US 180NW is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. This product can be used in drainage applications or can be used for separation under roads, driveways or parking areas. US 180NW meets the following M.A.R.V. values except where noted:
| PROPERTY |
TEST METHOD |
ENGLISH |
METRIC |
| Weight - Typical |
ASTM D-5261 |
7.0 oz/sy |
237 g/sm |
| Tensile Strength |
ASTM D-4632 |
180 lbs |
800 N |
| Elongation @ Break |
ASTM D-4632 |
50% |
50% |
| Mullen Burst |
ASTM D-3786 |
330 psi |
2,275 kPa |
| Puncture Strength |
ASTM D-4833 |
105 lbs |
467 N |
| CBR Puncture |
ASTM D-6241 |
475 lbs |
2,114 N |
| Trapezoidal Tear |
ASTM D-4533 |
75 lbs |
333 N |
| Apparent Opening Size |
ASTM D-4751 |
70 US Sieve |
0.212 mm |
| Permittivity |
ASTM D-4491 |
1.40 Sec-1 |
1.40 Sec-1 |
| Water Flow Rate |
ASTM D-4491 |
100 g/min/sf |
4,074 l/min/sm |
| UV Resistance @ 500 Hours |
ASTM D-4355 |
70% |
70% |
| ROLL SIZE |
AREA |
WEIGHT |
| 12.5' x 360' |
500 sys |
220 lbs |
| 15' x 300' |
500 sys |
220 lbs |
Spec Interpretation
