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Mirafi Mirafi FW500 US Fabric Equivalent is US 350

US 350 is a woven filtration geotextile made of high-tenacity polypropylene yarns. US 350 resists ultraviolet and biological deterioration, rotting, naturally encountered basics and acids. Polypropylene is stable within a pH range of 2 to 13. US 350 meets the following M.A.R.V. values:

Mirafi® FW 500 geotextile is composed of high-tenacity monofilament and fibrillated polypropylene yarns, which are woven into a stable network such that the yarns retain their relative position. Mirafi® FW 500 geotextile is inert to biological degradation and resistant to 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 500 is provided for comparison purposes only.

Mirafi Mirafi FW500 Test Data

Property Test Method English Metric
Grab Tensile Strength ASTM D-4632 375 x 375 lbs 1,669 x 1,669 N
Elongation @ Break ASTM D-4632 15 x 8 % 15 x 8 %
Wide Width Elongation @ Break ASTM D-4595 15 x 7 % 15 x 7 %
CBR Puncture ASTM D-6241 1,200 lbs 5,340 N
Trapezoidal Tear ASTM D-4533 120 lbs 534 N
Apparent Opening Size(1,2) ASTM D-4751 50 US Sieve 0.297 mm
Permittivity(1) ASTM D-4491 0.2 Sec⁻¹ 0.2 Sec⁻¹
Water Flow Rate(1) ASTM D-4491 15 g/min/f² 611 L/min/m²
Percent Open Area CW-02215 3 % 3 %
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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