PROTECTING OUR AIR AND WATER WITH FLEXIBLE MEMBRANE
LINERS, COVERS, AND FABRICATIONS

LINER COMPARISON A

PetroGard IV PetroGard VI PetroGard X 8130 XR-5 HDPE 80 mil. Thickness-in. ASTM D-751 .040 .030 .040 .030 .080 Base Fabric Weight Method 5041 oz./sq. yd. 7.5 7.5 13.0 6.5 n/a Finish Weight Method 5041 oz./sq. yd. 38 30 38 30 57.5 Tensile Strength-lbs. Method 5100 (Grab) Method 5102 (Strip) Yield 650/650 485/485 650/650 485/485 1100/1100 775/725 475/425 400/350 304/176 Adhesion/1” seal-lbs. ASTM D-2163 15 15 20 10 10 Low Temperature - EF. ASTM D-2136 1” Mandrel -40 -40 -50 -30 n/a Flexibility Resistance to Cracking 10# roller sample size 2” x 12” fold 180 E pass roller 10 times PASS PASS PASS PASS FAIL Puncture Resistance-lbs. ASTM D-751 (Ball Tip) 950 lbs. 950 lbs. 1750 lbs. 650 lbs. 400 lbs. Dead Load Seam Strength lbs. @ 70EF lbs. @ 160EF. 242 121 242 121 250 125 210 105 200 87