TEST METHOD

TEST VALUE

Polymer Density

ASTM D 1505

.941 g/cc - .960 g/cc

Sheet Gauge

ASTM D 5199

50 mil + 4 mil
(1.25 mm + .10 mm)

Carbon Black Content

ASTM D 1603

1.5 percent minimum weight carbon black

Environmental Stress Crack Resistance (ESCR)

ASTM D 1693

4,000 hr. minimum

Seam Hang Strength

4” (101.6 mm) weld joint supporting load of 160 lb. (72.5kg)

OR

30 days minimum

4” (101.6 mm) weld joint supporting load of 160 lb. (72.5 kg) while undergoing temperature change from 74^oFto 130^oF (23^oC to 54^oC) on 1 hour cycles

7 days minimum

Seam Peel Strength, minimum

U.S. Army COE Tech Report
COE GL-86-19, Appendix A

Cell Seam Strength 65.5 lb (292 N) per inch of Cell Depth