US 120NW 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 and can also be used in lightweight separation applications. US 120NW will satisfy the requirements as outlined in AASHTO M-288-06 for Class 3 applications and meets the following M.A.R.V. values except where noted:
| PROPERTY |
TEST METHOD |
ENGLISH |
METRIC |
| Weight - Typical |
ASTM D-5261 |
4.5 oz/sy |
142 g/sm |
| Tensile Strength |
ASTM D-4632 |
120 lbs |
533 N |
| Elongation @ Break |
ASTM D-4632 |
50% |
50% |
| Mullen Burst |
ASTM D-3786 |
225 psi |
1,551 kPa |
| Puncture Strength |
ASTM D-4833 |
65 lbs |
289 N |
| CBR Puncture |
ASTM D-6241 |
340 lbs |
1,513 N |
| Trapezoidal Tear |
ASTM D-4533 |
50 lbs |
222 N |
| Apparent Opening Size |
ASTM D-4751 |
70 US Sieve |
0.212 mm |
| Permittivity |
ASTM D-4491 |
1.70 Sec-1 |
1.70 Sec-1 |
| Water Flow Rate |
ASTM D-4491 |
120 g/min/sf |
4,885 l/min/sm |
| UV Resistance @ 500 Hours |
ASTM D-4355 |
70% |
70% |
| ROLL SIZE |
AREA |
WEIGHT |
| 12.5' x 360' |
500 sys |
152 lbs |
| 15' x 360' |
600 sys |
180 lbs |
Spec Interpretation