Beltech Silt Fence Specifications English | Metric

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Style Test Method 939 /945 935 / 936 937 / 940 / 941 896 Typical Values
Widths (inches) 24 36 48 36 24 36 48 24 36 42
Length (yd) 100 100 100 100
Gross Weight (lb) 25 27 36 29 15 23 31 12 19 22
Area (yd2) 67 100 133 100 67 100 133 67 100 117
Composition Polypropylene Polypropylene Polypropylene Polypropylene
Grab Tensile (lbs.)
Warp x Fill
ASTM D-4632 125 x 101 / 125 x 105 120 x 100 125 x 101 /
125 x 105/
125 x 101
125 x 80
Elongation at Break (%)
Warp x Fill (MAX)
ASTM D-4632 15 x 10 40 x 40 15 x 10 20 x 15
Wide Width (lbs./in)
Warp x Fill
ASTM D-4595 NA NA NA 50 x 30
Elongation at Break (%)
Warp x Fill
ASTM D-4595 NA NA NA 10 x 10
Trap Tear (lbs.)
Warp x Fill
ASTM D-4533 50 x 50 / 55 x 55 N/A 50x50 / 50x50 / 55x55 N/A
Burst Strength (psi) ASTM D-3786 300 175 300 / 225 / 225 250
Puncture Strength (lbs.) ASTM D-4833 65 N/A 65 N/A
A.O.S. (Sieve)(MAX) ASTM D-4751 0.600 mm / 0.300 mm 0.600 mm 0.600 mm 0.840 mm
Permittivity (sec-1) ASTM D-4491 0.200 / 0.100 NA 0.200 / 0.100 /0.100 N/A
Coefficient of Permeability (cm/sec) ASTM D-4491 0.005 NA 0.010 N/A
Water Flow Rate (gpm/ft2) ASTM D-4491 25 / 7.5 25 15 / 20 / 20 N/A
UV Resistance@500 Hours (%) ASTM D-4355 &
ASTM D-4632
70 70 70 85
Filter Efficiency (%) VA DOT VTM-51 -- -- 75 --
Slurry Flow Rate (gpm/ft2) VA DOT VTM-51 -- -- 0.3 -
AASHTO-M-288-NTPEP Tested -- -- Yes --
Color Black / Black+tape Grey / Orange Black/Black/Orange Black
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