A Flexible Membrane Liner Comparison

Title: A Flexible Membrane Liner Comparison
Authors: M. Sadlier and R. Frobel
from the paper Geomembrane Properties - A Comparitive Perspective presented at the GeoEnvironmental Conference, Melbourne, November 1997

ATTRIBUTE	HDPE	LLDPE	PVC	EPDM	EIA	CSPE-R	FPP	GCL
General Chemical Exposure	Excellent	Good	Fair	Good	Excellent	Excellent (when cured)	Excellent	Fair
Hydrocarbon Exposure	Good	Good	Fair	Good	Excellent	Good (when cured)	Good	Poor
Weathering (UV Exposure)	Excellent	Fair	Poor	Excellent	Excellent	Excellent (when cured)	Excellent	Poor
Thermal Stability	Poor	Poor	Good	Excellent	Good	Excellent	Good - Excellent when reinforced	Good
Tensile Performance	Good	Good	Good	Good	Excellent	Excellent	Good - Excellent when reinforced	Good
Uni-Axial Elongation Performance	Excellent	Excellent	Good	Good	Fair	Good	Excellent	Fair
Multi-Axial Elongation Performance	Poor	Excellent	Excellent	Good	Fair	Good	Excellent	Fair
Puncture Performance	Fair	Excellent	Excellent	Good	Excellent	Good	Good	Good
Installation Damage Resistance	Fair	Fair	Excellent	Excellent	Good	Good	Excellent	Good
Seaming Methods	Thermal/ Excellent	Thermal/ Excellent	Thermal or solvent bonding/ Good	Tape seams/ Good	Thermal/ Excellent	Thermal or solvent bonding/ Good	Thermal/ Excellent	Laps Only
Repair in Service	Good	Good	Good	Good	Good	Poor/ requires adhesives	Excellent	NA
Stress Cracking	Fair	Good	Does not occur	Does not occur	Does not occur	Does not occur	Does not occur	Does not occur
Flexibility in Detailing	Fair	Excellent	Good	Good	Good	Good	Excellent	NA

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