Geomembranes Essentially impermeable sheets produced from polymeric materials. Geomembranes are manufactured several ways, excluding woven methods as they would leave unacceptably large voids in the material. Suitable materials include PVC, Polypropylene, Polyethylene and HDPE

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APPLICATION	PRIMARY FUNCTION
Hazardous Solid Waste Land Filled	Impervious barrier
Municipal Solid Waste Land Filled	Impervious barrier
Road Work	Impervious barrier
Air Field	Impervious barrier
Water Reservoir	Impervious barrier
Evaporation Pond	Impervious barrier
Land Filled Capping	Impervious barrier

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Property	Test Method	Nominal Values
Thickness, mm	ASTM D 751/1593/5199	1.0	1.5	2.0	2.5	3.0
Density, g/cc	ASTM D 792/1505	0.94	0.94	0.94	0.94	0.94
Strength at Break, N/mm	ASTM D 6693, Type IV	34	52	69	86	103
Strength at Yield, N/mm	ASTM D 6693, Type IV	16	25	33	41	50
Elongation at Break, %	ASTM D 6693, Type IV	750	800	800	800	800
Elongation at Yield, %	ASTM D 6693, Type IV	15	15	15	15	15
Tear Resistance, N	ASTM D 1004	146	222	293	369	445
Puncture Resistance, N	FTMS 101, Method 2065	267	400	533	667	800
Carbon Black Content, %	ASTM D 1603	2-3	2-3	2-3	2-3	2-3
Carbon Black Dispersion	ASTM D 3015	A1/A2	A1/A2	A1/A2	A1/A2	A1/A2
Dimensional Stability, % (each direction)	ASTM D 1204, 100°C 1hr	±1	±1	±1	±1	±1
Environmental Stress Crack Resistance, hr	ASTM D 1693, Cond. B	>2000	>2000	>2000	>2000	>2000
Low Temperature Brittleness, °C	ASTM D 746, Cond. B	<-84	<-84	<-84	<-84	<-84
Oxidative Induction Time, minutes	ASTM D 3895, 200°C Pure O2, 1 atm	100	100	100	100	100
Ozone Resistance	ASTM D 1149, 7 days 100ppm	No Cracks	No Cracks	No Cracks	No Cracks	No Cracks
Water Absorption, % wt. change	ASTM D 570	<0.01	<0.01	<0.01	<0.01	<0.01
Moisture Vapour Transmission, g/m²	ASTM E 96	<0.001	<0.001	<0.001	<0.001	<0.001
Melt Flow Index, g/10 minutes	ASTM D 1238, Cond. 190/2.16	<=1.0	<=1.0	<=1.0	<=1.0	<=1.0