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Mirafi Mirafi 170N US Fabric Equivalent is US 180NW

NTPEP APPROVED - GTX-2019-01-297. US 180NW is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. US 180NW resists ultraviolet and biological deterioration, rotting, naturally encountered basics and acids. Polypropylene is stable within a pH range of 2 to 13. US 180NW meets the following M.A.R.V. values except where noted:

Mirafi® 170N is a needlepunched nonwoven geotextile composed of polypropylene fibers, which are formed into a stable network such that the fibers retain their relative position. Mirafi® 170N is inert to biological degradation and resists naturally encountered chemicals, alkalis, and acids. TenCate Geosynthetics Americas Laboratories are accredited by Geosynthetic Accreditation Institute – Laboratory Accreditation Program (GAI-LAP). NTPEP Listed. This data sheet for Mirafi® 170N is provided for comparison purposes only.

Mirafi Mirafi 170N Test Data

Property Test Method English Metric
WeightTypical ASTM D-5261 7 oz/y² 237.3 g/m²
Grab Tensile Strength ASTM D-4632 180 lbs 801 N
Elongation @ Break ASTM D-4632 50 % 50 %
CBR Puncture ASTM D-6241 450 lbs 2,003 N
Trapezoidal Tear ASTM D-4533 75 lbs 334 N
Apparent Opening Size(1,2) ASTM D-4751 70 US Sieve 0.21 mm
Permittivity(1) ASTM D-4491 1.4 Sec⁻¹ 1.4 Sec⁻¹
Permittivity(1) ASTM D-4491 1.4 Sec⁻¹ 1.4 Sec⁻¹
Water Flow Rate(1) ASTM D-4491 105 g/min/f² 4,278 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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