US 230 is a woven monofilament filtration geotextile made of 100% polypropylene yarns. This product is specifically designed for drainage and filtration applications, but may also be used for separation & stabilization applications. US 230 will satisfy the requirements as outlined in AASHTO M-288-06 for Permanent Erosion Control & Subsurface Drainage (<15% fines) and meets the following M.A.R.V. values except where noted:
| PROPERTY |
TEST METHOD |
ENGLISH |
METRIC |
| Weight - Typical |
ASTM D-5261 |
8.0 oz/sy |
271 g/sm |
| Tensile Strength |
ASTM D-4632 |
400 x 315 lbs |
1,780 x 1,402 N |
| Elongation @ Break |
ASTM D-4632 |
15 x 15% |
15 x 15% |
| Wide Width Tensile |
ASTM D-4595 |
3,000 x 2,760 lbs/ft (250 x 230 lbs/in) |
43.8 x 40.3 kN/m |
| Puncture Strength |
ASTM D-4833 |
150 lbs |
668 N |
| CBR Puncture |
ASTM D-6241 |
1,150 lbs |
5,118 N |
| Trapezoidal Tear |
ASTM D-4533 |
150 x 165 lbs |
668 x 704 N |
| Apparent Opening Size |
ASTM D-4751 |
40 US Sieve |
0.425 mm |
| Permittivity |
ASTM D-4491 |
0.90 Sec-1 |
0.90 Sec-1 |
| Water Flow Rate |
ASTM D-4491 |
70 g/min/ft |
2,852 l/min/sm |
| Percent Open Area |
CW-02215 |
1% |
1% |
| UV Resistance @ 500 Hours |
ASTM D-4355 |
90% |
90% |
| ROLL SIZE |
AREA |
WEIGHT |
| 15' x 300' |
500 sys |
265 lbs |
Spec Interpretation
