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US 640

US 640

Woven Filtration

US 640 is a woven monofilament filtration geotextile made of 100% high-tenacity polypropylene yarns. US 640 resists ultraviolet and biological deterioration, rotting, naturally encountered basics and acids. Polypropylene is stable within a pH range of 2 to 13. US 640 has a Percent Open Area of 6% and resists clogging. US 640 meets the following M.A.R.V. values except where noted:

Detailed Overview
Drop in Specs
Property Test Method English Metric
Grab Tensile Strength ASTM D-4632 350 x 200 lbs 1,558 x 890 N
Elongation @ Break ASTM D-4632 15 % 15 %
CBR Puncture ASTM D-6241 800 lbs 3,560 N
Trapezoidal Tear ASTM D-4533 100 x 70 lbs 445 x 312 N
Apparent Opening Size(1,2) ASTM D-4751 40 US Sieve 0.425 mm
Permittivity(1) ASTM D-4491 0.5 Sec⁻¹ 0.5 Sec⁻¹
Water Flow Rate(1) ASTM D-4491 60 g/min/f² 2,460 L/min/m²
Percent Open Area CW-02215 6 % 6 %
UV Resistance @ 500 Hours ASTM D-4355 90 % 90 %
  • (1) At the time of manufacturing. Handling, storage, and shipping may change these properties.
  • (2) Maximum average roll value (MaxARV).
  • (3) Historical reference values. These properties are no longer recognized by ASTM or AASHTO for geosynthetics.

US 640 Shipping & Packaging Information

Size Diameter Width Weight Area Rolls per Trailer
6' x 300' 9" 6' 89 lbs 200 y² 488
12' x 300' 9" 12' 175 lbs 400 y² 250
This information is provided for reference only and is not intended as a warranty or guarantee. US Fabrics assumes no liability in connection with the use of this information.
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