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Mirafi Mirafi FW403 US Fabric Equivalent is US 840

US 840 is a woven high-tenacity monofilament filtration geotextile made of 100% polypropylene yarns. US 840 resists ultraviolet and biological deterioration, rotting, naturally encountered basics and acids. Polypropylene is stable within a pH range of 2 to 13. This product's Percent Open Area of 6% gives it excellent hydraulic properties and high flow rates, while reducing the chances of clogging. US 840 meets the following M.A.R.V. values except where noted:

Mirafi® FW 403 geotextile is composed of high-tenacity monofilament polypropylene yarns, which are woven into a stable network such that the yarns retain their relative position. Mirafi® FW 403 geotextile 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® FW 403 is provided for comparison purposes only

Mirafi Mirafi FW403 Test Data

Property Test Method English Metric
Grab Tensile Strength ASTM D-4632 425 x 350 lbs 1,891 x 1,558 N
Elongation @ Break ASTM D-4632 21 % 21 %
CBR Puncture ASTM D-6241 1,340 lbs 5,963 N
Trapezoidal Tear ASTM D-4533 145 x 125 lbs 645 x 556 N
Apparent Opening Size(1,2) ASTM D-4751 40 US Sieve 0.425 mm
Permittivity(1) ASTM D-4491 0.96 Sec⁻¹ 0.96 Sec⁻¹
Water Flow Rate(1) ASTM D-4491 70 g/min/f² 2,852 L/min/m²
Percent Open Area CW-02215 6 % 6 %
UV Resistance @ 500 Hours ASTM D-4355 90 % 90 %
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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