbon Resistance Excellent Poor Poor
Blocking Resistance Excellent Fair Fair
Water Absorption
(100°C, 7 days)
+9.9% +85.8% +85.8%
Hydrostatic Resistance
ASTM D-751
800 psi 375 psi 375 psi
Years of U.S. Market 27 13 13
Seam Strength
Compared to Parent Material
≥100% <80% <90%
High Temp. Dead Load
2" seam, 4 hrs. (105 lbs @160°F)
Pass  Fail Fail