Cow Carpet® is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. US 180NW Cow Carpet® meets the Natural Resources Conservation Service Class 1 Nonwoven Geotextile Fabric Specification and 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 |