US 80NW is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. Primarily used in drainage applications, this product prevents soil fines from entering the system extending drain life and performance. US 80NW meets the following M.A.R.V. values except where noted:
| PROPERTY |
TEST METHOD |
ENGLISH |
METRIC |
| Weight - Typical |
ASTM D-5261 |
3.1 oz/sy |
105 g/sm |
| Tensile Strength |
ASTM D-4632 |
80 lbs |
356 N |
| Elongation @ Break |
ASTM D-4632 |
50% |
50% |
| Mullen Burst |
ASTM D-3786 |
145 psi |
1,000 kPa |
| Puncture Strength |
ASTM D-4833 |
40 lbs |
178 N |
| CBR Puncture |
ASTM D-6241 |
175 lbs |
779 N |
| Trapezoidal Tear |
ASTM D-4533 |
30 lbs |
133 N |
| Apparent Opening Size |
ASTM D-4751 |
50 US Sieve |
0.30 mm |
| Permittivity |
ASTM D-4491 |
2.20 Sec-1 |
2.20 Sec-1 |
| Water Flow Rate |
ASTM D-4491 |
150 g/min/sf |
6,095 l/min/sm |
| UV Resistance @ 500 Hours |
ASTM D-4355 |
70% |
70% |
| ROLL SIZE |
AREA |
WEIGHT |
| 12.5' x 360' |
500 sys |
125 lbs |
| 15' x 360' |
600 sys |
145 lbs |
Spec Interpretation