Enhancing our environment by preserving water resources for future generationsEnvironmental Protection, Inc.CALL EPI at 800-OK-LINERHow to Contact EPI
Enhancing our environment by preserving water resources for future generationsEnhancing our environment by preserving water resources for future generationsEnhancing our environment by preserving water resources for future generations
Enhancing our environment by preserving water resources for future generationsHOMEPRODUCTSSERVICESTechnical InfoThe Liner LetterCase StudiesSearchSite MapFAQ
Enhancing our environment by preserving water resources for future generations

Polypropylene Geomembrane


Reinforced polypropylene provides a versatile flexible geomembrane liner. The unique three ply construction with a combination of custom fabric reinforcement encapsulated by extruded high performance polypropylene provides a strong, highly chemical resistant liner.

The chemically inert polymer is modified to provide many specialized properties that include excellent flexibility, low thermal coefficient of expansion and contraction, outstanding dimensional stability, wide temperature range for excellent seaming and good chemical resistance in exposed liner applications. All factory and field seams are thermally welded.

45 MIL POLYPROPYLENE PHYSICAL PROPERTIES

PROPERTY TEST METHOD VALUES
Gauge, Nominal (Mils)  ASTM-D751 45 ± 10%
Plies Reinforcing   1
Breaking Strength            ASTM-D751, Method A 300 x 250 lbs.
Tear Strength
(lbs. Min.)
ASTM-D751,
Tongue Tear
100 lbs.
Low Temperature (° F) ASTM-D2136,
1/8" Mandrel – 4 hrs.
-65° F
Dimensional Stability
(% Change Max.)
ASTM-D1204
(180° F/1 hour)
1 %
Hydrostatic Resistance
(psi Min.)
ASTM-D751,
Method A
350 psi
Ply Adhesion
(lbs./in. Min.)
ASTM-D413 20 lbs.
Puncture Resistance FTM-101 B,
Method 2031
250 lbs.
Water Absorption
(Max. % Weight Change)
ASTM-D471  <1%
U. V. Resistance
(Hours)  
ASTM G-26
Xenon Arc @ 80° C
Pass @ 12,000 hours +
Resistance to Soil Burial
(% Tensile Retention)
ASTM-D3083
(Part. 9.5)
90% Min.

The data shown are the result of laboratory tests and are intended to be used as a guide. No performance, fitness, or any other warranty is intended, expressed or implied by the data.

MAIN LINKS
Installation
Thermal Welding
Durability
Case Studies
Solutions
Quality Control Manual
Published Papers
Enhancing our environment by preserving water resources for future generations