US 40SF is a nonwoven, spunbonded, continuous filament, polypropylene geotextile offering the consistent quality expected of spunbond geotextiles. 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 40SF meets the following M.A.R.V. values except where noted:
| PROPERTY |
TEST METHOD |
ENGLISH |
METRIC |
| Tensile Strength |
ASTM D-4632 |
130 lbs |
578 N |
| Elongation @ Break |
ASTM D-4632 |
50% |
50% |
| Mullen Burst |
ASTM D-3786 |
140 psi |
965 kPa |
| Puncture Strength |
ASTM D-4833 |
41 lbs |
182 N |
| Trapezoidal Tear |
ASTM D-4533 |
60 lbs |
267 N |
| Apparent Opening Size |
ASTM D-4751 |
70 US Sieve |
0.21 mm |
| Permittivity |
ASTM D-4491 |
0.8 Sec-1 |
0.8 Sec-1 |
| Permeability |
ASTM D-4491 |
0.04 cm/sec |
0.04 cm/sec |
| Water Flow Rate |
ASTM D-4491 |
60 g/min/sf |
2,445 l/min/sm |
| UV Resistance @ 500 Hours |
ASTM D-4355 |
70% |
70% |
| ROLL SIZE |
AREA |
WEIGHT |
| 12.5' x 300' |
417 sys |
120 lbs |
Spec Interpretation