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 on 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