Contact Us or call (800) 518-2290

Speak to a geotextile expert now!
We answer the phone!

Mirafi Mirafi FW700 US Fabric Equivalent is US 670

NTPEP APPROVED - GTX-2019-01-285. US 670 is a woven, monofilament filtration geotextile made of 100% high-tenacity polypropylene yarns. A Percent Open Area of 4 - 6%, gives it excellent hydraulic properties, while reducing the chances of clogging. US 670 resists ultraviolet and biological deterioration, rotting, naturally encountered basics and acids. Polypropylene is stable within a pH range of 2 to 13. US 670 will satisfy the requirements as outlined in AASHTO M-288-06 for Permanent Erosion Control & Subsurface Drainage Class 2 & 3 (>15% fines) and meets the following M.A.R.V. values except where noted:

Mirafi® FW 700 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 700 geotextile is inert to biological degradation and resists naturally encountered chemicals, alkalis, and acids. Mirafi® FW 700 meets AASHTO M288-06 Class 2 and 3 for <50% elongation and 15% to 50% and >50% fines for Subsurface Drainage and Permanenet Erosion Control. TenCate Geosynthetics Americas is accredited by a2La (The American Association for Laboratory Accreditation) and Geosynthetic Accreditation Institute – Laboratory Accreditation Program (GAI-LAP). This data sheet for Mirafi® FW 700 is provided for comparison purposes only.

Mirafi Mirafi FW700 Test Data

Property Test Method English Metric
Grab Tensile Strength ASTM D-4632 370 x 250 lbs 1,647 x 1,113 N
Elongation @ Break ASTM D-4632 15 % 15 %
CBR Puncture ASTM D-6241 950 lbs 4,228 N
Trapezoidal Tear ASTM D-4533 100 x 60 lbs 445 x 267 N
Apparent Opening Size(1,2) ASTM D-4751 70 US Sieve 0.21 mm
Permittivity(1) ASTM D-4491 0.28 Sec⁻¹ 0.28 Sec⁻¹
Water Flow Rate(1) ASTM D-4491 18 g/min/f² 733.4 L/min/m²
Percent Open Area CW-02215 4 - 6 % 4 - 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)
Need Help Writing Specifications?
Download our free Guide to Better Geotextile Specifying. ** UPDATED 2024 **
An Expert's Manual for Distributors
Download our free Distributor's Manual on Geosynthetics & Geotextiles. This 49 page manual is packed with useful tips and quick reference materials. ** UPDATED 2024 **
Contractor's Application Guide
Download our free Contractor's Guide for the most effective ways to use geosynthentics. ** UPDATED 2024 **

Product Data Sheets

Select Product

Find our Equivalent

Find USF Equivalent

Helpful Information

Select a Reference