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(HDPE) High Density Polyethylene - Textured

Geomembrane Liners

Polyethylene liners typically offer superior tensile strength and stiffness and are resistant to chemicals and puncture. These geomembranes are safe for potable water containment and can be fabricated into panels of up to one acre in size. Based on GM 13 "Standard Specification for Test Methods, Test Properties and Testing Frequency for
High Density Polyethylene (HDPE) Smooth and Textured Geomembranes”
11/14/14
For critical applications requiring geomembrane liner manufactured to minimum tolerances the following properties are suggested. For non critical applications these properties should be used as a guideline only. Feel free to call us to discuss your project. (800)518-2290.

(HDPE) High Density Polyethylene - Textured
(HDPE) High Density Polyethylene - TexturedPolyethylene Properties
Property Test Method Test Value
Thickness ASTM D-5199 20 Mil 30 Mil 40 Mil 50 Mil 60 Mil 80 Mil 100 Mil 120 Mil
Asperity Height mils (min. avg)GM 12N/A16 mil (1)16 mil (1)16 mil (1)16 mil (1)16 mil (1)16 mil (1)16 mil (1)
Density-0.940 g/ml0.940 g/ml0.940 g/ml0.940 g/ml0.940 g/ml0.940 g/ml0.940 g/ml
Tensile Properties-Note 3Note 3Note 3Note 3Note 3Note 3Note 3
Yield StrengthASTM D-6693 Type IV-63 lb/in84 lb/in105 lb/in126 lb/in168 lb/in210 lb/in252 lb/in
Break StrengthASTM D-6693 Type IV-45 lb/in60 lb/in75 lb/in90 lb/in120 lb/in150 lb/in180 lb/in
Yield ElongationASTM D-6693 Type IV-12 %12 %12 %12 %12 %12 %12 %
Break Elongation - %ASTM D-6693 Type IV-100 %100 %100 %100 %100 %100 %100 %
Tear Resistance (min. avg)ASTM D-1004-21 lb28 lb35 lb42 lb56 lb70 lb84 lb
Puncture Resistance (min. avg)ASTM D-4833*-45 lb60 lb75 lb90 lb120 lb150 lb180 lb
Stress Crack ResistanceASTM D-5397 (App.)-300 hr (4)300 hr (4)300 hr (4)300 hr (4)300 hr (4)300 hr (4)300 hr (4)
Carbon Black Content (range)ASTM D-1603-2.0-3.0 % (5)2.0-3.0 % (5)2.0-3.0 % (5)2.0-3.0 % (5)2.0-3.0 % (5)2.0-3.0 % (5)2.0-3.0 % (5)
Carbon Black DispersionASTM D-5596-Note 6Note 6Note 6Note 6Note 6Note 6Note 6
Oxidative Induction Time (OIT) (min. avg)-Note 7Note 7Note 7Note 7Note 7Note 7Note 7
Standard OITASTM D-3895-100 min100 min100 min100 min100 min100 min100 min
High Pressure OITASTM D-5885-400 min400 min400 min400 min400 min400 min400 min
Oven aging at 85 degrees CASTM D-5721-Note 7,8Note 7,8Note 7,8Note 7,8Note 7,8Note 7,8Note 7,8
Standard OIT (min. avg) - % retained after 90 daysASTM D-3895-55 %55 %55 %55 %55 %55 %55 %
High Pressure OIT (min. avg) - % retained after 90 daysASTM D-5885-80 %80 %80 %80 %80 %80 %80 %
UV ResistanceGM 11-Note 9Note 9Note 9Note 9Note 9Note 9Note 9
Standard OIT (min. avg)ASTM D-3895-N.R. (10)N.R. (10)N.R. (10)N.R. (10)N.R. (10)N.R. (10)N.R. (10)
High Pressure OIT (min. avg) - % retained after 1600 hoursASTM D-5885-50 %50 %50 %50 %50 %50 %50 %
Geomembrane Landfill
 
 
 

(1) Of 10 readings; 8 out of 10 must be >/= 14 mils and lowest individual reading must be >/= 12 mils; also see note 6.
(2) Alternate the measurement side for double sided textured sheet.
(3) Machine direction (MD) and cross machine direction (XMD) average values should be on the basis of 5 test specimens each direction.Yield elongation is calculated using a gage length of 1.3 inches.Break elongation is calculated using a gage length of 2.0 inches.
(4) P-NCTL test is not appropriate for geomembranes with textured or irregular surfaces. Test smooth edges of textured rolls or smooth sheets made from the same formulation as textured sheet materials.The yield used tocalculate the applied load for SP-NCTL test should be themanufacturer's mean value via MQC testing.
(5) Other methods such as D 1603 (tube furnace) or D 6370 (TGA) are acceptable if an appropriate correlation to D 4218 (muffle furnace) can be established.
(6) Carbon black dispersion (only near spherical agglomerates) for 10 different views: 9 in Categories 1 or 2 and 1 in Category 3.
(7) The manufacturer has the option to select either one of the OIT methods listed to evaluate the antioxidant content in the geomembrane.
(8) It is also recommended to evaluate samples at 30 and 60 days to compare with the 90 day response.
(9) The condition of the test should be 20 hr. UV cycle at 75 Degree C followed by 4 hr. condensation at 60 Degree C
(10) Not recommended since the high temperature of the Std-OIT test produces an unrealistic result for some of the antioxidants in the UV exposed samples.
(11) UV resistance is based on percent retained value regardless of the original HP-OIT value.

This information is provided for reference only and is not intended as a warranty or guarantee. US Fabrics assumes no liability in connection with the use of this information (1/2019).