US 90NW

Nonwoven Geotextiles

US 90NW is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. US 90NW resists ultraviolet deterioration, rotting, biological degradation, naturally encountered basics and acids. Polypropylene is stable within a pH range of 2 to 13. US 90NW meets the following M.A.R.V. values except where noted:

Filtration
PROPERTY TEST METHOD ENGLISH METRIC
Weight - Typical ASTM D-5261 3.5 oz/sy 119 g/sm
Tensile Strength ASTM D-4632 90 lbs 401 N
Elongation @ Break ASTM D-4632 50% 50%
Mullen Burst* ASTM D-3786* 185 psi 1,275 kPa
Puncture Strength* ASTM D-4833* 55 lbs 245 N
CBR Puncture ASTM D-6241 265 lbs 1,179 N
Trapezoidal Tear ASTM D-4533 40 lbs 178 N
Apparent Opening Size ASTM D-4751 50 US Sieve 0.30 mm
Permittivity ASTM D-4491 2.00 Sec-1 2.00 Sec-1
Water Flow Rate ASTM D-4491 150 g/min/sf 6,095 l/min/sm
UV Resistance @ 500 Hours ASTM D-4355 70% 70%
ROLL SIZE AREA WEIGHT
12.5' x 360' 500 sys 130 lbs
15' x 360' 600 sys 155 lbs

* Historical averages (current values not available): Mullen Burst Strength ASTM D3786 is no longer recognized by ASTM D-35 on Geosynthetics as an acceptable test method. Puncture Strength ASTM D4833 is not recognized by AASHTO M288 and has been replaced with CBR Puncture ASTM D6241.