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Filter Fabric - 3.5 ounce

DeWitt's 3.5 oz. and 6 oz. non-woven, needle punched Filter Fabric is used as soil stabilization and separation fabric.Filter Fabric can be used as a stabilizing force to prevent unwanted shifts or movements in excavated areas such as roads, sidewalks, patios, and embankments. This product is also excellent protection against damaging soil when placed around drainage pipes, retaining walls, and other buried or exposed fixtures.

Specifications:

• Grab Tensile (lbs) 90
• Elongation (%) 50
• Trapezoid Tear (lbs) 40
• Puncture (lbs) 55
• Mullen Burst (psi) 185
• Permittivity (sec-1) 1.6
• Flow (gpm/ft2) 120
• Permeability (cm/sec) .2
• A.O.S. (U.S. sieve no.) 70
• Ultra-Violet Stability (strength retained %) 500 hrs - 70
• Weight (oz/yd2) 3.5
• Thickness (mils) 50
• Polymer Composition -- Polypropylene