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GSE HD<br />

GSE HD is a high quality, high-density polyethylene (HDPE) geomembrane produced from a specially formulated,<br />

proprietary virgin polyethylene resin designed specifically for flexible geomembrane applications. GSE HD has<br />

outstanding chemical resistance, mechanical properties, environmental stress crack resistance, dimensional stability<br />

and thermal ageing characteristics. GSE HD also has excellent resistance to UV radiation and is suitable for<br />

exposed conditions.<br />

Product Specifications<br />

Tested Property Test Method Minimum Values (1)<br />

Thickness (mm) (2) ASTM D 5199 0.75 1.0 1.5 2.0 2.5<br />

Density g/cm³ ASTM D 792/1505A 0.94 0.94 0.94 0.94 0.94<br />

Tensile Properties (each ASTM D 6693, Type IV<br />

direction)<br />

Speed 50 mm pm<br />

Strength at Break (N/mm) 20 27 40 53 67<br />

Strength at Yield (N/mm) 11 15 22 29 37<br />

Elongation at Break, % G.L. (50 mm) 700 700 700 700 700<br />

Elongation at Yield, % G.L. (33 mm) 12 12 12 12 12<br />

Tear Resistance (N) ASTM D 1004 93 125 187 249 311<br />

Puncture Resistance (N) ASTM D 4833 240 320 480 640 800<br />

Carbon Black Content % ASTM D 1603 2.0 2.0 2.0 2.0 2.0<br />

Carbon Black Dispersion ASTM D 5596<br />

(3) (3) (3) (3) (3)<br />

Environmental Stress Crack ASTM D 5397<br />

300 300 300 300 300<br />

Resistance, hr<br />

Appendix<br />

Reference Property Test Method Nominal Values<br />

Melt Flow Index, g/10<br />

minutes<br />

Dimensional Stability (each<br />

direction). %<br />

Oxidative induction time,<br />

Minutes (Standard OIT)<br />

Oxidative induction time,<br />

Minutes (HP OIT)<br />

Oven Aging, 85ºC, 90 days/<br />

Standard OIT, % retained<br />

UV exposure 1,600 hrs/ HP<br />

OIT, % retained (4)<br />

ASTM D 1238. Cond.<br />

190°C/2.16 kg<br />

ASTM D 1204, 100ºC,<br />

1 hour<br />

ASTM D 3895, 200 o C,<br />

pure O2, 1atm<br />

ASTM D 5885, 150ºC,<br />

pure O2, 500 psig<br />

ASTM D 5721/<br />

<strong>For</strong> <strong>inspection</strong> <strong>purposes</strong> <strong>only</strong>.<br />

<strong>Consent</strong> <strong>of</strong> <strong>copyright</strong> <strong>owner</strong> <strong>required</strong> for any other use.<br />

ASTM D 3895<br />

GRI-GM 11/<br />

ASTM D 5885<br />

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