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Properties for 60 mil Textured Geomembrane <br /> Test Test Designation Requirements <br /> Sheet Thickness ASTM D5994 60 mils minus 10% for any <br /> measurement and the average of all <br /> measurements for any roll, not less <br /> than 60 mils (does not include <br /> textured surface) <br /> Asperity GRI-GM No. 12 20 mil(')and examine for uniformity <br /> of texture visually. Grid or "waffle" <br /> style texturing is not allowed <br /> Sheet Density ASTM D792,Method B or D 1505 0.940—0.950 g/cm <br /> Oxidation Induction Time of ASTM D3895,200°C, 1 atm Minimum 100 minutes <br /> Polyolefins <br /> Tensile Strength Yield ASTM D6693 Min. 126 lb.Per in.Width <br /> Tensile Strength at Break ASTM D6693 Min.90 lbs per in.Width <br /> Elongation at Yield ASTM D6693 Min. 12% <br /> Elongation at Break ASTM D6693 Min. 150% <br /> Tear Resistance ASTM D1004,Die C Min.42 lb. <br /> Puncture Resistance ASTM D4833 Min. 108 Ib. <br /> Dimensional Stability(Each ASTM D1204,212°F 15 min. 2%max.Change <br /> Direction) <br /> Notched Constant Tensile Load ASTM D5397 >200 hours @ 30%of yield stress <br /> Low Temperature Brittleness ASTM D746 Procedure B Minus 100°F <br /> Carbon Black Content ASTM D4218 2 to 3% <br /> Carbon Black Dispersion ASTM D5596 For 10 different views:9 in categories <br /> 1 or 2 and 1 in Cate o 3 <br /> (1)But not less than the asperity of the geomembrane used for interface shear testing <br /> 8. The QA/QC CONSULTANT shall perform interface shear strength tests in <br /> accordance with ASTM D5321 that demonstrates that the minimum <br /> post-peak(@ 3-inch or more deformation)interfacial shear strength between <br /> the textured side of the HDPE Geomembrane and the cushion geotextile meet <br /> the following requirements: <br /> Normal Stress(RSD Minimum Shear Stress s <br /> 2,000 700 <br /> 4,000 1,110 <br /> 8,000 1,950 <br /> 12,000 2,780 <br /> a. Post-peak conditions are defined as the point at which the applied <br /> shear stress remains constant with increasing displacement up to <br /> 3-inch or more. Perform the interface shear strength tests between the <br /> textured HDPE Geomembrane and the cushion geotextile in <br /> accordance with the following: <br /> b. Spray textured side of site specific HDPE geomembrane with water. <br /> Forward Landfill WMU FU-14 HIGH DENSITY POLYETHYLENE <br /> 02778 8 (HDPE)GEOMEMBRANE <br />