US 380NW is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. This product can be used under riprap for erosion control; for separation in road and railroad applications; and will act as a cushion in geomembrane applications. US 380NW meets the following M.A.R.V. values except where noted:
| PROPERTY |
TEST METHOD |
ENGLISH |
METRIC |
| Weight - Typical |
ASTM D-5261 |
16 oz/sy |
542 g/sm |
| Tensile Strength |
ASTM D-4632 |
380 lbs |
1,690 N |
| Elongation @ Break |
ASTM D-4632 |
50% |
50% |
| Mullen Burst |
ASTM D-3786 |
750 psi |
5,168 kPa |
| Puncture Strength |
ASTM D-4833 |
240 lbs |
1,070 N |
| CBR Puncture |
ASTM D-6241 |
1,080 lbs |
4,806 N |
| Trapezoidal Tear |
ASTM D-4533 |
145 lbs |
644 N |
| Apparent Opening Size |
ASTM D-4751 |
100 US Sieve |
0.150 mm |
| Permittivity |
ASTM D-4491 |
0.70 Sec-1 |
0.70 Sec-1 |
| Water Flow Rate |
ASTM D-4491 |
50 g/min/sf |
2,035 l/min/sm |
| UV Resistance @ 500 Hours |
ASTM D-4355 |
70% |
70% |
| ROLL SIZE |
AREA |
WEIGHT |
| 15' x 150' |
250 sys |
250 lbs |
Spec Interpretation
