US 270NW is a 10 OZ MARV WEIGHT nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. US 270NW is resistant to ultraviolet deterioration, rotting, biological degradation, naturally encountered bases and acids. Polypropylene is stable within a pH range of 2 to 13. US 270NW meets the following M.A.R.V. values:
| PROPERTY |
TEST METHOD |
ENGLISH |
METRIC |
| Weight |
ASTM D-5261 |
10 oz/sy |
339 g/sm |
| Tensile Strength |
ASTM D-4632 |
270 lbs |
1,200 N |
| Elongation |
ASTM D-4632 |
50% |
50% |
| Thickness |
ASTM D-5199 |
110 mils (at time of manufacture) |
2.79 mm (at time of manufacture) |
| CBR Puncture |
ASTM D-6241 |
725 lbs |
3,220 N |
| Trapezoidal Tear |
ASTM D-4533 |
100 lbs |
440 N |
| Apparent Opening Size |
ASTM D-4751 |
100 US Sieve |
0.150 mm |
| Permittivity |
ASTM D-4491 |
0.94 Sec-1 |
0.94 Sec-1 |
| Permeability |
ASTM D-4491 |
0.3 cm/sec |
0.3 cm/sec |
| Water Flow Rate |
ASTM D-4491 |
75 g/min/sf |
3,055 l/min/sm |
| UV Resistance @ 500 Hours |
ASTM D-4355 |
70% |
70% |
| ROLL SIZE |
AREA |
WEIGHT |
| 15' x 300' |
500 sys |
328 lbs |
Spec Interpretation
