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Propex Geotex 401 US Fabric Equivalent is US 120NW

NTPEP APPROVED - GTX-2019-01-295. US 120NW is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. US 120NW resists ultraviolet and biological deterioration, rotting, naturally encountered basics and acids. Polypropylene is stable within a pH range of 2 to 13. US 120NW will satisfy the requirements as outlined in AASHTO M-288-06 for Class 3 applications and meets the following M.A.R.V. values except where noted:

Geotex® 401 is a polypropylene, staple fiber, needlepunched nonwoven geotextile produced by Propex®, and will meet the following Minimum Average Roll Values (MARV) when tested in accordance with the methods listed below. The fibers are needled to form a stable network that retains dimensional stability relative to each other. The geotextile is resistant to ultraviolet degradation and to biological and chemical environments normally found in soils. Geotex® 401 conforms to the property values listed below. Propex® performs internal Manufacturing Quality Control (MQC) tests that have been accredited by the Geosynthetic Accreditation Institute – Laboratory Accreditation Program (GAI-LAP). This product is NTPEP approved for AASHTO standards. This data sheet for Geotex® 401 is provided for comparison purposes only.

Propex Geotex 401 Test Data

Property Test Method English Metric
Grab Tensile Strength ASTM D-4632 120 lbs 534 N
Elongation @ Break ASTM D-4632 50 % 50 %
CBR Puncture ASTM D-6241 310 lbs 1,380 N
Trapezoidal Tear ASTM D-4533 50 lbs 223 N
Apparent Opening Size(1,2) ASTM D-4751 70 US Sieve 0.21 mm
Permittivity(1) ASTM D-4491 1.7 Sec⁻¹ 1.7 Sec⁻¹
Water Flow Rate(1) ASTM D-4491 140 g/min/f² 5,689 L/min/m²
UV Resistance @ 500 Hours ASTM D-4355 70 % 70 %
The supplied information is provided as a service to our customers under "Descriptive Fair Use" to show the relationship between our products and the listed manufacturer's products. All values are published on the manufacturer's website per the date listed below. Products are compared using the properties and test methods on US Fabrics' published, website data sheets. As such, not all properties and test methods may be included in this comparison. US Fabrics, its website and products are neither endorsed, nor sponsored by, nor affiliated with the listed manufacturers. All products are registered trademarks of said manufacturers. US Fabrics aims to provide information that is accurate, however does not accept responsibility for any errors or omissions in the information provided on this page or incorporated into it by reference. Please refer to the manufacturer's most recent published data or website to verify accuracy. (1/2021)
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